Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're 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 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 … 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 for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both More ❯
Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're 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 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 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 for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both Java More ❯
Reading, England, United Kingdom Hybrid / WFH Options
WorksHub
Overview Our client is a leading SaaS company based in Reading. They serve a team of talented developers. Job Description Technology-wise, they are looking for someone with strong Ruby on Rails experience, with React or JavaScript experience on the front end. Job Details Job Title: Lead Full Stack Developer/Senior Full Stack Developer with Lead experience Location: Reading More ❯
London, England, United Kingdom Hybrid / WFH Options
Alfa AI
AI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range We are looking for a Full Stack, Ruby, Rails, and React Developer for a fast-growth FinTech company. Hybrid working 3 days per week is expected in the office in Shoreditch, London. On offer is £40-50k More ❯
London, England, United Kingdom Hybrid / WFH Options
Niche Software Recruitment - Ruby on Rails Specialists
Job Title: Senior Full Stack Ruby on Rails Developer (B2C SaaS) x 3 Location: Fully Remote (UK & EU Based Candidates Only) Salary: This is very dependent on the candidate as there are 3 roles, but a budget of roughly £70-90k. About Them: My client is a fast-growing B2C SaaS company, expanding their development team to accelerate the … delivery of exciting new features. They’re looking for passionate, talented Senior Ruby on Rails Developers to join our dynamic team and help us scale our platform. If you're a self-motivated problem-solver who thrives in a collaborative, fast-paced environment, this is the perfect opportunity for you! Role: As a Senior Ruby on Rails Developer, you will … and mobile applications. You’ll be joining a small, close-knit team and play an instrumental role in shaping the future of their platform. Key Responsibilities: Lead full-stack Ruby on Rails development efforts for new features and enhancements. Collaborate closely with product and design teams to define technical solutions. Work with cutting-edge technologies like Hotwire and Stimulus to More ❯
Greater Reading Area, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
backed by investment. You will work alongside the Head of Development to lead and mentor a team of talented developers, Technology-wise, they are looking for someone with strong Ruby on Rails experience, with React or JavaScript experience on the front end. They are actively interviewing now - If this role is of interest, I am happy to run over more More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), london col-narrow-left Client: Net Talent Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Aberdeen, Scotland, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), aberdeen col-narrow-left Client: Net Talent Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible opportunity We're … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), bath col-narrow-left Client: Net Talent Location: bath, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Bournemouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), bournemouth col-narrow-left Client: Net Talent Location: bournemouth, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Southampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), southampton col-narrow-left Client: Net Talent Location: southampton, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), cheltenham col-narrow-left Client: Net Talent Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package and incredible opportunity We're … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Watford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), watford, hertfordshire col-narrow-left Client: Net Talent Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), portsmouth, hampshire col-narrow-left Client: Net Talent Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Hemel Hempstead, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), hemel hempstead col-narrow-left Client: Net Talent Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent package … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), crawley, west sussex col-narrow-left Client: Net Talent Location: crawley, west sussex, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Senior Software Engineer (Ruby on Rails & React Native), slough Client: Net Talent Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Senior Software Engineer Fully Remote, excellent package and incredible opportunity We're looking for a Senior Software Engineer to join a fast-moving team building tools … to architectural decisions, and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with … Engaging with customers to understand pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy mentoring, sharing knowledge, and working More ❯
London, England, United Kingdom Hybrid / WFH Options
Agrisano Unternehmungen
and leading the delivery by helping pull everyone together to get it shipped. Mentoring colleagues to help them grow as engineers and actively supporting their development. Working on our Ruby on Rails monolith, building data models, APIs, and business logic services. Delivering your work using agile methodologies and tools like tests, observability, AB-tests, and feature flags. Analysing data to … Requirements As this is an SE5 position as described in our public progression framework we’re looking for someone who has at least 5+ years industry experience of using Ruby on Rails. If it’s not quite that much, maybe you want to look at our other Backend roles. What do you get for all your hard work? A competitive More ❯
London, England, United Kingdom Hybrid / WFH Options
Cleo
