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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

Ideal candidates will have over 5 years of Front-End experience, strong skills in Solidity, and a passion for crypto projects.

Strong programming skills, preferably in languages like Solidity, Go, or C++.

A leading recruitment agency in the UK is looking for an experienced Backend Developer specializing in Solidity and Golang.