Funxtion is a digital fitness content company on a mission to empower fitness operators with scalable, personalized workout experiences. From boutique gyms to global chains, we help our partners deliver engaging digital fitness content through our custom-built platforms and integrations.
We’re a tight-knit, easy-going team that works hard, moves fast, and loves what we do. Whether we’re designing better APIs or planning our next team hangout, we stay focused on impact without taking ourselves too seriously.
The RoleWe're looking for a Senior Backend Developer to help evolve the heart of our digital fitness platform. You’ll play a key role in architecting and building out backend services that deliver rich media, content, and user experiences — all powered by our custom CMS and Symfony-based platform. If you’re passionate about Domain-Driven Design, API development, and building systems that scale, we’d love to meet you.
What You Bring5+ years of backend development experience, ideally with a strong focus on Symfony and PHP.
Proven track record implementing DDD in real-world systems.
Deep understanding of API design and backend architecture.
Experience working with or maintaining a custom CMS.
Solid grasp of relational databases (MySQL/PostgreSQL), ORMs, and caching strategies.
A collaborative, proactive mindset — you enjoy working with others to solve big problems.
Comfortable working in a hybrid setup (our office is in Amsterdam)
Experience with Docker, CI/CD, or cloud infrastructure (AWS, GCP, etc.)
Knowledge of fitness tech, media streaming, or content-heavy platforms.
A collaborative, fun team culture with space for growth and ownership
Flexible hybrid working (work from home + office)
Impactful work — your code helps people around the world stay active and healthy
Competitive salary and benefits
€60000 - €80000 monthly