Vonage Applications:

Our Applications business unit focuses on delivering a suite of advanced communication tools designed to enhance customer engagement. From cloud contact centers to feature-rich unified communications solutions, our Applications team is dedicated to providing businesses with the tools they need to streamline operations and improve customer experiences.

Why this role matters:

Join our growing group at Vonage, where we build cutting-edge web applications that power real-time communication experiences used by people every day. We're a diverse team passionate about technology and innovation — and a place where many of today's team leads and architects started out as developers, just like you.

Our team sits at the heart of Vonage's product, developing communication solutions deployed across multiple platforms. We build modern, responsive, high-performance front-end applications that handle real-time events at scale — work that directly shapes how businesses and their customers connect. What we do matters: every feature we ship improves the experience of thousands of users relying on Vonage to communicate.

We collaborate closely with designers, product managers, and engineers across the company, and we genuinely value creativity, collaboration, and having fun along the way.

Your key responsibilities:

You’ll lead front-end development for large-scale, real-time applications. You’ll design and implement intuitive, reliable, and performant user interfaces, working end-to-end with designers and backend teams. You’ll help define front-end best practices, mentor others, and drive technical decisions to keep our stack modern and maintainable.

Main tech stack:
Vue.js, JavaScript, TypeScript, Node.js, NestJS, Java, AWS, K8s, SQL

What you'll bring

Required:

• 4+ years of front-end or full-stack development experience with strong focus on modern JavaScript and TypeScript
  
  
• Expertise in modern web frameworks - preferably Vue
  
  
• Solid understanding of responsive design and performance optimization
  
  
• Experience leading projects and mentoring developers
  
  
• Experience with CI/CD pipelines for automated testing and deployment
  
  
• Strong collaboration and communication skills

Experience we consider a plus:

• Familiarity with backend technologies (Node.js, microservices, cloud) is a plus

How you’ll benefit:

• Discretionary Time Off
• Private Medical Healthcare
  
• Pension scheme
  
• Ericsson support line
  
• Hybrid work
  
• Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process
  #LI-KF1
  

Why this role matters

SDET (Software Development Engineers in Test) engineers perform and participate in application development and testing. We ensure continuous quality and testability of code throughout the software development lifecycle. We build quality within the software development process through automated testing suites, providing comprehensive support from code development to functionality. We live on the leading edge of system and component design, developing solutions that serve millions of users and businesses all over the world. 

The SDET Manager brings this to life by contributing to technology development and decision-making and guiding the work of SDET engineers and teams. This person will be coming in at a time of growth, not only within ‘a’ single team, but across Vonage API - therefore this person will need to be prepared and experienced to scale processes & teams.

What you'll do:

• Lead, mentor, and scale a high-performing team of SDETs to successfully deliver on ambitious product roadmaps on our Messaging API team
• Drive the development and execution of robust testing strategies for current and future product releases, ensuring comprehensive coverage of both functional and non-functional requirements.
• Treats AI assisted engineering as a core part of modern software practice, leveraging AI tools to enhance design, coding, testing, troubleshooting, and documentation, while guiding the team in adopting effective patterns and evolving best practices for AI enabled ways of working
• Collaborate closely with product and engineering teams to design, develop, and optimize advanced test automation frameworks and maintain scalable, reliable data sets.
• Establish, track, and analyze quality and effectiveness metrics to inform decision-making, support continuous improvement, and ensure the highest standards of software quality.
• Proactively diagnose technical issues, report defects, and propose implementable solutions to prevent recurrence and improve product stability.
• Contribute to and influence the development of long-term technical solutions and quality strategies for the wider engineering department.
• Foster a culture of quality by developing and promoting processes that educate and empower engineers at all levels to write higher quality, testable software.
• Assess, optimize, and elevate current testing procedures and processes for efficiency, scalability, and alignment with business needs.
• Define and communicate clear team success metrics, ensuring ongoing alignment with the engineering organization’s strategic vision.
• Work collaboratively with engineering teams and stakeholders to ensure testing requirements, features, and protocols are well understood, supported, and implemented.
• Partner with product and business managers to translate software requirements and technical architectures into actionable, measurable, and testable criteria.
• Drive the implementation of non-functional testing strategies—including scalability, redundancy, chaos engineering, and automation—in cloud and hybrid/cloud-native environments.

