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Core Skills for the Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35 :. Java and Python in production systems. Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35.

Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is looking to hire up to 3 developers across Mid - Senior level!. Dive into exciting projects using the latest tools. You’ll be working ...

They are a growing startup looking for a. Startup experience – comfortable with ambiguity and wearing many hats.

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop;...

I am supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! They are a heavily tech driven Product Company who put a huge emphasis on quality engineering, innovation and forward thinking. As a Se...

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a...

🌳 Urgent! Polyglot Fullstack Tech leads Needed – UK-based – Series A Funded Startup – Rapid Growth – Fully Remote 🌳 Areti Group is excited to partner with a Series A-funded start-up poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Polyglot Ful...

Deep experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI + Any experience with any other backend languages: Go, Elixir, Clojure, Ruby, C++, Haskell etc.

Senior Ruby on Rails Developer (Remote - UK) | £60,000–£70,000+ DOE.

Junior - Mid-Ruby Developer (Hotwire/ Stimulus / Turbo) - up to £60,000 - 3 Roles!.

Deep experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI + Any experience with any other backend languages: Go, Elixir, Clojure, Ruby, C++, Haskell etc.

Senior Ruby on Rails Developer - Remote (UK) - Exciting Growing Startup, Bolton, Greater Manchester. They are a growing startup looking for a. Startup experience – comfortable with ambiguity and wearing many hats.

Junior - Mid-Ruby Developer (Hotwire/ Stimulus / Turbo) - up to £60,000 - 3 Roles! - Fully remote, Bolton, Greater Manchester. Junior - Mid-Ruby Developer (Hotwire/ Stimulus / Turbo) - up to £60,000 - 3 Roles!.

Senior Full Stack Ruby/ React developer Location: Central London (2 times a month) Salary: £70-85k + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an low turnover rate within the tech te...

Design, develop and maintain robust backend systems using Ruby (Rails or Sinatra). I'm on the lookout for a talented ruby developer who is not only proficient in backend development but also has hands-on experience with AI tools and technologies. Optimise performance and scalability of AI-enhance...

Mid level Full Stack Ruby developer - React Location: Central London (2 times a month) Salary: £60,000 + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an our low turnover rate within the...

Develop, test, and deploy high-quality Ruby on Rails applications. Ruby on Rails in a professional setting. Ruby Engineer / Outside IR35/ Hybrid Working / 9 Month Contract.

Tech stack is currently Rails extensively along with Python and Go for supporting services. Experience with Rails ( or similar framework ).

We’re partnered with a globally recognised team behind a widely used open-source platform.They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment.You’ll

Job Description: Job Title: AWS Cloud Engineer (Manchester, UK) Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues ...

Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Solid experience with Ruby on Rails.

Opus Recruitment Solutions Bolton, Greater Manchester, United Kingdom Other Yes 11 25.05.2025 09.07.2025 I am supporting a FinTech AI Product Company that is seeking an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a highly tech-driven product ...

Homeflow is a market-leading, fast-growing, profitable, software-as-a-service (SaaS) business in the property market, and we’re looking to grow significantly over the next two to three years. We think we’re a lovely team of people with a fantastic company culture that we want to retain as we gro...

Senior Full Stack Ruby Engineer - Tech For Good - Fully Remote Salary: Paying £70,000 - £90,000 + Equity Industry: Tech for Good (Sustainability) Location: Fully Remote with London base for those nearby Tech Stack: Ruby on Rails, TypeScript, React 👩🏻‍💻 Full Stack with backend ...

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for ...

💫 Company | Tech For Good, Product, SaaS 📏 Size | 200 people 🧢 Role | Product Engineer 🪜 Level | Staff 🎯 Areas | full stack, technical leadership, AI ✨ Tech | TypeScript, React, Ruby, AWS, OpenAI, Claude 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in-office 💰 Offer | £130-...

Senior Full Stack Engineer – Ruby on Rails / React Remote-first (must be UK-based) £70,000 - £80,000 About the Role A fast-growing sports tech company is looking for a Senior Full Stack Engineer with strong Ruby on Rails experience and solid React skills to help shape the future of their ...

About the company Tembo is making the dream of ownership possible for a new generation of home buyers. We are a disruptive, award winning mortgage broker powered by a proprietary technology platform which aggregates every mainstream and niche lender in the UK - with the result often getting ...

