See yourself at Twilio

Join the team as Twilio’s next Senior Software Engineer.

About the job

This position is needed to design, build, and optimize the core signalling infrastructure that powers real-time video communications for our customers. You will play a key role in ensuring high performance, reliability, and scalability of our video platform, enabling seamless and secure video experiences.

Responsibilities

In this role, you’ll:

• Design, implement, and maintain video signalling protocols and server components for real-time video calls (e.g., WebRTC, SIP, RTCP/RTP) in a highly scalable distributed system.
• Collaborate with cross-functional distributed teams and various stakeholders to deliver high-performance, low-latency media experiences.
• Ensure secure transmission and compliance with industry best practices (e.g., end-to-end encryption, privacy standards).
• Contribute to architectural decisions and code reviews, mentoring junior engineers as needed.
• Stay current with advancements in real-time communications and video technologies.
• Diagnose and resolve signalling and media operational issues, with opportunities to enhance existing troubleshooting processes and tools; build tools and analytics for call quality and debugging (e.g., log analysis, packet traces).
• Participate in the refinement of the team's ticket backlog, estimating work and follow Agile ceremonies. 

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• 5+ years experience in Java.
• Experience with complex distributed systems or real time systems
• Experience working in the cloud, AWS, Google, Azure
• Experience with multi-threading, concurrency and asynchronous software development
• Bachelors in Computer Science or equivalent experience
• Support Video services as a part of on-call duties

Desired:

• Bonus points for experience with one of the following technologies: Rust/C++,  WebRTC, Gstreamer.

Location

This role will be remote, and based in Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Software Engineer

About the job

This position is needed to help out the Edge Services team. The team that is responsible for the ingestion of Twilio’s Web Console and API traffic, and its supporting services. As part of the Edge Platform organization, we provide building blocks for all Twilio customers and engineers alike, with high-availability and low-latency requirements, in order to effectively enable over billions of inbound requests every day. We take great pride in wearing customer’s shoes and making decisions inclusively. It is extremely important for us to build services with exceptionally high uptime, availability, and success rates.

Responsibilities

In this role, you’ll:

• Design, implement, and maintain scalable, high-availability cloud infrastructure for Twilio’s microservices.
• Operate and maintain highly available services handling billions of weekly requests.
• Manage Infrastructure as Code (IaC) using tools like Terraform, ensuring operational best practices.
• Build and optimize CI/CD pipelines to support continuous integration and deployment.
• Monitor, troubleshoot, and ensure uptime of services through on-call rotations and incident response.
• Collaborate with cross-functional teams in agile ceremonies to drive technical excellence.
• Continuously improve cloud-based services, focusing on reliability, performance, and scalability.
• Research and improve the design and implementation of Twilio’s API infrastructure regularly.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 2+ years of experience in cloud or DevOps engineering, with proficiency in one or more programming languages, preferably Python or Java.
• Experience in architecting AWS cloud-based solutions, leveraging AWS services such as CloudFront, Lambda, S3, etc.
• Experience in any infrastructure as code using tools like Terraform.
• Familiarity with building and managing CI/CD pipelines (e.g., Buildkite), optimizing deployments, and maintaining high reliability through SLOs.
• Exposure to SLO tracking tools such as Datadog, and log management solutions like AWS CloudWatch, Athena, Grafana.
• Previous exposure to service-oriented architectures, microservices, or REST APIs is highly preferred.
• Hands-on experience with making changes in production systems for cloud-native database solutions and data pipelines.
• Ability to collaborate effectively within an agile, fast-paced team, understanding the full software development lifecycle.
• Strong decision-making skills, balancing between the pros and cons of various cloud technologies, with a focus on making practical, scalable choices.

Desired:

• Experience in Security such as WAF management, threat assessment.
• Experience building self service platform tools to improve developer experience and improve launch speed for internal teams.
• Proficient in Terraform

Location

 This role will be

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Senior Software Engineer.

About the job

This position is needed to build and operate the critical infrastructure that powers webhook delivery across all Twilio products. You'll design features, implement system improvements, and shape the future of this high-scale platform service that dispatches billions of webhooks to customers worldwide.