What you'll bring:

• Engineering leadership skills - experience leading a team of 10+ Engineers at least
• Advanced knowledge of Python programming language
• Comprehensive experience in developing and running a continuous integration and continuous deployment pipelines.
• Advanced knowledge of data structures, algorithms and distributed systems.
• Hands on experience with Docker or Kubernetes
• Outstanding interpersonal and communication skills.
• Bachelor’s Degree in Computer Science or related discipline, Masters would be advantageous
• Advanced understanding of and experience with writing, testing, debugging and perfecting code.
• Ability to:
• Navigate ambiguity.
• Present complex technical information in a clear and concise manner to a wide variety of audiences.
• Identify risks and threats in current and emerging technologies, procedures, features and operations.
• Manage multiple priorities with accuracy and efficiency while meeting deadlines.

Experience we consider a plus:

• Java, Springboot, Kotlin code experience
• WebRTC / Communication testing experience.
• Experience with CI/CD tools (Jenkins, GitHub Actions), Kafka, and Data Science frameworks.
• Experience with relational and NoSQL databases, and testing multi-tiered architectures.
• Familiarity with VoIP and Messaging protocols, real-time communication systems, and scalability testing.
• Identify and leverage opportunities to incorporate artificial intelligence and machine learning solutions to enhance testing effectiveness, automation, and product quality.

How you’ll benefit:

• Private Medical Insurance
• Group Pension Plan
• Life Insurance and Group Personal Accident
• Ericsson Care Line
• Unlimited Discretionary Time Off (DTO)
• Volunteer Time (VTO)

#LI-JB1

Why this role matters

SDET (Software Development Engineers in Test) engineers perform and participate in application development and testing. We ensure continuous quality and testability of code throughout the software development lifecycle. We build quality within the software development process through automated testing suites, providing comprehensive support from code development to functionality. We live on the leading edge of system and component design, developing solutions that serve millions of users and businesses all over the world. 

The SDET Manager brings this to life by contributing to technology development and decision-making and guiding the work of SDET engineers and teams. This person will be coming in at a time of growth, not only within ‘a’ single team, but across Vonage API - therefore this person will need to be prepared and experienced to scale processes & teams.

What you'll do:

• Lead, mentor, and scale a high-performing team of SDETs to successfully deliver on ambitious product roadmaps on our Messaging API team
• Drive the development and execution of robust testing strategies for current and future product releases, ensuring comprehensive coverage of both functional and non-functional requirements.
• Treats AI assisted engineering as a core part of modern software practice, leveraging AI tools to enhance design, coding, testing, troubleshooting, and documentation, while guiding the team in adopting effective patterns and evolving best practices for AI enabled ways of working
• Collaborate closely with product and engineering teams to design, develop, and optimize advanced test automation frameworks and maintain scalable, reliable data sets.
• Establish, track, and analyze quality and effectiveness metrics to inform decision-making, support continuous improvement, and ensure the highest standards of software quality.
• Proactively diagnose technical issues, report defects, and propose implementable solutions to prevent recurrence and improve product stability.
• Contribute to and influence the development of long-term technical solutions and quality strategies for the wider engineering department.
• Foster a culture of quality by developing and promoting processes that educate and empower engineers at all levels to write higher quality, testable software.
• Assess, optimize, and elevate current testing procedures and processes for efficiency, scalability, and alignment with business needs.
• Define and communicate clear team success metrics, ensuring ongoing alignment with the engineering organization’s strategic vision.
• Work collaboratively with engineering teams and stakeholders to ensure testing requirements, features, and protocols are well understood, supported, and implemented.
• Partner with product and business managers to translate software requirements and technical architectures into actionable, measurable, and testable criteria.
• Drive the implementation of non-functional testing strategies—including scalability, redundancy, chaos engineering, and automation—in cloud and hybrid/cloud-native environments.

What you'll bring:

• Engineering leadership skills - experience leading a team of 10+ Engineers at least
• Advanced knowledge of Python programming language
• Comprehensive experience in developing and running a continuous integration and continuous deployment pipelines.
• Advanced knowledge of data structures, algorithms and distributed systems.
• Hands on experience with Docker or Kubernetes
• Outstanding interpersonal and communication skills.
• Bachelor’s Degree in Computer Science or related discipline, Masters would be advantageous
• Advanced understanding of and experience with writing, testing, debugging and perfecting code.
• Ability to:
• Navigate ambiguity.
• Present complex technical information in a clear and concise manner to a wide variety of audiences.
• Identify risks and threats in current and emerging technologies, procedures, features and operations.
• Manage multiple priorities with accuracy and efficiency while meeting deadlines.

Experience we consider a plus:

• Java, Springboot, Kotlin code experience
• WebRTC / Communication testing experience.
• Experience with CI/CD tools (Jenkins, GitHub Actions), Kafka, and Data Science frameworks.
• Experience with relational and NoSQL databases, and testing multi-tiered architectures.
• Familiarity with VoIP and Messaging protocols, real-time communication systems, and scalability testing.
• Identify and leverage opportunities to incorporate artificial intelligence and machine learning solutions to enhance testing effectiveness, automation, and product quality.

