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

About the Role:

We’re seeking a Senior SIP/VoIP Engineer to design, operate, and enhance our global enterprise voice systems. You’ll play a hands-on role supporting carrier-grade voice infrastructure, ensuring call quality and uptime, and driving operational excellence. This position is ideal for someone who is fluent in SIP technologies, enjoys troubleshooting complex call flows, and thrives in collaborative, cross-functional environments.

Your key responsibilities:

• Support and maintain voice infrastructure, including SBCs, policy servers, and voice gateways

• Troubleshoot SIP signaling and call flow issues across global platforms

• Participate in an on-call rotation and respond to high-severity incidents as needed

• Work closely with DevOps, Cloud, Network, and Security teams to ensure reliable and secure service delivery

• Partner with vendors for platform updates, tuning, and escalations

• Implement and refine monitoring, alerting, and automation to improve operational efficiency

• Contribute to the documentation, design, and continuous improvement of the voice environment

What you'll bring

Required:

• 7-10+ years of experience in voice engineering, operations or telecom infrastructure

• Strong understanding of SIP stack architecture, call setup and troubleshooting methodologies

• Hands-on experience with SBCs and policy servers (Ribbon experience required)

• Familiarity with voice routing, QoS, and integration with cloud and on-prem systems

• Experience supporting 24x7 operations, on-call support, and incident management

• Knowledge of cloud environments (AWS, Azure) and security best practices

• Excellent problem-solving skills and communication abilities for working with distributed teams

Experience we consider a plus:

• Experience automating or scripting voice operations workflows

• Familiarity with observability tools (Grafana)

Why this role matters:

We are looking for Software Engineers to work in the Call Center as a Service (CCaaS) Technology Team where you will be working on a global, multi-tenant, real-time service, with thousands of concurrent users. Your focus will be on developing the platform that directly enables and supports contact centre agents.

Your key responsibilities:

• Contribute to product improvement beyond code implementation by actively caring about the product and its users
• Create a performant, secure, scalable service that our customers will rave about
• Continuously improve and automate the monitoring and deployment of our cloud service

What you'll bring

Required:

• Bachelor’s degree in Computer Science, Electrical Engineering or related field/ or relevant experience
• Excellent communication skills, including writing, speaking and listening to effectively communicate with technical and non technical people
• 2+ years of relevant experience building Front End Applications
• Experience with TypeScript/JavaScript frameworks including Vue.js / React
• Knowledge about state management, e.g. experience with Pinia for centralized state
• Ability to build real-time applications; understanding of Web Sockets and REST API

Experience we consider a plus:

• 2+ years of relevant experience in full-stack development
• Knowledge of distributed system including messaging mechanism (Kafka / SNS)
• Experience with setting up and leveraging platform analytics, logging, and monitoring tools (e.g., Grafana, New Relic) to proactively identify and resolve production issues in real-time services.
• Ability to responsibly utilise AI tools to enhance development productivity and quality

How you’ll benefit:

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

#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

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 (iOS) 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.

As a Developer Advocate, 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., iOS 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 (Swift/ObjectiveC), and tutorials that demonstrate best practices for API implementation on Vonage's APIs on iOS.
• 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 iOS (Swift/ObjectiveC) 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

Vonage's 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:

Vonage is looking for a hands-on SDET (Mid–Senior Level) to strengthen automation engineering across our modern microservices-based communications platform.
This role is deeply technical and delivery-focused. You will design and implement scalable automation solutions across UI, API, performance, and mobile layers, ensuring quality is embedded throughout the SDLC.

As part of the QA Centre of Excellence (QA COE), you will collaborate with engineering squads to build reliable, CI/CD-ready automation frameworks and promote best practices in BDD, microservices testing, and observability.

Your key responsibilities:

What you'll bring

Required:

• 5–8 years of experience in automation engineering or SDET roles.
• Strong hands-on experience with: Playwright (TypeScript), API automation (REST/GraphQL) and BDD frameworks (Cucumber/Gherkin)
• Experience working within AWS-based environments.
• Strong understanding of distributed systems, microservices testing.
• Experience integrating automation into CI/CD pipelines.
• Working knowledge of performance testing with K6.
• Strong coding, debugging, and analytical skills.
• Experience collaborating within cross-functional Agile teams.

