Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length in Milton Keynes

Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length in Milton Keynes

Milton Keynes Freelance Working from home possible
Owen Thomas | Pending B Corp™

At a Glance

  • 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 a fully remote role 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 and Python; Rust experience preferred.

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!

Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length in Milton Keynes employer: Owen Thomas | Pending B Corp™

Join a dynamic and innovative team that values your expertise as a Senior Backend Engineer Contractor, offering the flexibility of fully remote work across the EU. With competitive rates and a focus on cutting-edge technology, you'll thrive in a culture that encourages collaboration, continuous learning, and impactful contributions to scalable systems. This role not only provides an opportunity to work with modern programming languages but also fosters professional growth in a supportive environment.

Owen Thomas | Pending B Corp™

Contact Details:

Owen Thomas | Pending B Corp™ Recruitment 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 in Milton Keynes

Tip Number 1

Make sure to showcase your experience with Java and Ruby prominently in your discussions. Highlight specific projects where you've used these languages, especially in a production environment, as this will resonate well with the hiring team.

Tip Number 2

Familiarise yourself with the latest trends in backend development, particularly around scalable systems and cloud-native architectures. Being able to discuss these topics intelligently during interviews can set you apart from other candidates.

Tip Number 3

Prepare to demonstrate your problem-solving skills by discussing past challenges you've faced in backend engineering. Be ready to explain how you optimised performance or improved security in previous roles, as this is crucial for the position.

Tip Number 4

Since this role requires a freelance mindset, be prepared to discuss how you manage your time and communicate effectively in remote settings. Share examples of how you've successfully collaborated with teams in different time zones.

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 in Milton Keynes

Java Programming
Ruby Programming
Python Programming
Rust Programming
Backend Development
API Design and Development
Cloud-Native Architecture

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 include your familiarity with APIs and cloud-native systems.

Showcase Relevant Projects:If you have worked on projects involving Rust or legacy Ruby codebases, be sure to mention these. Highlight your contributions to performance optimisation and secure coding practices.

Proofread Your Application:Before submitting, carefully proofread your application materials. Ensure there are no typos or grammatical errors, as attention to detail is crucial for a Senior Backend Engineer role.

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 projects you've worked on that highlight your ability to design and build robust backend services.

Demonstrate Problem-Solving Abilities

Expect technical questions that assess your problem-solving skills. Practice coding challenges or system design scenarios relevant to backend engineering to showcase your thought process.

Communicate Clearly

As this role requires collaboration with product and platform teams, practice articulating your ideas clearly. Be ready to explain complex concepts in a way that is easy for others to understand.

Understand the Company’s Tech Stack

Research the company’s existing systems and technologies. Familiarise yourself with their approach to scalable architecture and cloud-native systems to demonstrate your interest and alignment with their goals.