How you’ll benefit:

• Private Medical Insurance
• Group Pension Plan
• Life Insurance and Group Personal Accident
• Ericsson Care Line
• Unlimited Discretionary Time Off (DTO)
• Volunteer Time (VTO)

#LI-JB1

Why this role matters:

We are looking for a Software Engineer to join our hybrid Java/Go development team. You will take a pivotal role in the development of a Go microservice that is critical to our Fraud Prevention Platform - responsible for handling and delivering fraud alerts to our customers in real time. This is a high-impact role at the heart of our fraud detection capabilities, where your work will directly protect Vonage customers at scale. 

We are a team that embraces the future: we have a strong and growing adoption of AI across our engineering workflows, and we actively leverage AI agents in our day-to-day work - from accelerating development cycles to enhancing fraud detection intelligence. If you are excited about working in an environment where AI is not a buzzword but a real part of how we build and operate, you will feel right at home.

Your key responsibilities:

• Play a pivotal role in developing Go microservices for our fraud alert delivery pipeline.
• Build high-throughput, low-latency applications to meet fraud detection use cases.
• Create scalable microservice that will help support our impressive growth
• Write efficient and scalable code in well-tested systems
• Collaborate with cross-functional teams to ensure seamless integration and functionality.
• Propose scalable, maintainable and cost-effective solutions
• Estimate the effort required to develop and implement new features
• Develop and execute effective testing strategies to ensure software quality and reliability
• Embed AI assisted engineering into daily practice to accelerate delivery and enhance outcomes
• Proactively adopt emerging AI capabilities to improve workflows and shares best practices with the team
  

What you'll bring

Required:

• Excellent software engineering skills in Go for backend services
• A strong focus on testing, with a customer-first mindset
• Experience with high throughput event-driven architectures, web services, and caching
• Willingness to learn and adapt to new technologies and programming languages
• AWS (RDS, EKS, S3, IAM, SQS, Lambda)
• Kafka, MySQL/PostgreSQL

Experience we consider a plus:

• Java
• Monitoring and observability experience
• Redis
• Practical experience in deploying code in a modern programming environment using tools such as Docker and Kubernetes

How you’ll benefit:

• Medical Insurance
• Glasses Reimbursement
• Life Insurance  - Allianz Family
• Kafeteria - My Benefit
• Ericsson Care Line
• Discretionary Time Off (DTO)
• Volunteer Time (VTO)
• Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process

#LI-YB1

Vonage Engineering Mission:

We embody the notion of what's next now! We envision, develop and manage technology to connect the world. Our team brings excellence, passion, creativity and curiosity to the job. We look at the business environment and technologies in new and challenging ways, striving to develop and deliver integrated whole-system solutions to meet our customers’ ever-changing needs.

Why this role matters:

The Engineering team at Vonage is a group of talented engineers working on complex challenges associated with high-performance distributed systems and processing large volumes of data in real time.
We are looking for an Engineering Manager to help evolve and scale our best-in-class SMS messaging platform. As we continue to introduce industry-leading features, our engineers work across an exciting mix of greenfield initiatives and enhancements to existing systems

Your key responsibilities:

• Build systems to add features across our messaging platform, which runs on Kubernetes and Nomad in AWS.
• Provide direction to a team of software engineers, creating scalable microservices that will help support our impressive growth.
• Work with product managers and customers to understand use cases and business requirements.
• Lead team members in the planning and delivery of product / solution releases.
• Assign, manage and perform project work, including scope, schedule, resource allocation and cost estimation.
• Ensure delivery of secure, high quality, well-tested and scalable software to meet customer and business requirements.
• Assist with maintenance and prioritization of the product development backlog.
• Ensure team activities align with and support broader organizational goals and objectives.
• Treats AI assisted engineering as a core part of modern software practice, leveraging AI tools to enhance design, coding, testing, troubleshooting, and documentation, while guiding the team in adopting effective patterns and evolving best practices for AI enabled ways of working

What you'll bring

• Engineering leadership skills, with the ability to navigate ambiguity.
• An excellent practical understanding of high performance, highly distributed computing.
• A strong focus on testing.
• Software engineering skills in Java.
• Strong interpersonal and communication skills.
• Ability to present complex technical information in a clear and concise manner to a wide variety of audiences.