As a Backend Engineer, you'll develop Java services and manage Kubernetes infrastructure to deliver features and improvements to Twilio Webhooks. Engineering teams at Twilio operate as autonomous mini-startups, giving you ownership and impact. Learn more about Twilio Webhooks: https://www.twilio.com/docs/usage/webhooks

Responsibilities

In this role, you’ll:

• Design, implement, test rigorously and support microservices at scale in a collaborative environment. 
• Advocate for and implement operational best practices and serve on-call for the team’s services.
• Demonstrate quickness in learning and interest in teaching others. Take part in sprint and quarterly planning ceremonies.
• Contribute to a highly collaborative team, sharing your ideas and requesting feedback.
• Communicate complex ideas simply through verbal and written communication. 

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 5+ years of backend development experience, preferably with Java/Python/Go.
• Experience consuming and designing mature REST APIs.
• Previous experience working with Cloud technologies.
• Demonstrated cross-team communication and collaboration skills.
• Experience with engineering best practices in all phases of the software development life cycle.  
• Experience with or interest in designing and operating reliable, scalable systems.
• Computer Science degree or equivalent experience.
• Work experience on a customer-facing product 

Desired:

• Proven ability to work carefully and methodically on high-impact, mission-critical systems
• Experience deploying and operating services on Kubernetes.
• Experience building fault-tolerant backend services on top of AWS managed services (like databases, caches)
• Experience working with high traffic, highly scalable systems and complex code bases.
• Observability tooling (Prometheus, Grafana, Datadog, Rollbar…) 

Location 

This role will be remote and based in Spain or Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Sales Development Representative.

About the job

This position is needed to growing and developing pipeline for Twilio’s New Business and Strategic Sales teams. The Sales Development organization is a strategic component of Twilio’s overall go-to-market strategy.

As a team, we collaborate daily, push each other to do the best work of our lives, and bring an unparalleled level of energy and drive to our jobs. We’re looking for people who have a growth-oriented mindset and want to build their careers within Twilio. If this role excites you but you think you don’t check every box, we still encourage you to apply — we’re already looking forward to meeting you.

Responsibilities

In this role, you’ll:

• Break into new companies and markets using a multi-channel, value-based approach focused on building relationships and driving awareness of Twilio’s platform.
• Receive all the necessary training and insights to confidently begin contacting prospects through Twilio’s SDR onboarding experience.
• Achieve and exceed monthly goals for generating new business opportunities to fuel the sales pipeline.
• Become a master of Salesforce, Outreach, Sales Navigator, and other tools essential for efficient workflows.
• Research accounts to determine how Twilio’s solutions can provide value, then execute outbound dials, personalized emails, and social selling.
• Work in partnership with Account Executives to develop account strategies, territory plans, and successfully generate new business opportunities.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• Growth-oriented and ready to build toward future leadership or customer-facing roles
• Goal-oriented and biased toward action (our quota is the floor, not the ceiling!)
• Excited to go above and beyond to delight prospects through creative, strategic, highly personalized outreach
• Comfortable with change and energized by a fast-moving environment
• Enjoy variety and creativity in your day-to-day workflow
• Have a demonstrated ability to navigate challenges with resilience
• Embrace responsibility and enjoy partnering with Account Executives as part of a team

Desired:

• 1+ year of customer-facing experience 

Location

This role will be remote, and based in Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Staff Engineer, Offensive Security

About the job

The Staff Engineer acts as a Technical Lead. You don't just find bugs; you design complex attack chains that demonstrate systemic risk. You spend as much time writing custom code and researching new bypasses as you do executing tests.

Responsibilities

In this role, you will:

• Full-Stack Penetration Testing: Perform manual and automated testing of web applications, APIs, and mobile apps (iOS/Android).
• Internal/External Network Audits: Conduct network and cloud level assessments with various tooling
• Vulnerability Validation: Triage and validate reports from automated scanners or bug bounty hunters to eliminate false positives and escalate true positives
• AI/LLM Probing: Perform initial prompt injection and jailbreak tests on AI prototypes, services, and applications using established checklists (OWASP Top 10 for LLMs).
• Technical Reporting: Draft high-quality reports that detail the "path to compromise" with clear, reproducible steps for developers.
• Tool Maintenance: Manage and update the team's testing infrastructure (e.g., Burp Suite, and basic C2 listeners).
• Remediation Support: Provide direct technical guidance to engineering teams on how to patch vulnerabilities like XSS, SQLi, and IDOR.
• Adversary Emulation: Design and lead multi-week Red Team operations that mimic specific threat actors (APTs) to test the SIRT detection capabilities.
• Custom Exploit Development: Build custom payloads, droppers, and obfuscated scripts to bypass EDR/AV and maintain stealth.
• AI Red Teaming Architecture: Build automated testing frameworks for AI systems (e.g., using PyRIT, Promptfoo, or Garak) to test for models related to sensitive data leakage.
• Cloud & Infrastructure Attacks: Execute sophisticated attacks against AWS/Azure/K8s, focusing on IAM misconfigurations and container escapes.
• Purple Teaming: Collaborate with SIRT and Detection Engineering to tune SIEM alerts based on the techniques used during an engagement.
• Strategic Bug Bounty Management: Oversee the organization's bug bounty program, identifying trends in submissions to suggest broad architectural security changes.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• Experience: 7-10 years in offensive security, penetration testing, a high-volume bug bounty background, AppSec, or vulnerability exploitation, and track record of finding high/critical vulnerabilities in complex environments using pentesting commercial or custom tools.
• Concepts: Expert Knowledge and  solid understanding of the MITRE ATT&CK matrix and the OWASP Top 10 for web applications and top 10 for LLMs, post exploitation (lateral movement, persistence, data exfiltration) and Adversarial ML.
• Tooling: Proficient in OffSec popular tools like Burp Suite professional, Nmap, Metasploit, Wireshark etc... and AI security tools such as LangChain, TensorFlow for adversarial testing or, as well as use of C2 frameworks (Cobalt Strike, Sliver, Havoc) or similar tools
• Scripting and Coding: Ability to write functional scripts in Python or Bash to automate repetitive testing tasks and proficiency in coding and scripting like Python, C++, and scripting for creating custom offensive exploits that avoids signature-based detection.
• Certifications: Possession of advanced industry certifications such as OSCP, OSEP, OSWE, GXPN or similar training in OffSec tracks is highly desirable

Desired:

• Telecom expertise is preferred
• Excellent written and verbal communication skills.
• Ability to influence and build effective working relationships with all levels of the organization.
• Proficiency in multiple languages applicable to the region.

Location

This role will be Remote, and based in Ireland

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, approximately 15% travel is anticipated to help you connect in-person in a meaningful way.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Digital Sales Representative.

About the job

This position is needed to play a key role in further growing the business. As our new Digital Sales Representative, you will be responsible for net new customer acquisition, solution selling, and closing deals within our SMB and Mid Market accounts with companies primarily based in Europe. Your focus will be positioning our email solution, SendGrid, but you will be exposed to all aspects of Twilio’s Communications BU and able to sell most products and services.. 

Responsibilities

In this role, you’ll:

• Responsible for net new customer acquisition and driving new revenue for a specific territory while maintaining the highest levels of customer satisfaction
• Work with customers across all verticals to understand their business and technical requirements. You will need to understand the capabilities of Twilio’s communications API platform so that, together, you can design a solution for their specific use case needs
• Work diligently with cross-functional internal teams (Sales Development, Marketing, Product, Engineering, Support) to address customer requirements, advise on digital communication strategies, and help customers get started on the Twilio platform 
• Passionate about what you do, able to think outside of the box, and have world-class interpersonal and communication skills to make complex technical and financial details sound simple
• Ability to balance competing priorities and manage multiple projects/deals at the same time

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 5+ year of experience in a technical SaaS/CPaaS space, with a record of top performance
• Understanding of the cloud computing/communications business model and excitement for selling to a technical audience while utilizing a solution-oriented approach to selling
• Strong written and verbal communication skills, with the ability to effortlessly make complex technical and financial details sound simple
• Technical solutions selling experience and enjoys working with real customers-- listening to them and solving problems
• High adaptability, with comfort trying new things and building within a rapid-paced environment  

Location

This role will be remote, and based in Ireland

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Staff Engineer, AI Security.

About the job

As a Staff Engineer, AI Security on the AppSec team, you’ll lead autonomous defense for the AI lifecycle. Build multi-agent frameworks and secure gateways while integrating real-time security gates and identity standards. By mentoring Security and R&D to define the MLSecOps roadmap, you’ll ensure a "secure-by-default" future for agentic workflows and resilient AI innovation.

