Software Engineer (Prop Trading Firm)

Skills

Job Specifications

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

About the Company

Radley James connects skilled professionals with meaningful opportunities in finance and tech to help clients gain an edge and talented individuals secure their ideal careers. We do this by providing honest, transparent, and professional recruitment services that match candidates' and clients' needs and aspirations. Following a rigorous and ethical process ensures quality and integrity at every step. We deliver on our promises and exceed expectations. Radley James is a financial and tech recruitment agency that offers va... Know more

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