How you’ll benefit:

• Unlimited Discretionary Time Off
• Private Medical Insurance with the option to add dependents at your own cost
• Multisport Gym Membership
• Educational Assistance Reimbursement Program
• Opportunity to be reimbursed for conferences, trainings, and other events consistent with the area of work aimed at personal development
• Three Paid Volunteer Days a Year
• Reimbursement for the costs of prescription glasses
• Maternity and Paternity Leave

Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process

#LI-YB1

Vonage Communications APIs 

As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This allows them to reach and engage customers on their preferred schedule and channel - including voice, video, and messaging. Think of a rideshare service instantly connecting with customers, hospital staff conducting remote monitoring, customers verifying their identity before completing a purchase, AI virtual agents servicing customers around the clock, and much more.

Why this role matters:

We’re looking for a Full Stack Software Engineer to join our Connectors Engineering team and help enhance Vonage Connectors Collection.
As part of the team, you’ll contribute to both new feature development and production improvements, with a strong focus on quality, fault tolerance, and performance. You’ll gain hands-on experience with real-time communications and event-driven systems. 
Our Engineers work on an exciting mix of both greenfield and existing projects, giving them an opportunity to explore new technologies. You will develop both frontend and backend solutions, take part in enhancing our range of connectors and services. You will collaborate with the other team members, product manager and other teams to deliver world-class products across multiple platforms. You will embed AI assisted engineering into daily practice to accelerate delivery and enhance outcomes. Also you will proactively adopt emerging AI capabilities to improve workflows and shares best practices with the team.

What you'll bring

Required:

• TypeScript / Java coding skills, willingness to learn other languages and environments.
• Strong backend experience - TypeScript / Java
• Strong frontend experience - pure HTML/TypeScript/CSS.
• Excellent debugging and problem solving skills.
• Experience with Cloud technologies such as AWS, Kubernetes, Docker.
• Experience with automated testing frameworks and platforms.
• Good understanding of algorithms, data structures, memory management, and concurrency.
• DB knowledge.
• Source management (Git) / Agile development techniques.
• Effective remote collaboration and communication skills.

Experience we consider a plus:

• Familiarity in API design and/or SDK development.
• HubSpot integrations.
• Salesforce experience

How you’ll benefit:

• Medical Insurance
• Glasses Reimbursement
• Life Insurance  - Allianz Family
• Kafeteria - My Benefit
• Ericsson Care Line
• Discretionary Time Off (DTO)
• Volunteer Time (VTO)
• Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process

#LI-YB1

What You Will Do

• Define and lead the performance engineering strategy across high-availability, cloud-native telecom platforms.
• Lead, train, and coordinate a distributed guild of SDETs across multiple feature teams, guiding them to build, maintain, and execute performance scripts (k6) within their fractional sprint capacity.
• Design, develop, and evolve scalable backend performance frameworks using k6, Python, Java, or TypeScript, focusing entirely on APIs, databases, and infrastructure.
• Implement and manage production traffic replay strategies (e.g., GoReplay) and complex multi-tenant test data generation to accurately recreate realistic production contention and load profiles.
• Own and drive performance, load, stress, endurance, scalability, and resilience testing, including chaos engineering practices (e.g., using AWS Fault Injection Simulator).
• Validate real-time communication systems, event-driven architectures (Kafka, RabbitMQ), and high-throughput distributed systems under production-like conditions.
• Integrate performance testing into CI/CD pipelines, enabling continuous performance validation, shift-left practices, and automated PR blocking for latency degradation.
• Leverage observability tooling (Grafana, CloudWatch, Coralogix, VictoriaMetrics, PMM) to monitor, analyse, and troubleshoot system performance.
• Establish performance benchmarks, SLAs, SLOs, and error budgets aligned with business and system requirements.
• Collaborate with architecture and data teams to identify bottlenecks, validate database architectures (e.g., MySQL, Tungsten), and present evidence-based investment proposals.
• Analyse and optimise performance across both legacy monolith systems (requiring integrated load testing) and modern microservices architectures.

What You Will Bring

• Proven experience mentoring and coordinating testing efforts across large, distributed engineering teams (e.g., conducting code reviews, guiding SDETs through framework adoption, and managing cross-team test schedules).
• Strong hands-on experience with AWS cloud services (EC2, ECS, RDS, API Gateway) with a focus on scalability and performance optimisation.
• Proven expertise in performance testing tools (specifically k6, along with JMeter or Gatling), including test design, execution, and analysis at scale.
• Hands-on experience with production traffic shadowing or replay tools (such as GoReplay).
• Deep experience testing distributed systems, message brokers (Kafka, RabbitMQ), microservices architectures, and high-volume, low-latency APIs.
• Solid backend programming and scripting skills in Python, Java, or TypeScript to build custom performance frameworks and tooling.
• Strong understanding of system design, concurrency, throughput, latency, and fault tolerance principles.
• Experience implementing performance testing within CI/CD pipelines (Jenkins, GitHub Actions) and enabling continuous performance feedback loops.
• Hands-on experience with observability and monitoring tools (Grafana, Coralogix, PMM) for performance analysis and diagnostics.
• Experience working within Agile environments and translating performance insights into actionable engineering outcomes.