Experience we consider a plus:

• Experience with Docker, Kubernetes, or EKS.
• Familiarity with contract testing tools.
• Exposure to telecom or communications platforms.
• Mobile automation experience with Appium.
• Experience contributing to shared, cross-team automation frameworks.

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-KS

About the role

As a Senior Fullstack Developer, you will play a key role in the design, development, and maintenance of our web applications using ReactJS and .NET. You will be responsible for driving technical decisions, mentoring team members, and ensuring the architectural integrity of our solutions. This role requires deep technical expertise, strong problem-solving skills, and the ability to work across teams to deliver high-impact solutions. 

This role is ideal for someone who thrives in a fast-paced environment, enjoys mentoring others, and takes initiative in driving technical excellence.

Salary range for this role: 15,500- 21,000 PLN gross/ month
This role is based in Wroclaw.

What will you be doing?

• Design, develop, and maintain scalable web applications using React and .NET.
• Lead technical discussions and contribute to architectural decisions.
• Optimize web applications for performance, scalability, and security.
• Mentor and support junior developers, fostering a culture of learning and growth.
• Collaborate with cross-functional teams, including Product, UX/UI, and DevOps, to drive innovation and best practices.
• Conduct and oversee code reviews, ensuring adherence to best practices and high-quality standards.
• Troubleshoot and resolve complex issues across the full stack.
• Stay updated with industry trends and proactively introduce improvements.

What are we looking for?

• 5+ years of experience in web application development with React and .NET (in total).
• Deep understanding of JavaScript (ES6+), TypeScript, and modern front-end frameworks.
• Strong expertise in designing and integrating RESTful APIs.
• Proven experience in architectural decision-making and system design.
• Experience with source control systems and branching strategies (e.g., Git).
• Proficiency in testing frameworks such as Jest, React Testing Library, or Playwright.
• Strong ability to communicate complex technical concepts to both technical and non-technical stakeholders.
• Self-driven with a proactive approach to problem-solving.

What will make you stand out?

• Bachelor's degree in Computer Science or a related field.
• Experience with AWS services and cloud architecture.
• Knowledge of modern build tools and deployment strategies.
• Familiarity with DevOps practices and CI/CD pipelines.

Tech Stack

• React, JavaScript (ES6+), TypeScript
• C# .Net
• Amazon Web Services
• SQL Server

What do we offer?

About the role

As a Senior Fullstack Developer, you will play a key role in the design, development, and maintenance of our web applications using ReactJS and .NET. You will be responsible for driving technical decisions, mentoring team members, and ensuring the architectural integrity of our solutions. This role requires deep technical expertise, strong problem-solving skills, and the ability to work across teams to deliver high-impact solutions. 

This role is ideal for someone who thrives in a fast-paced environment, enjoys mentoring others, and takes initiative in driving technical excellence.

Salary range for this role: 15,500- 21,000 PLN gross/ month
This role is based in Wroclaw.

What will you be doing?

• Design, develop, and maintain scalable web applications using React and .NET.
• Lead technical discussions and contribute to architectural decisions.
• Optimize web applications for performance, scalability, and security.
• Mentor and support junior developers, fostering a culture of learning and growth.
• Collaborate with cross-functional teams, including Product, UX/UI, and DevOps, to drive innovation and best practices.
• Conduct and oversee code reviews, ensuring adherence to best practices and high-quality standards.
• Troubleshoot and resolve complex issues across the full stack.
• Stay updated with industry trends and proactively introduce improvements.

What are we looking for?

• 5+ years of experience in web application development with React and .NET (in total).
• Deep understanding of JavaScript (ES6+), TypeScript, and modern front-end frameworks.
• Strong expertise in designing and integrating RESTful APIs.
• Proven experience in architectural decision-making and system design.
• Experience with source control systems and branching strategies (e.g., Git).
• Proficiency in testing frameworks such as Jest, React Testing Library, or Playwright.
• Strong ability to communicate complex technical concepts to both technical and non-technical stakeholders.
• Self-driven with a proactive approach to problem-solving.

What will make you stand out?

• Bachelor's degree in Computer Science or a related field.
• Experience with AWS services and cloud architecture.
• Knowledge of modern build tools and deployment strategies.
• Familiarity with DevOps practices and CI/CD pipelines.

Tech Stack

• React, JavaScript (ES6+), TypeScript
• C# .Net
• Amazon Web Services
• SQL Server

What do we offer?