Responsibilities

In this role, you’ll:

• Serve as the primary subject matter expert for all AI and machine learning security initiatives across security and R&D.
• Design and manage AI gateways to provide a centralized control plane for authentication and authorization and rate limiting across all model and tool interactions.
• Build and maintain an autonomous security agentic framework that utilizes multi agent orchestration for end to end investigation and alert triage and remediation.
• Develop agentic identity models using OAuth 2.1 to propagate identity across trust boundaries and prevent the confused deputy problem.
• Help govern the AI augmented software development lifecycle by integrating real time security gates into the developer environment and CI/CD pipeline.
• Manage Agentic Security Solutions that secure AI lifecycle and manage AI workloads at runtime. 
• Author company wide AI security standards and implement these security checks across Twilio’s stack
• Implement human in the loop checkpoints and transactional safety protocols for high impact or destructive agentic actions.
• Partner with engineering leadership to set the long term roadmap for identity centric security and automated posture management.
• Act as a knowledge multiplier by mentoring security engineers and developing secure by default paved road templates for R&D teams 

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• 8+ years of experience in security engineering with at least 3 years focused on AI or machine learning security operations (MLSecOps).
• Expertise in orchestrating multi-agent systems with AWS Strands, LangGraph, and CrewAI, specializing in runtime isolation, PII redaction, and defending against indirect prompt injection in agentic environments.
• Hands-on experience with AI-specific frameworks (e.g., MITRE ATLAS, MAESTRO, OWASP Top 10 for LLMs/Agents/MCP) to threat model and defend against a wide spectrum of risks, including direct/indirect prompt injection, training data poisoning, tool poisoning, and data exfiltration within agentic workflows.
• Proficiency in securing end-to-end AI pipelines, from data ingestion and training to model deployment and monitoring.
• Strong communication skills to translate complex AI risks into actionable business logic for stakeholders. 

Desired:

• Hands-on experience in modern application security tooling including SAST and SCA and DAST with experience adapting these tools to catch AI specific vulnerabilities like indirect prompt injection. 
• Expertise in identity standards including OAuth 2.1 and PKCE.
• Experience with AI Red Teaming and conducting adversarial simulations against Large Language Models (LLMs) and agentic systems.
• Proficiency in at least one general programming language (Python, Go, etc) with experience in container security and workload isolation.
• Proven ability to operate with autonomy and drive high impact outcomes in ambiguous environments by identifying and executing on critical projects without predefined roadmaps or direct supervision.

Location

 This role will be remote based in Ireland 

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Software Engineer L1.

About the job

This position is needed to build and maintain a suite of mission critical services in our core messaging flow. 

As a Software Engineer in the Messaging Data Platform team, you will be working with product managers, architects and other engineers to deliver Messaging product features. Being on the critical path of one of the world's largest messaging platforms, the team's primary focus is around building scalable, reliable and low latency services. 

If you thrive in fast-moving environments, enjoy working on scalable systems, and are passionate about building high-performance backend services, this role is for you.

Responsibilities

In this role, you’ll:

• Design, develop, and maintain Messaging backend services
• Improve the reliability, scalability, and efficiency of Messaging backend systems.
• Collaborate with cross-functional teams including product, design, and infrastructure to deliver customer-focused solutions.
• Drive best practices in software engineering, including code reviews, testing, and deployment processes.
• Ensure high operational excellence by monitoring, troubleshooting, and maintaining always-on cloud services.
• Contribute to architectural discussions and technical roadmaps.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 1+ years of experience with Java frameworks such as Dropwizard, Spring, Hibernate, or similar, either in an academic or professional environment
• Strong Computer Science fundamentals not limited to data structures, algorithms, operating systems, and distributed systems
• Knowledge of processes and engineering best practices in all phases of the software development life cycle
• Readiness to participate in the on-call rotation
• Strong communication skills and desire to make an impact and thrive in small, collaborative, energetic teams
• Dedication to learn

Desired:

• Experience with cloud services (AWS preferred, Google, Azure etc.)
• Experience with microservice architecture
• Experience working with Agile/Scrum methodologies
• Experience with containerization and orchestration tools (e.g., Docker, Kubernetes)

Location

This role will be remote from Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Senior Tax Accountant.

About the job

Twilio is seeking a Senior Tax Accountant to join our International Tax team in Ireland. This position works as part of a global specialist International Tax Team. This role is designed for a technically strong tax professional who is also tech-forward. You will manage the traditional pillars of Irish and International Tax compliance, but you will be empowered to use AI and data automation tools to streamline workflows, reduce manual reconciliations, and focus on high-value strategic analysis. You will be a key player in ensuring our international entities stay compliant while helping the team scale during a period of significant growth and transformation.

