Top global trading firm looking for a DeFi developer to join a small, highly technical trading team building high-performance systems that operate directly on decentralized markets.
The role is hands-on and focused on building production systems in Rust and Python, covering execution, on-chain integrations, and performance-critical components where latency and reliability are key. There is strong end-to-end ownership and clear visibility across the full trading stack.
They are looking for someone with a solid software engineering background and several years of experience (typically around 3–7). Experience with trading systems or DeFi is beneficial but not required.
What they’re looking for:
* Strong production experience with Rust and Python
* Hands-on experience with smart contracts and Solidity at an application level
* 3–4+ years in crypto or DeFi-native roles
* Deep understanding of decentralized exchanges and the current DeFi landscape
* Experience building and maintaining public APIs
* Understanding of trading concepts, either practical or theoretical
* Ability to run and maintain systems on cloud infrastructure
* Based in London or working remotely from anywhere in Europe
Nice to have:
* Experience designing, writing, and deploying smart contracts
* On-chain trading or strategy development experience
* Familiarity with ecosystems such as Solana, Sui, or Cosmos
* Experience diagnosing performance, latency, or throughput issues
* Interest in product design and user experience alongside engineering