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- Tasks: Design and build robust backend services using Java, Python, and Rust.
- Company: Join a fast-moving global client with a tech-driven team.
- Benefits: Enjoy fully remote work with competitive pay of £550-650pd.
- Other info: This is a 12-month contract, outside IR35, with long-term engagement potential.
- Why this job: Make a high impact in a modern backend environment while collaborating with talented teams.
- Qualifications: Senior-level experience in backend development with Java, Python, and Rust required.
Opportunity: We are supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Java and Ruby. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment.
What You'll Be Doing:
- Designing and building robust backend services across Java, Python, and Rust-based systems
- Collaborating with product and platform teams to scale critical infrastructure
- Contributing to performance optimisation, secure coding, and clean architecture decisions
- Bringing in best practices across multiple programming paradigms and languages
- Ideally, supporting legacy Ruby codebases or integrations where needed
Core Skills:
- Senior-level backend experience with both Java and Python in production systems
- Proven work with Rust (production experience strongly preferred)
- Familiarity with Ruby or willingness to support legacy pieces if required
- Strong grasp of APIs, cloud-native systems, and scalable architecture
- Freelance mindset: able to hit the ground running, communicate clearly, and add value fast
Details:
- Contract: LTD company (UK) / B2B
- Location: Remote (must be EU-based for legal/timezone reasons)
- Duration: Long-term engagement potential
- Start: ASAP
If interested, please apply here and we will contact you if it's a good match!
Locations
Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length employer: Owen Thomas | Pending B Corp™
Contact Detail:
Owen Thomas | Pending B Corp™ Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length
✨Tip Number 1
Make sure to showcase your experience with Java and Ruby prominently in your discussions. Highlight specific projects where you've successfully implemented these technologies, as this will demonstrate your capability to handle the responsibilities of the role.
✨Tip Number 2
Familiarise yourself with the latest trends in backend development, especially around cloud-native systems and scalable architecture. Being able to discuss current best practices and how you've applied them can set you apart from other candidates.
✨Tip Number 3
Prepare to discuss your freelance mindset and how you can quickly adapt to new environments. Share examples of how you've added value to previous teams or projects right from the start, as this is crucial for a contractor role.
✨Tip Number 4
Since the role involves collaboration with product and platform teams, be ready to talk about your communication skills and teamwork experiences. Provide examples of how you've effectively worked with cross-functional teams to achieve project goals.
We think you need these skills to ace Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Java, Ruby, and any relevant backend technologies. Focus on specific projects where you've designed and built backend services, and quantify your achievements where possible.
Craft a Compelling Cover Letter: In your cover letter, explain why you're the perfect fit for this role. Mention your freelance mindset and ability to quickly adapt to new environments. Highlight your experience with scalable systems and collaboration with product teams.
Showcase Relevant Projects: If you have a portfolio or GitHub repository, include links to projects that demonstrate your skills in Java, Ruby, and Rust. This will give the hiring team a clear view of your capabilities and coding style.
Highlight Soft Skills: Since this role requires clear communication and a proactive approach, make sure to mention any experiences that showcase your teamwork and problem-solving abilities. This can set you apart from other candidates.
How to prepare for a job interview at Owen Thomas | Pending B Corp™
✨Showcase Your Technical Skills
Be prepared to discuss your experience with Java, Ruby, and Python in detail. Highlight specific projects where you've designed and built backend services, and be ready to explain your approach to performance optimisation and secure coding.
✨Demonstrate Your Freelance Mindset
Since this is a contractor role, it's crucial to convey your ability to hit the ground running. Share examples of how you've quickly adapted to new environments and added value in previous freelance positions.
✨Discuss Collaboration Experience
Emphasise your experience working with product and platform teams. Be ready to provide examples of how you've collaborated to scale infrastructure and contributed to architectural decisions in a team setting.
✨Prepare for Legacy Code Discussions
Given the need for supporting legacy Ruby codebases, be prepared to discuss your experience with older technologies. If you have worked on maintaining or integrating legacy systems, share those experiences to demonstrate your versatility.