Senior Rust Developer - Fintech / Trading / Infrastructure

Eclipse IT Recruitment; Greater London; Hybrid; GBP 95,000 - 140,000; Full time

Benefits offered by this job

Bonus

Equity

Pension

Private healthcare

Job summary

Eclipse IT Recruitment is seeking a senior Rust developer to build low-latency, high-reliability systems for a fintech platform in London. The role offers hybrid work in London or UK remote options.

You will design and implement high-throughput services, own critical components, and drive performance optimizations. Collaboration with trading, market data, and core infra teams is essential.

Qualifications

• Senior-level production Rust experience including async Rust.
• Strong background in C++ or another systems language.
• Low-latency, networking and Linux performance tuning experience.
• Distributed systems experience in production.
• Cloud and containers (AWS or GCP, Kubernetes).
• Trading, exchange, crypto/blockchain or fintech experience a strong plus.

Responsibilities

• Design and build low-latency, high-throughput services in Rust.
• Own critical components such as trading, market data, payments or core infrastructure.
• Tune performance end to end: networking, concurrency and memory.
• Build distributed systems that stay correct and resilient under heavy load.
• Champion testing, observability and clean, maintainable code.
• Mentor other engineers and lead technical design discussions.

Skills

Rust

C/C++

Distributed systems

Low-latency networking

Linux performance

Tools

AWS

GCP

Kubernetes

PostgreSQL

gRPC

Job description

Location: London / hybrid or UK remote. Salary: Permanent: £95,000 - £140,000 + bonus and benefits. Contract: competitive day rate. Type: Permanent or contract.

Our client, a high-growth business in financial technology and digital assets, needs a senior Rust developer to build the low-latency, high-reliability systems at the heart of its platform.

What you'll do:

• Design and build low-latency, high-throughput services in Rust
• Own critical components such as trading, market data, payments or core infrastructure
• Tune performance end to end: networking, concurrency and memory
• Build distributed systems that stay correct and resilient under heavy load
• Champion testing, observability and clean, maintainable code
• Mentor other engineers and lead technical design discussions

What you'll bring:

• Senior-level experience building production systems in Rust, including async Rust
• A strong background in C++ or another systems language
• Low-latency, networking and Linux performance tuning experience
• Distributed systems experience in production
• Cloud and containers (AWS or GCP, Kubernetes)
• Trading, exchange, crypto/blockchain or fintech experience a strong plus
• PostgreSQL and gRPC welcome

Benefits:

• Bonus, equity, pension and private healthcare (permanent roles).