Senior Full-Stack Software Engineer
ASAP
Contract: Location: Remote or hybrid, candidate must be based close to Brussels, Paris or London.
Vialma is a streaming service dedicated to music and the arts, creating unforgettable digital and multimedia experiences for our B2B clients and end users. Paris Opera, Orsay Museum, London Symphony Orchestra), as well as corporate brands and financial institutions across Europe, to help them connect with their audiences, increase revenue, and raise funds.
We build white-label streaming services and tailor-made playlists, taking care of music licensing, tech, and content management, so our partners can focus on what they do best. You’ll be joining a highly experienced, senior development team that’s passionate about clean, maintainable code and building impactful functionality. You’ll have the freedom to make high-impact technical decisions, contribute to a forward-thinking stack, and collaborate with pragmatic, friendly engineers who value both quality and velocity. We are looking for a Senior Full-Stack Software Engineer to work closely with the CTO and help evolve our multi-tenant B2B SaaS platform. You will work across frontend and backend, building features, investigating technical issues, improving the scalability, reliability, and performance of the system as new features and clients are added. You will also play an important role in helping the team adopt AI tools in their development workflows, acting as an AI champion and encouraging practical ways to improve productivity and engineering practices.
The ideal candidate is a strong generalist engineer with experience building and maintaining SaaS platforms. You are comfortable working with technologies such as React, Next.js, TypeScript, and PHP and enjoy taking ownership of technical challenges and turning them into robust solutions. Hands-on Engineering
Ability to work as an independent contributor, take ownership of a project, and deliver it end-to-end.
Actively contribute to day-to-day development work, including implementing features, fixing bugs, and addressing technical tickets across the codebase.
Support the team in navigating complex areas of the system and resolving production issues.
Performance, Accessibility & Quality
Monitor and improve the performance and reliability of the platform, including frontend performance, backend performance, and infrastructure efficiency.
Define and maintain strong testing practices across the codebase, including unit, integration, and end-to-end tests, to ensure system reliability and prevent regressions.
Support the CTO in designing and evolving our product architecture across the frontend, backend, and infrastructure.
Contribute to improving the development workflow, tooling, and CI/CD processes.
Stay current with modern engineering practices and propose pragmatic improvements to our architecture, stack, and workflows.
Support the CTO with code reviews, technical decision-making, release management, and proposing testing strategies.
Act as an AI champion and support the team in integrating AI tools into their development workflows.
Full-Stack Engineering
~6+ years experience as a software engineer working on production systems.
~ Strong full-stack development experience
~ Understanding of software architecture and infrastructure.
~ Professional proficiency in English (written and spoken), with the ability to communicate clearly in a distributed engineering team.
Generally speaking, you have a proven ability to leverage AI tools in development workflows and you are capable of designing the process, tools and methods in order to use AI safely and ethically.
Backend & Platform Experience building backend systems and APIs using technologies such as:
PHP
Frontend Solid experience building modern web applications using technologies such as:
js
Modern CSS approaches (CSS Modules, Tailwind, CSS-in-JS, etc.)
Integrating frontend applications with backend APIs
Engineering Practices
Experience maintaining code quality in a team environment (code reviews, standards, testing).
Familiarity with testing practices (unit, integration, and end-to-end tests).
Experience working with modern development workflows and CI/CD pipelines.
Experience with video/audio players, streaming UIs, or media-rich applications.
Experience working with cloud infrastructure, including AWS (ECS, EKS, CloudFunctions, Networking, DevSecOps)
Knowledge of product analytics or experimentation (tracking, A/B testing)
Experience or interest in mentoring a small team of developers.
Professional proficiency in French.
If you are a hands-on full-stack engineer who enjoys solving complex technical problems, improving systems, and delivering features end-to-end, we would love to hear from you.
If you want to combine your engineering skills with a love for culture and streaming technology, this is the place for you.
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