La Fosse
Senior Software Engineer - Human Performance Data - Sports Tech - Remote-first
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Senior Software Engineer (Full-Stack but backend leaning)
I am hiring for a Senior Software Engineer (Full-Stack but backend leaning) for a Leading Sports Tech Company...
Elite athletes and coaches around the world run on their platform. Every training session, every match, every performance decision, the data behind it moves through systems your team will build.
They have built wearable and video telemetry hitting the platform in bursts, at real scale, under real pressure and a product team that ships hundreds of times a day.
The kind of engineer who thrives there:
- You've been the one in the room when a decision had to get made (not just implementing someone else's design, but owning the why X over Y).
- Their engineers thrive on autonomy and really take ownership in what they do.
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They are looking for:
- Genuine full-stack ownership: backend-leaning (C# is their core stack + Node.js), but equally comfortable shipping in React/TypeScript
- Real systems design experience: Event-driven architecture, Kafka/RabbitMQ or equivalent, at a scale you can actually quantify
- A track record at product companies people would recognise and respect, not just brand-name logos
- End-to-end ownership, from architecture through to the consequences of that architecture in production
- You mentor and set standards because you want engineers around you to be better, not because it's in a job spec
Their Stack
- C#/.NET or Node production depth (they are open to candidates from different backend backgrounds - Go, Rust, Java, TypeScript, Python)
- React, TypeScript
- AWS
- A mix of relational and non-relational data stores (PostgreSQL preferred).
- Rust is a genuine plus.
- Strong engineers from Go, Java or elsewhere are absolutely still in scope if the systems design instinct is there.
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What you get
- Full autonomy from day one
- Remote-first
- A cross-functional team that ships constantly and expects you to have opinions
- Work used by professional sports teams globally, at a scale most engineers never get to see in production
- Salary up to £100k + a great benefits package
- Chance to work on innovative products that play a key role in professional sport
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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