Full Stack Software Engineer (Web)
Company
Vonage
Date Posted
27-08-2025
Location
Madrid, Community of Madrid, Spain
We are looking for a Full Stack Engineer in Web to join our Video Solutions Engineering team to develop and explore new ways to further enhance, showcase and integrate the Vonage Video Platform, our WebRTC-compliant Communications PaaS.
You will play a key role in shaping and advancing the roadmap to improve the developer experience for our video APIs, making them more accessible, intuitive, and tailored to the needs of our customers' developers. You'll contribute to a range of initiatives—from enhancing our Video WebRTC SDKs and APIs through their use, to exploring cutting-edge media communication technologies, including AI, etc. Your responsibilities will span building comprehensive reference implementations for emerging use cases, contributing to API design, driving the development and expansion of our low-code/no-code solutions to ensure seamless adoption across diverse business verticals and creating practical user guides and sample applications.
Your key responsibilities:- Engage in hands-on full-stack software development across platforms, frontend and backend.
- Design and implement sample code, user guides, and complete reference applications to demonstrate and drive adoption of media communications and VoIP technologies within the Vonage Video Communications Platform in a range of use cases and verticals.
- Build user-friendly and responsive interfaces, ensuring an exceptional user experience across devices.
- Contribute to the evolution and maintenance of both proprietary and open-source software stacks.
- Collaborate closely with product managers to define product requirements for new features and offerings, while maintaining solution architecture, roadmap, and long-term vision.
- Contribute to our advanced endpoint SDK libraries and APIs for audio, video and signaling realtime communications with special emphasis on VoIP technology based on the use-case applications implementation learnings.
- Strong understanding of common challenges in cross-browser development.
- Proficiency in HTML5, JavaScript, TypeScript, CSS, and familiarity with browser engine APIs.
- Experience with modern JavaScript frameworks such as React, Angular, Vue.js, or similar.
- Expertise in backend development using Node.js, Java, or Go.
- Strong understanding of API design and RESTful principles.
- Strong user interface development skills and collaboration with UI/UX designers
- Familiarity with automated testing frameworks and platforms, and debugging tools for both client and server-side applications.
- Experience with CI/CD tools such as Jenkins, GitHub Actions, or similar.
- Proven ability to guide and collaborate with engineering teams—planning and delivering product or solution releases, and resolving issues efficiently.
Experience we consider a plus:
- Experience with CI/CD tools such as Jenkins, GitHub Actions, or similar.
- Familiarity with some native mobile development using one or more of the following: C/C++, Java, Objective-C, Swift, or Kotlin (iOS and/or Android).
- Familiarity with media communication technologies such as H.264, VP8, OPUS, AAC, WebRTC, RTP/RTCP, STUN/TURN/ICE, VoIP, and SDP.
- Knowledge of WebAssembly, WebGL, and/or WebGPU.
- Understanding of AI frameworks or agents, and cloud technologies such as AWS, Kubernetes, Helm, and Docker.
LI-JM1
There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you.
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Who we are:
Vonage is a global cloud communications leader. And your talent will further help brands - such as Airbnb, Viber, WhatsApp, and Snapchat - accelerate their digital transformation through our fully programmable-based unified communications, contact center solutions, and communications APIs. Ready to innovate? Then join us today.
Note: The purpose of this profile is to provide a general summary of essential responsibilities for the position and is not meant as an exhaustive list. Assignments may differ for individuals within the same role based on business conditions, departmental need or geographic location.