Staff Full-Stack Engineer (Rust/Java) – Remote EU

Owen Thomas | B Corp™; España; Remote; EUR 109,000 - 131,000; Full time

Benefits offered by this job

Fully remote (EU‑based)

Outside IR35

Job summary

Owen Thomas | B Corp™ is seeking a Senior Staff Full stack Engineer on a 12‑month contract. This fully remote EU‑based role centers on Rust and Java for backend, with React and Python as secondary stack.

The contract is Outside IR35 and pays £500-600 per day. You will help shape backend services, contribute to architectural decisions, and collaborate with frontend teams to deliver end‑to‑end features while maintaining performance and security.

Qualifications

• Senior‑level backend engineering experience in Java and/or Rust
• Strong understanding of scalable backend architecture, APIs, and distributed systems
• Experience working in cloud‑native environments
• Contractor mindset: able to onboard quickly, communicate clearly, and deliver value fast

Responsibilities

• Designing and building high‑performance backend services using Java and/or Rust
• Contributing to architectural decisions as the platform evolves toward more systems‑level and performance‑focused solutions
• Working alongside frontend engineers using React to deliver end‑to‑end features
• Supporting and integrating with existing services written in Ruby and Python
• Collaborating with product, platform, and infrastructure teams to scale critical systems
• Driving best practices around clean architecture, performance, reliability, and security

Skills

Java

Rust

React

Python

Job description

Owen Thomas | B Corp™ is seeking a Senior Staff Full stack Engineer on a 12‑month contract. This fully remote EU‑based role centers on Rust and Java for backend, with React and Python as secondary stack.

The contract is Outside IR35 and pays £500-600 per day. You will help shape backend services, contribute to architectural decisions, and collaborate with frontend teams to deliver end‑to‑end features while maintaining performance and security.