Software Engineer - Blockchain Trading Systems

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 PythonHands-on experience with smart contracts and Solidity at an application level3–4+ years in crypto or DeFi-native rolesDeep understanding of decentralized exchanges and the current DeFi landscapeExperience building and maintaining public APIsUnderstanding of trading concepts, either practical or theoreticalAbility to run and maintain systems on cloud infrastructureBased in London or working remotely from anywhere in Europe Nice to have: Experience designing, writing, and deploying smart contractsOn-chain trading or strategy development experienceFamiliarity with ecosystems such as Solana, Sui, or CosmosExperience diagnosing performance, latency, or throughput issuesInterest in product design and user experience alongside engineering