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Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

Remote

United kingdom

Senior

Freelance

02-02-2026

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Skills

Java Ruby Rust Architecture react Django

Job Specifications

Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

The Opportunity

We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform - modernising backend services, improving frontend experiences, and setting long-term architectural direction.

They’re looking for a Senior Full Stack Engineer (Contract) with strong experience in Django or Ruby, who is genuinely comfortable building production-grade UIs with React, and has experience in either Java or Rust (with the willingness to deepen skills in the other).

This is a high-impact, long-term contract within an experienced product-focused engineering team.

It’s well suited to a contractor who enjoys owning features end to end, working close to product, and contributing to a platform that values performance, scalability, and clean design - supported by modern, AI-assisted development practices.

What You’ll Be Doing as a Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

Designing and building end-to-end features across backend and frontend
Developing backend services primarily in Django or Ruby
Building and maintaining frontend components using React
Contributing to backend systems written in Java or Rust, with scope to grow into the other language
Working closely with product, design, and platform teams to deliver customer-facing functionality
Helping shape technical decisions as the platform evolves
Applying best practices around clean architecture, performance, reliability, and security
Using AI tools in your daily development workflow (e.g. coding assistance, refactoring, testing, debugging)

Core Skills & Experience Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

Essential

Senior-level experience as a Full Stack Engineer in production environments
Strong backend experience with Django or Ruby
Strong frontend experience building user interfaces with React
Commercial experience with either Java or Rust
Solid understanding of APIs, scalable architecture, and modern frontend practices
Experience working in cloud-native environments
Comfortable using AI-assisted development tools day to day
Contractor mindset: able to onboard quickly, communicate clearly, and deliver value fast

Strongly Preferred

Willingness to learn across languages and layers (Django ↔ Ruby, Java ↔ Rust)
Experience owning features end to end in product-led teams
Background in fast-growing or evolving platforms

Nice to Have

Experience with both Django and Ruby
Exposure to performance-sensitive or systems-level backend components
Interest in improving developer experience or internal tooling

Contract Details Senior / Staff Full stack engineer | Django / Ruby (Primary) | React (Strong) | Java or Rust (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contract

Contract Type: LTD Company (UK) / B2B
Location: Fully remote (EU-based required for legal & timezone reasons)
Rate: £500–600 per day (Outside IR35)
Duration: 12 months, with strong extension potential
Start Date: ASAP

If you’re a Full Stack Engineer contractor who enjoys building features end to end with Django/Ruby and React, and wants exposure to Java and Rust within a modern, forward-looking platform team, this is a strong long-term opportunity.

Apply here, and we’ll be in touch if it looks like a good fit. :)

About the Company

Hey, we are Owen Thomas. We are a relationship first recruitment partner for Data, Product & Engineering, across Contract and Permanent roles in the UK & Europe. Humanness matters. We believe that empathy is the core of great recruitment; bringing opportunity and businesses to life, beyond what a person can see on a website. All done with our OT personal touch. Our mission: To be leaders within our specialisms and create unrivalled opportunities both internally and externally. We balance purpose and profit. Actively in... Know more

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Company Name: Owen Thomas
Job Title: Full stack Engineer (Contract) | Rust (Primary) | React (Secondary) | Java, Ruby or Python (Exposure) | Fully Remote (EU-based) | £550-600/day | Outside IR35 | 12-month contract