Responsibilities

In this role, you’ll:

• Work as part of the International Tax team gathering, validating and compiling quantitative and qualitative tax information from multiple internal and/or external sources to ensure accuracy and completeness.
• Compliance & Statutory Reporting: Own the end-to-end preparation and filing of international corporate income tax returns and manage the tax components of local statutory financial statements and audits.
• Tax Provisioning (ASC 740): Assist with quarterly and annual global tax provisions for international entities, focusing on improving the accuracy of US GAAP to local GAAP reconciliations.
• Modernized Research: Utilize AI-driven research tools to monitor and summarize complex legislative changes (such as Pillar Two or local incentives) and draft technical memos.
• Process Automation: Identify opportunities to use low-code tools (such as Power Query) or AI assistants to automate data collection from ERPs (Oracle/NetSuite), reducing manual workpaper preparation.
• Cross-Functional Partnership: Act as a bridge between Tax and Finance, ensuring that tax data is clean, accessible, and ready for reporting.
•  Assist in monitoring country-level tax law updates, performing tax research, interpreting changes, and documenting the Company's tax positions.
• Support the development and maintenance of strong internal controls and governance over international income tax compliance and reporting.
• Contribute to continuous improvement initiatives across the international tax function, championing technology and automation to drive efficiency and scalability.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• 4+ years of tax experience in a Big 4 firm or a multinational corporate tax department. • Bachelor's degree in Accounting, Finance, or Law. Professional tax qualification (AITI/CTA) or Accounting qualification (ACA/ACCA) is highly preferred.
• Tech-forward mindset: experience using AI tools (e.g. ChatGPT/Claude) for research or data tools (Power Query/Alteryx) for data clean-up is a strong advantage.
• Strong proficiency in Microsoft Excel, with an interest in moving from manual spreadsheets toward automated pipelines.
•  Working knowledge of Oracle Fusion, or similar ERP/EPM systems.

Desired:

• Ability to explain complex tax concepts clearly to stakeholders in a fast-paced tech environment.
•  Ability to influence and build effective working relationships with all levels of the organization.
• Familiarity with Pillar Two / BEPS developments and their compliance implications.
• A desire to maintain and enhance Twilio's unique culture and an ongoing commitment to continuous improvement.

Location

This role will be remote, and based in Ireland

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Transfer Pricing Manager.

About the job

Twilio is looking for an Transfer Pricing  Manager  located in Ireland to join our global tax team.  As the Global Transfer Pricing Manager at Twilio, you will be an architect and guardian of our intercompany transaction framework. In a high-growth, cloud-communications environment, our value chain is complex—spanning R&D, digital infrastructure, and global sales. You will ensure that our global operations are compliant, tax-efficient, and aligned with the latest OECD guidelines and local regulations.

You aren't just a "compliance checker"; you are a strategic partner who understands how code, data, and communication APIs translate into taxable value across borders.  

 Our ideal candidate is a highly motivated and collaborative individual with transfer pricing experience and an eagerness to learn in an AI native environment . We aren’t just "filing forms"; we are building a scalable, AI-native tax infrastructure that supports a company moving at the speed of the cloud. You will have the autonomy to design processes from scratch—moving away from manual data entry toward high-value strategic analysis enabled by the latest AI tools.

Responsibilities

In this role, you’ll:

• Lead the charge in integrating AI and automation into our transfer pricing workflow. This includes automating benchmark searches, using AI for draft local file narratives, and building "self-service" intercompany models.
• Oversee the end-to-end global transfer pricing lifecycle, including the preparation and review of Master Files, Local Files, and Country-by-Country Reporting (CbCR).
• Lead the operational transfer pricing process—setting, monitoring, and adjusting intercompany prices throughout the year to ensure legal entities hit target profitability as well as ensure that the quarterly close calculations are robust and accurate.
• Document complex intercompany transactions and develop robust policies for the valuation of intangible assets (IP), know-how, and customer relationships.
• Manage global transfer pricing audits and controversy matters, acting as the primary point of contact for external advisors and tax authorities.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• Bachelor’s degree in Accounting, Economics, Finance, or Law. CPA, CTA, or JD/LLM in Tax is highly preferred. 
• 5+ years of dedicated transfer pricing experience in Big 4 public accounting or a high-growth US multinational corporation
• Working knowledge of Oracle Fusion or similar ERP/ EPM
• Must be proficient with Microsoft Excel/Office.

Desired:

• Familiarity with tax technology software & AI tools  is beneficial.

