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Harrington Starr Logo Harrington Starr · IT - Software Development

Defi Rust Developer

United Kingdom, London 200000.00 GBP / Year · Job Posted March 01, 2026
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Job Description

DeFi Rust Engineer – London - Salary negotiable Working with a high-calibre DeFi team building serious onchain trading infrastructure. Looking for a quant-minded engineer with a strong academic background (maths, physics, CS, engineering or similar) and a genuine obsession with onchain market mechanics. High ownership. Close collaboration with founders. Real impact on live DeFi infrastructure. London-based preferred.

Job Responsibility

  • Building and improving connectivity across AMMs, orderbooks and major CEXs
  • Optimising pricing and execution engines across L1/L2 environments
  • Designing intelligent liquidity strategies (JIT liquidity, dynamic range management)
  • Working on low-latency data ingestion, mempool flows and cross-rollup execution

Requirements

  • Advanced degree in a quantitative field
  • 2+ years strong Rust and Solidity
  • Experience building low-latency, high-throughput trading or onchain systems
  • Strong distributed systems knowledge
  • Comfortable across Linux, AWS, Docker, Git
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