and leading the delivery by helping pull everyone together to get it shipped. Mentoring colleagues to help them grow as engineers and actively supporting their development. Working on our Ruby on Rails monolith, building data models, APIs, and business logic services. Delivering your work using agile methodologies and tools like tests, observability, AB-tests, and feature flags. Contributing to cross More ❯
Principal Back End Engineer (Ruby/AWS/Postgres/Redis) Hybrid (UK – Remote-first with London office) £95k - £120k + Benefits Albany Growth are partnering with a high-growth UK-based SaaS company backed by recent investment and now ready to scale their engineering team with 2 senior hires. They are now hiring a Principal Engineer to drive backend … availability platform used by global customers. This is a hands-on senior leadership role with significant influence across engineering standards, architecture, and mentorship. You'll work across a modern Ruby-based stack, and play a key role in scaling platform infrastructure and guiding technical decisions that impact millions. Key Responsibilities Lead the design and development of backend services in a … tooling, observability, and infrastructure to support scalable growth Key Requirements Proven experience as a Principal/Lead/Staff level Engineer, ideally in SaaS or platform environments Expertise in Ruby on Rails and strong understanding of distributed backend systems Experience with infrastructure at scale—ideally across AWS, Terraform, Kubernetes, Postgres, Redis Comfortable working in fast-paced, collaborative, remote-first environments More ❯
London, England, United Kingdom Hybrid / WFH Options
PlayerData
they think solves the user problem. To do that well, they understand why we’re building something. What you'll do: ● Develop quality software across our stack, mainly in Ruby-on-Rails and React Native. ● Collaborate regularly with Product, Design, and Customer Success teams. ● Lead technical and architectural decisions. ● Document your work clearly and thoroughly. ● Mentor and support junior engineers. … Engage directly with customers and stakeholders. ● Improve our processes through feedback, testing, and continuous learning. You should apply if: ● You have extensive experience with Ruby on Rails or similar frameworks. ● You know your way around React/React Native. ● You're proactive, enjoy mentorship, and aren’t afraid to challenge assumptions. ● You prefer practical, user-focused solutions over purely technical … to customers and stakeholders directly. ● Always build the right thing ● Favour the good dev life ● (Automated) testing gives us confidence ● Stop, Collaborate and Listen Our Stack: ● API powered by Ruby, Ruby-on-Rails and GraphQL ● Mobile & Web app built with React-Native, React and Typescript ● Python for data analysis ● A little Rust for lower level file operations ● 6-monthly performance More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
London - Tech for good opportunity! - Health Tech - Senior Product Engineer (Ruby, PHP, Python and C#) Full Stack/Backend - 2 roles available - Up to £100k+ Location: London Hybrid: 3 days About the Company I am working with a new scaleup client in the exciting healthtech space that has helped over 1 million patients to date, with applications in subscription, fitness … Engineers who have scaleup and startup experience, who can go to their office in central London, 3 days a week. They are technology agnostic - considering various backend technologies including Ruby, PHP, Python and C#, with JavaScript on the frontend. They are looking for backend-focused or full-stack developers. They have a very competitive budget of £70,000-110k More ❯
code that will have a direct impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks around GoLang, Ruby on Rails, React, GraphQL and more. StackAdapt's engineering organization believes in working collaboratively and cross-functionally. You will get the opportunity to work in a diverse and flexible culture … What We Are Looking For: 1+ years of full-time work experience building highly performant web applications. Knowledge of our full-stack technologies is highly preferred - React, Typescript, GraphQL, Ruby on Rails etc. Experience with a technical project end-to-end, from design to delivery. Strong understanding of scalable system design for web-based APIs and backend processing systems. Experience … Product & Design to design, implement and iterate on high impact end-to-end product experiences. Experience working with relational databases and key-value stores. Experience working on large scale Ruby on Rails/Go projects. Basic knowledge of AWS or other equivalent cloud platforms (GCP, Azure, etc.). Experience analyzing, benchmarking and optimizing web application page load performance across the More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
network you want to login/join with: Our firm is partnering with a global, product-led SaaS company to find an experienced Engineering Lead with deep expertise in Ruby on Rails . This company offers a remote-first environment and builds a visual content creation platform used by professionals worldwide to create infographics, presentations, and videos—without needing extensive … best practices and continuous improvement in workflows What We’re Looking For: Experience in a senior engineering role with both leadership and hands-on coding responsibilities Strong expertise in Ruby on Rails (required); familiarity with Vue.js is a plus Deep understanding of SaaS architecture, cloud platforms, and modern CI/CD pipelines Proven ability to lead remote teams and create More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
network you want to login/join with: Our firm is partnering with a global, product-led SaaS company to find an experienced Engineering Lead with deep expertise in Ruby on Rails . This company offers a remote-first environment and builds a visual content creation platform used by professionals worldwide to create infographics, presentations, and videos—without needing extensive … best practices and continuous improvement in workflows What We’re Looking For: Experience in a senior engineering role with both leadership and hands-on coding responsibilities Strong expertise in Ruby on Rails (required); familiarity with Vue.js is a plus Deep understanding of SaaS architecture, cloud platforms, and modern CI/CD pipelines Proven ability to lead remote teams and create More ❯