Software Engineer (Prop Trading Firm)
Radley James is looking for a Software Engineer (Prop Trading Firm)
Job description
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
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- City of London
- Type of Contract
- Full-time jobs
- Published at
- 17-02-2026
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
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