Required

• Demonstrable hands-on experience in backend performance engineering and automation using Python, Java, or TypeScript.
• Proven track record of performance, scalability, and resilience testing in AWS-based cloud-native systems.
• Strong experience designing large-scale performance test strategies and leading QA/SDET teams to execute them.
• Deep understanding of API performance testing, integration testing, and system-level non-functional validation.
• Solid grasp of system architecture, distributed systems behaviour, and non-functional testing methodologies.
• Experience with observability, monitoring, and log analysis tools.
• Familiarity with RESTful APIs and event-driven systems.

Application Requirements

• Updated CV clearly demonstrating performance engineering leadership, cross-team coordination, AWS expertise, and backend automation frameworks.
• Summary of performance testing frameworks, tools (e.g., k6, GoReplay), and CI/CD methodologies implemented.
• Detailed examples of performance testing engagements (scale, environments, bottlenecks identified, business impact, improvements delivered).
• Evidence of driving performance strategy, mentoring QA/SDET teams, and influencing architecture.

#LI-KS1

Vonage Communications APIs: 

As an emerging leader in the $10B+ communications API market, we empower global brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This allows them to reach and engage customers on their preferred schedule and channel — including voice, video, and messaging. Think of a rideshare service instantly connecting with customers, hospital staff conducting remote monitoring, customers verifying their identity before completing a purchase, AI virtual agents servicing customers around the clock, and much more.

Why this role matters:

We're looking for a Developer Advocate (Android) to join the Vonage Developer Relations team and drive the successful adoption of our APIs on mobile platforms.

In this strategic role, you'll lead developer experience initiatives for our mobile platform, helping to create tools and resources that ensure users can quickly and painlessly build with our Video, Voice, and Network APIs. Your work will be crucial in helping developers leverage our video and voice APIs, and other APIs effectively, combining technical expertise with strategic insight to drive platform adoption and usage.

You will be the bridge between our engineering teams, product management, and the developer community, ensuring our mobile products and SDKs are accessible and effectively implemented. You'll focus on creating reference implementations (e.g., Android sample applications), developer resources that showcase the power and scalability of our platform, and migration tools while facilitating smooth transitions from legacy systems.

Your key responsibilities:

• Technical Content: Create and maintain comprehensive technical documentation, code samples (Kotlin/Java), and tutorials that demonstrate best practices for API implementation on Vonage's APIs on Android.
• Community Education: Host webinars, workshops, and hackathons to educate developers on building and scaling mobile-driven solutions.
• Documentation Tools: Develop and maintain tools that help keep API documentation current, including automated testing of code samples and integration examples.
• Product Feedback: Gather and analyze developer feedback to identify opportunities for tooling improvements and new automation solutions.
• Cross-team Collaboration: Work closely with Product, Engineering, and Support teams to ensure tooling aligns with platform capabilities and developer needs.

What you'll bring

Required:

• Strong software development experience with expertise in Android (Kotlin/Java) technologies.
• Proficiency in programming languages relevant to server-side development.
• Experience with API design and implementation.
• Strong technical writing and documentation skills.
• Excellent problem-solving and debugging skills.
• Strong communication skills and ability to work in a remote environment.

Experience we consider a plus:

• Previous Developer Experience, Developer Relations or Developer Advocacy experience.
• Understanding of WebRTC and real-time communication protocols.
• Proficiency in multiple programming languages commonly used for tooling and server-side development.
• Familiarity with cloud communication platforms (CPaaS), Network APIs, and Vonage APIs.
• Background in creating developer documentation and technical content.

How you’ll benefit:

• Unlimited Discretionary Time Off.
• Private Medical Insurance with the option to add dependents at your own cost.
• Multisport Gym Membership.
• Educational Assistance Reimbursement Program.
• Polish Language Classes for non-native speakers.
• Lunch and Learn Sessions.
• Opportunity to be reimbursed for conferences, trainings, and other events consistent with the area of work aimed at personal development.
• Three Paid Volunteer Days a Year.
• Reimbursement for the costs of prescription glasses.
• Maternity and Paternity Leave.

#LI-AR1

#LI-WW1

#LI-WW1