Do you get excited about building software that scales to millions of users? Are you the kind of engineer who doesn't just fix problems — but reshapes the way a team works? And does the idea of your code directly impacting the fitness experience of 4.7 million members across Europe sound like your kind of challenge? Then keep reading.
At Basic-Fit, technology isn't a support function — it's how we grow. Our clubs run 24/7 thanks to the software and hardware we build in-house, and our members manage everything from freezing their membership to tracking their workouts through our app. That means what you build truly matters — at scale, across 6 countries, every single day.
This Is What Your Role Looks Like
As a Senior Backend Developer, you're not just shipping features off a roadmap. You're a pivotal engineer who shapes how the team works, raises the bar on quality, and helps define our long-term engineering direction. You'll be working in Tilburg alongside a talented mix of React (Native) developers, Node.js developers, Product Owners, Designers, QA Engineers — and even a Talent Coach dedicated to your personal growth.
Your responsibilities will be:
Your tech stack:
We build our applications with React, TypeScript, Tailwind, Storybook, Service Workers, Next.js and Playwright. Our APIs run on Nest.js, TypeScript, Prisma, Postgres, Redis, Azure EventGrid and Azure ServiceBus. To keep everything running, we use Heroku, Azure DevOps, New Relic, Akamai and GitHub Copilot.
Who Are You?
You're a problem solver at heart, with software as your weapon of choice. You understand that making real impact requires collaboration — you're not afraid to knock on doors to get things done. Scale and complexity don't intimidate you; they motivate you.
Additionally, we're looking for someone who:
At Basic-Fit, it's not just about work — it's about your growth. As a Senior Backend Developer, you'll have the freedom to make an impact and develop yourself in a dynamic, tech-forward environment.
What you can expect from us:
Basic-Fit is Europe's leader in the value-for-money fitness market, with more than 4.7 million members across 1,650+ clubs in 6 countries. We are continuously growing and improving — and technology is at the heart of how we do it. If you're looking for a place where you can make an impact while having fun at work, you've come to the right place!
What Makes Us Unique?
Ready for your next adventure? Click the Apply button, and we'll get in touch with you as soon as possible.
Questions? Feel free to contact Kerensa (Senior Corporate Recruiter) at kerensa.vanderlans@basic-fit.com
Founded in 2013, Basic-Fit is proud to have more than 4.4+ million members in more than 1,600+ clubs across the Netherlands, Belgium, Luxembourg, France, Spain, and Germany. Thanks to our fast growth we can call ourselves Europe’s value-for-money fitness leader.
Our Mission & Values
We believe that everyone deserves to be fit and feel great. We are on a mission to make fitness accessible to everyone and get people to love their fitness habits. Our values - Be, Accessible, Smart, Inclusive, Committed form our name "Basic" and are the core ID of our company.
Our Approach
We offer low-cost, high-value fitness solutions to make working out a basic of life everywhere at any given time. By using state-of-the-art technology we constantly update our products and make them scalable, affordable, and personalised. We are committed to making people love their fitness habits to help them lead healthier lives.
Our Proposition
Our memberships give access to our clubs and our Basic-Fit app. The app offers hundreds of training programmes, podcasts, virtual group lessons, nutritional advice and recipes, a personal online coaching service, and other practical information. With this product range, we give our members the opportunity to exercise everywhere and reach their long-term goals.
Go For It!
Our headquarters is located in Hoofddorp, just outside of Amsterdam. We’re a fast-growing, tech-driven company with an international mindset, always looking for proactive and down-to-earth people who want to contribute to our mission.