Location

 This role will be remote, and based in Ireland

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Staff Enterprise Security Engineer (AI Security)

About the job

As a Staff Enterprise Security Engineer, you will be a technical leader within the EntSec team, responsible for the foundational security posture of our organization. You will serve as an SME on the technical strategy and engineering execution for securing the AI ecosystem in our Enterprise, moving beyond policy into building the foundational "decision infrastructure" and technical guardrails that allow the enterprise to innovate with AI at scale.

You will also guide strategic direction and collaboration across enterprise security domains. You will need a background in security engineering and the cross-functional influence necessary to solve ambiguous, large-scale problems. Leveraging expertise in security assessments,  threat modeling, identity and access control principles, and data protection, you will architect and build preventative guardrails and mitigate new risks introduced by first and third-party AI agents in our Enterprise.

Responsibilities

In this role, you’ll:

• Design and implement secure reference architectures for Enterprise AI platforms that secures every Twilion’s engagement with them, ensuring data integrity, regulatory compliance, and resilience against evolving AI threats.
• Establish a definitive framework for AI vetting, driving the cultural and policy shifts needed to institutionalize this strategic mindset across the organization.
• Collaborate with cross functional partners to develop and set the long term roadmap for agentic AI identity and posture management, ensuring cohesive strategies for reducing risk from agentic AI use.
• Maintain and improve our enterprise security posture through high-quality code (Python, Go, or similar) and automated infrastructure management via IAC.
• Act as a technical mentor to junior engineers and a strategic advisor to leadership on the evolving AI landscape.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

Required:

• 7+ years of experience in security engineering or infrastructure security
• 2+ years of experience leading teams in a technical capacity or leading technical risk analysis in an enterprise environment.
• Expertise in cloud security (AWS, GCP) and container security (Kubernetes).
• Proven track record of designing and deploying complex security systems at scale.
• Strong proficiency in programming languages such as Python, Go, or Java.

Desired:

• Experience in building, deploying and reviewing automation for complex security workflows, including use of both AI-driven and traditional automation tools.
• Excellent communication skills with the ability to explain complex AI security risks to non-technical stakeholders.

Location

 This role will be remote, and based in Ireland

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the Voice & Video Postflight team as Twilio’s next Senior Software Engineer.

About the job

This position is needed to build and evolve next-generation distributed systems that empower our customers through high-performance APIs. You will be tasked with solving the complex challenges inherent in supporting the massive scale of Twilio Voice, ensuring our infrastructure remains robust as we expand our capabilities.

As a Software Engineer, you will focus on the intersection of large-scale API development and advanced data systems. You will work on designing and implementing low-latency, highly scalable architectures that leverage modern database technologies to provide customers with seamless access to large-scale data. 

Responsibilities

In this role, you’ll:

• Architect and implement next-generation distributed systems capable of handling the immense throughput and concurrency requirements of Twilio Voice.
• Design low-latency, high-scale APIs that empower customers with real-time access to their data and communications infrastructure.
• Optimize and manage distributed database environments, ensuring high availability and performance across high-volume data stores.
• Own the full development lifecycle, from initial system design and prototyping to the continuous operation of 24x7 production services.
• Collaborate across engineering teams to solve "hard" distributed systems problems, ensuring our API layer is both resilient and developer-friendly.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• A Master’s or Bachelor's degree and 5 + years of experience in software engineering, with a focus on backend or infrastructure systems.
• Expertise in Distributed Systems: A deep understanding of consistency models, partition tolerance, and the challenges of scaling stateful services.
• Core Languages: Proficiency in Java,Spring, Dropwizard and a strong grasp of building RESTful APIs at scale.
• Database Fundamentals: Practical experience working with and tuning PostgreSQL, Aurora or similar relational databases.
• Cloud Infrastructure: Familiarity with deploying and managing large-scale services on AWS or GCP.
• Operational Excellence: Comfortable operating in an agile environment with a "you build it, you run it" mentality.

Desired:

• OLAP & Big Data: Experience with ClickHouse or other column-oriented databases for high-performance analytical queries.
• Infrastructure as a code: Familiarity with tools such as Terraform, Harness for managing systems
• Data Pipelines: Prior exposure to technologies like Kafka or Spark for moving and processing data between distributed systems.

Location

This role will be based in our Dublin, Ireland office. 

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Senior Software Engineer.

About the job

This position is needed to is needed to add to our Voice Connectivity Trust team to enable Twilio to better support our customers using Voice in their solutions. As a Software Engineer on this team you will participate in all phases of the software development life cycle which includes requirements gathering with Product Managers, technical design, estimations, sprint planning, coding, testing, deployments and on-call support. This engineer will own, operate and maintain their teams’ services in a distributed production environment, employing Agile methodologies to continuously deliver value to customers.

