Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and build robust backend services using Java, Python, and Rust.
- Company: Join a tech-driven team scaling global systems with a focus on software, data, and AI.
- Benefits: Enjoy fully remote work, competitive rates, and the flexibility of a freelance contract.
- Why this job: Make a high impact in a modern backend environment while collaborating with innovative teams.
- Qualifications: Senior-level experience in backend development with Java, Python, and Rust is essential.
- Other info: This is a 12-month contract role, EU-based applicants only.
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)
- Start: ASAP
If interested, please apply here and we will contact you if it’s a good match!
Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-[...] 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-[...]
✨Tip Number 1
Make sure to showcase your experience with Java and Ruby prominently. Highlight specific projects where you've used these languages, especially in production environments, as this will demonstrate your capability to handle the responsibilities of the role.
✨Tip Number 2
Familiarise yourself with the company's tech stack and any recent projects they've undertaken. This knowledge can help you tailor your discussions during interviews and show that you're genuinely interested in their work.
✨Tip Number 3
Prepare to discuss your approach to optimising performance and secure coding practices. Being able to articulate your thought process on these topics will set you apart as a candidate who understands the importance of robust backend systems.
✨Tip Number 4
Network with professionals in the field, especially those who have worked with Owen Thomas or similar companies. Engaging with them can provide insights into the company culture and expectations, which can be invaluable during your application process.
We think you need these skills to ace Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-[...]
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Java, Ruby, and any other relevant technologies mentioned in the job description. Use specific examples of projects where you've designed and built backend services.
Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention your freelance mindset and how you can quickly add value to their team. Be sure to reference your experience with scalable systems and cloud-native architectures.
Showcase Relevant Projects: If you have a portfolio or GitHub repository, include links to projects that demonstrate your skills in Java, Ruby, and Rust. Highlight any contributions to performance optimisation and secure coding practices.
Proofread Your Application: Before submitting, carefully proofread your application materials. Check for any spelling or grammatical errors, and ensure that all information is clear and concise. A polished application reflects your attention to detail.
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 Rust in detail. Bring examples of past projects where you've designed and built backend services, and be ready to explain your thought process and the challenges you faced.
✨Demonstrate Problem-Solving Abilities
Expect technical questions that assess your problem-solving skills. Practice coding challenges or system design scenarios that involve scalable architecture and performance optimisation, as these are crucial for the role.
✨Communicate Clearly
As a contractor, clear communication is key. Be ready to discuss how you collaborate with product and platform teams, and share examples of how you've effectively communicated complex technical concepts to non-technical stakeholders.
✨Understand the Company’s Needs
Research the company and its tech stack before the interview. Understand their current challenges and think about how your skills can help them scale their infrastructure and improve their backend systems.
