DeFi Software Engineer

Fionics; Greater London; Sur place; GBP 90 000 - 130 000; Plein temps

Résumé du poste

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.

Responsabilités

• 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.

Connaissances

C++

Java

C#

Rust

Production systems

Description du poste

We're hiring DeFi Software Engineers for one of the leading DeFi trading operations in the world.

The team is small, technical, and operates at the top of the DeFi space. These are pure individual-contributor roles, with a genuine path toward trader/developer hybrid positions for those who want it.

What you'll do

• Build and ship production systems that power live DeFi trading
• Work on technically demanding problems in a fast-moving market
• Own your work end to end as a core member of a lean engineering team

What we're looking for

• Strong software engineering experience, ideally with production systems in a trading, fintech, or high-performance environment
• Proficiency in C++, Java, C#, Rust, or similar systems languages (this role does not use Python)
• A track record of shipping real systems, demonstrated through either professional experience or technical achievement
• Candidates currently within a short notice or non-compete period are well placed for this search
• Engineers from outside crypto (including top technology firms) are welcome where the engineering bar is met

Location

This role is fully on-site in London. The full team is based there. Remote arrangements are not available for this position.

Compensation

Competitive with the top of the market, commensurate with experience.