Responsibilities

In this role, you’ll:

• Design and implement real-time services with high throughput and low latency requirements, verify, deploy and operationalize them
• Work closely with stakeholders to understand customer needs and, devise and deliver, simple, robust and scalable solutions
• Be comfortable expressing thoughts and ideas as detailed prose and use it as an effective means to collaborate with leads, architects and cross functional teams
• Embrace the challenge of scaling a complex distributed platform with points of presence globally, each one concerned with high availability, high reliability, high throughput, low latency, and media fidelity
• Figure out novel ways of solving customer problems for the Voice channel

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 5+ years of hands-on experience in a large scale, distributed applications environment on JVM based technologies 
• Experience building RESTful services, API design and event-driven architectures (Kafka, SQS)
• Understanding of CI/CD pipelines
• Hands on experience with cloud infrastructures such as AWS, GCP, OpenStack or Azure
• Experience with on-call rotations, incident response, monitoring/alerting tools (Prometheus, Datadog, Grafana)
• Excellent written communication skills - essential for effective AI prompting and for creating clear technical documentation (with or without AI assistance)
• Proven ability to critically evaluate AI-generated code for correctness, security, performance, and maintainability
• Strong Java fundamentals with the ability to architect, review, and debug code whether written by you, teammates, or AI agents
• Demonstrated proficiency working with AI coding assistants (Claude, GitHub Copilot, Cursor, or similar) - you should be able to describe your workflows and show examples 
• Bachelor's degree in Computer Science or a related engineering field
• Strong Computer Science fundamentals not limited to data structures, algorithms, operating systems, and distributed systems
• Able to work well in a team setting and both highly motivated and motivating

Desired:

• Can demonstrate how you effectively use AI to deliver value efficiently
• Experience scaling data tiers employing a variety of SQL/NoSQL database and caching technologies
• Hands on experience scaling production backend systems, with the proven ability to design and develop horizontally-scalable, resilient and performing-under-load systems
• Knowledge  and experience working with SIP protocol
• Knowledge and experience working with Stir/Shaken protocol 

Location

This role will be remote and based in Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Software Engineer.

About the job

This position is needed to add to our Voice Connectivity Trust team to enable Twilio to better support our customers using Voice in their solutions. As a Software Engineer on this team you will participate in all phases of the software development life cycle which includes requirements gathering with Product Managers, technical design, estimations, sprint planning, coding, testing, deployments and on-call support. This engineer will own, operate and maintain their teams’ services in a distributed production environment, employing Agile methodologies to continuously deliver value to customers.

Responsibilities

In this role, you’ll:

• Design and implement real-time services with high throughput and low latency requirements, verify, deploy and operationalize them
• Work closely with stakeholders to understand customer needs and, devise and deliver, simple, robust and scalable solutions
• Be comfortable expressing thoughts and ideas as detailed prose and use it as an effective means to collaborate with leads, architects and cross functional teams
• Embrace the challenge of scaling a complex distributed platform with points of presence globally, each one concerned with high availability, high reliability, high throughput, low latency, and media fidelity
• Figure out novel ways of solving customer problems for the Voice channel

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• Minimum 2+ years of hands-on experience in a large scale, distributed applications environment on JVM based technologies 
• Experience building RESTful services, API design and event-driven architectures (Kafka, SQS)
• Understanding of CI/CD pipelines
• Hands on experience with cloud infrastructures such as AWS, GCP, OpenStack or Azure
• Excellent written communication skills - essential for effective AI prompting and for creating clear technical documentation (with or without AI assistance)
• Proven ability to critically evaluate AI-generated code for correctness, security, performance, and maintainability
• Strong Java fundamentals with the ability to architect, review, and debug code whether written by you, teammates, or AI agents
• Demonstrated proficiency working with AI coding assistants (Claude, GitHub Copilot, Cursor, or similar) - you should be able to describe your workflows and show examples 
• Bachelor's degree in Computer Science or a related engineering field
• Strong Computer Science fundamentals not limited to data structures, algorithms, operating systems, and distributed systems
• Able to work well in a team setting and both highly motivated and motivating

Desired:

• Experience with on-call rotations, incident response, monitoring/alerting tools (Prometheus, Datadog, Grafana)
• Can demonstrate how you effectively use AI to deliver value efficiently
• Experience scaling data tiers employing a variety of SQL/NoSQL database and caching technologies
• Hands on experience scaling production backend systems, with the proven ability to design and develop horizontally-scalable, resilient and performing-under-load systems
• Knowledge  and experience working with SIP protocol
• Knowledge and experience working with Stir/Shaken protocol

Location

This role will be remote and based in Ireland.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

See yourself at Twilio

Join the team as Twilio’s next Reliability Architect.

