DeFi Backend Engineer — Real-Time On-Chain & Risk

Fasanara; City Of London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A crypto investment firm in London is seeking a DeFi Developer to enhance its DeFi infrastructure. Responsibilities include developing systems for monitoring DeFi protocols, automating risk management, and mentoring team members. The ideal candidate has 5+ years in backend engineering with experience in deploying smart contracts and working with DeFi protocols. Attractive benefits include a competitive bonus scheme, health and dental coverage, and generous annual leave.

Benefits

Competitive bonus scheme

Bupa health & dental

Cycle to Work scheme

Enhanced pension

Generous annual leave

Enhanced parental leave

Regular team events

Team sport activities

Qualifications

• Proven experience deploying production smart contracts on EVM or Solana.
• Minimum 5 years of backend engineering experience with strongly typed server-side languages.
• Hands-on DeFi protocol experience, including deploying LP positions on AMMs.

Responsibilities

• Design and build systems for on-chain monitoring across multiple DeFi protocols.
• Develop automated risk management tools including real-time alerting.
• Integrate and automate interactions with DeFi protocols using robust transaction management.

Skills

EVM or Solana deployment

Backend engineering (Java, C++, Go, Rust, TypeScript, Kotlin, Python 3)

DeFi protocol experience (Uniswap, Curve, Balancer)

Web3 libraries knowledge (web3.js, ethers.js)

Docker and/or Kubernetes

Building and maintaining DeFi integrations

EVM internals understanding

Multi-chain environments experience

Financial systems familiarity

Real-time alerting systems knowledge

Job description

A crypto investment firm in London is seeking a DeFi Developer to enhance its DeFi infrastructure. Responsibilities include developing systems for monitoring DeFi protocols, automating risk management, and mentoring team members. The ideal candidate has 5+ years in backend engineering with experience in deploying smart contracts and working with DeFi protocols. Attractive benefits include a competitive bonus scheme, health and dental coverage, and generous annual leave.