Principal Data Engineer BI/Reporting/ Datawarehouse Sports and Analytics Sector Location: Remote (UK Based Candidates Only) Could your expertise help discover the next Lionel Messi, LeBron James or Lewis Hamilton? Maybe give your team a competitive edge to finally win the title? We ha...

Duties As Full Stack Engineer, you will work in small teams in a highly collaborative way, use the latest technologies and enjoy seeing the direct impact from your work. Our highly skilled system architects and development managers configure software packages and build custom applications, c...

🚀 Senior Quality Engineer (Remote) 💰 £80,000 to £90,000 📍 Remote (UK-based) | Full-time 📌 High-growth B2B SaaS About the Role We’re seeking a Senior Quality Engineer who’s passionate about embedding quality standards into key areas of software development. You will play a crucial ...

Fully Remote, excellent package and incredible opportunity.You'll collaborate closely with Product, Design, and Customer Success to solve meaningful problems, not just tick technical boxes.You'll mentor others, contribute to architectural decisions, and engage directly with customers to make sure...

Senior Backend Engineer 🌍 UK/Europe (Remote or Hybrid if you're in the UK, it’s up to you!) Our Perks ❤️ Monthly Health & Wellness budget, increasing with length of service 📚 Annual Learning and Development budget, increasing with length of service 🤸🏽‍♂️ Flexible working in a choice...

Ruby Developer An exciting opportunity has arisen for a Ruby Developer to join a leading software company, based in Harpenden where you will be expected to go to the office 1-2 times per week. The successful candidate will have proven experience working with Ruby as well as Saas platforms an...

We are partnering with an innovative company based in London seeking a skilled and motivated Ruby Engineer to join their dynamic team. Known for its cutting-edge solutions and collaborative culture, this organisation values technical excellence, leadership, and the professional growth of its emp...

This role is with a profitable FinTech Product Company that is looking to hire 2 Senior Software Engineers to join their remote engineering team. The company already has a product used by enterprise clients and emphasizes quality engineering and innovation, focusing on a product mindset centere...

What You'll Be Doing as a Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35 : - Designing and building robust backend services across Java, Python, and Rust-based systems - Collaborating with product and platform teams to scale cri...

Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Solid experience with Ruby on Rails.

Senior Ruby on Rails Developer (Remote - UK) | £60,000–£70,000+ DOE. I am working with a client in the Ecommerce/ SaaS space who is rapidly scaling and growing, who is looking for a Senior Ruby Developer who is passionate about working with the latest Rails frontend. Developing and maintaining R

Senior Full Stack Ruby Engineer - Tech for Good - Fully Remote. Senior Full Stack Ruby Engineer - Tech For Good - Fully Remote. Ruby on Rails, TypeScript, React 👩🏻‍💻 Full Stack with backend lean.

You will be working with Ruby and React to develop and enhance our innovative products. Develop and maintain web applications using Ruby and React. Mid level Full Stack Ruby developer - React.

Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Ruby on Rails Engineer | Ruby on Rails, Stimulus, Postgresql | Fully Remote Up to £90k. Solid experience with Ruby on Rails.

Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is looking to hire up to 3 developers across Mid - Senior level!. Junior - Mid-Ruby Developer (Hotwire/ Stimulus / Turbo) - up to £60,00...

Senior Full Stack Ruby Engineer - Tech For Good - Fully Remote. Ruby on Rails, TypeScript, React 👩🏻‍💻 Full Stack with backend lean. Senior Full Stack Ruby Engineer - Tech for Good - Fully Remote.

An exciting opportunity has arisen for a Ruby Developer to join a leading software company, based in Harpenden where you will be expected to go to the office 1-2 times per week. The successful candidate will have proven experience working with Ruby as well as Saas platforms and be a confident com...

Junior - Mid-Ruby Developer (Hotwire/ Stimulus / Turbo) - up to £60,000 - 3 Roles!. Fully Remote Ruby on Rails Developer Opportunity. Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is...

Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length. What You'll Be Doing as a Senior Backend Engineer Contractor (Java / Ruby focused) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35 :. Ideally,...

Ruby Developer - Remote - UK based - Up to £85 K - SaaS. Christopher Ali have partnered up with an innovative UK based SaaS start- up who are at a watershed in its growth and require a Senior Ruby Developer to join the team.