Senior Backend Developer (Bebop)
Wintermute
Software Engineering
London, UK · Remote
Posted on Oct 3, 2025
About Bebop:
We are building a decentralized trading platform designed to revolutionize the user experience in DeFi.
We believe DeFi represents the future of finance - enabling true innovation, economic freedom, and the creation of superior financial products. Our mission is to make high-performance trading tools with efficient execution accessible to everyone.
With user-centric design at the core of everything we do, we’re committed to building products that are not only powerful but also intuitive and enjoyable to use. Guided by best-in-class UX principles and deep industry expertise, we’re on a relentless path to become a leader in decentralized finance.
About you:
- You're deep in crypto — not just curious, obsessed.
- You're passionate about building the next generation of trading apps.
- You care about the product as much as the code.
- You take ownership, move fast, and know when to bring others in.
Requirements:
- Experience with building public APIs with Python, Rust or similar.
- Commanding ability of working with EVM smart contracts. From interacting to auditing.
- Strong understanding of decentralised exchanges and their current landscape.
- Grasp of financial concepts, especially in the context of trade and exchange.
- Ability to run and maintain web systems on cloud infrastructure.
Bonus points:
- Architecting, writing and deploying smart contracts.
- Experience diagnosing sophisticated performance issues.
- Experience with trading on chain in terms of strategies and sleuthing.
- Familiarity with other blockchain ecosystems such as Solana, Sui, Cosmos, etc.
How We Operate:
- We keep it simple and don't employ elaborate systems where it's not needed.
- We utilise AI strategically but understand when not to rely on it.
- We're always on the lookout for an edge — new tech, sharp ideas, smarter ways to do things.
- We push to prod every day and take full responsibility for their reliability.
- You'll work with experienced people across both finance, crypto and UX. You can challenge and learn from us.