DeFi Core Systems Engineer — Trader/Dev Path (London)

Fionics; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Fionics seeks DeFi Software Engineers to build and ship production systems powering live DeFi trading in London. The team is small, technical, and highly capable, offering a path toward trader/developer hybrid roles. This is an on-site role with no remote options.

You will own your work end-to-end within a lean engineering team, solving high-performance problems in a fast-moving market. Candidates with production systems experience in fintech are especially welcome.

Qualifications

• Experience shipping real systems in trading/fintech/high-performance environments.
• Proven ability to ship end-to-end systems in production.
• Strong background in systems programming languages.

Responsibilities

• Build and ship production systems powering live DeFi trading.
• Tackle technically demanding problems in a fast-moving market.
• Own your work end-to-end as a core member of a lean team.

Skills

C++

Java

C#

Rust

Production systems

Job description

Fionics seeks DeFi Software Engineers to build and ship production systems powering live DeFi trading in London. The team is small, technical, and highly capable, offering a path toward trader/developer hybrid roles. This is an on-site role with no remote options.

You will own your work end-to-end within a lean engineering team, solving high-performance problems in a fast-moving market. Candidates with production systems experience in fintech are especially welcome.