About the job

As an Architect in SRE, you will drive the technical strategy, vision and outcomes for Twilio’s Reliability Engineering organization. You will define and lead solutions and initiatives that ensure Twilio products are reliable worldwide, and you will define standards and guide engineering teams on best practices for designing, building, and operating resilient systems. This role is pivotal to Twilio’s commitment to operational excellence, scalability, and pragmatic, large-scale systems design in the cloud.

Responsibilities

In this role, you’ll:

• Partner with senior technical leaders across Twilio to set and communicate the reliability strategy, translating business goals into measurable outcomes.
• Influence company-wide architectural decisions while balancing long-term vision with near-term and compliance needs.
• Lead the design, implementation, and operation of scalable solutions and paved roads that enable reliable, high-traffic services; 
• Influence company-wide architectural decisions to focus on availability, performance, resilience, and cost efficiency using Kubernetes, AWS, Terraform, and modern observability.
• Ensure integrity and quality across the service lifecycle; design fault-tolerant architectures, incident response, disaster recovery, and capacity/cost management.
• Collaborate with product and cross-functional teams to identify reliability risks and convert them into actionable designs, programs, and tooling.
• Establish and champion reliability practices and drive systemic improvements.
• Mentor and grow engineers and technical leaders
• Track and apply emerging SRE, cloud, and large-scale systems best practices; introduce pragmatic innovations that improve reliability at scale.

Qualifications 

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 15+ years of experience in Reliability Engineering, Software Engineering, DevOps roles with a focus on infrastructure, backend systems, and reliability, including as a principal/architect.
• Strong experience in driving strategic technical decisions and defining long-term technical vision.
• In-depth understanding of the role of Reliability Engineering in a large and diverse SaaS organization.
• Experience driving cross-org technical architecture outcomes.
• Knowledge of cloud architecture, devops practices, and large-scale systems design with microservices.
• Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent experience).
• Strong production experience, including operational management, scaling, partitioning strategies, and tuning for performance and reliability in high-scale environments.
• Hands-on experience with Kubernetes (e.g., EKS), deploying and managing stateful services, and cloud services like AWS.
• Proficiency in infrastructure-as-code tools such as Terraform or CloudFormation for automating infrastructure.
• Expertise in observability tools (e.g., Prometheus, Grafana, Datadog) for monitoring distributed systems and setting up alerting.
• Proficient in at least one programming language (e.g., Go, Python, Java) for building automation and tooling.
• Experience designing incident response processes, SLOs/SLIs, runbooks, and participating in on-call rotations.
• Experience running cross-functional post-incident reviews and driving improvements.
• Strong understanding of distributed systems principles, including consensus, durability, throughput, and availability tradeoffs.
• Proven track record of leading reliability improvements in data-intensive or mission-critical systems and collaborating with engineering teams.
• Excellent problem-solving, analytical, verbal, and written communication skills, with the ability to work in cross-functional and distributed environments.
• Demonstrated leadership in mentoring teams, influencing decisions, and balancing long-term objectives with short-term needs.
• Ability to influence and build effective working relationships with all levels of the organization.

Desired:

• Specific experience owning and operating large AWS footprints.
• Knowledge of Kubernetes architecture and concepts.
• Experience with data technologies like Apache Kafka, AWS MSK, or similar for reliable streaming.
• Passion for building reliable products, with prior projects in high-availability systems

Location

This role will be remote, and based in the East Coast, USA; or remote in Ireland, UK or Spain.

Travel 

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation

*Please note the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements. Compensation for candidates in other locations will be discussed during the hiring process. Please note that hiring for this role is not restricted to the locations listed above.

The estimated pay ranges for this role are as follows:

• Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $227,840.00 (Developing Minimum for Tier 3) - $284,800.00 (Mid for Tier 3).
• Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $241,200.00 (Developing Minimum for Tier 2) - $301,500.00 (Mid for Tier 2).
• Based in the San Francisco Bay area, California: $268,000.00 (Developing Minimum for Tier 1) - $335,000.00 (Mid for Tier 1).
• This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.