1 to 25 of 57 Ruby on Rails Jobs in London

title – Ruby on Rails Developer Client Location – London, United Kingdom Remote work offering – 80% (hybrid, 1 day per week on site in London) Client Industry – UK Public Sector Contract Length – 12 months (extendable up to 36 months) Contract type – Inside IR-35 Project focus Join … multidisciplinary agile team building and modernising citizen-facing digital services for a UK public sector organisation. You’ll develop new features on established Ruby on Rails applications, help migrate data and functionality away from legacy systems, and deliver accessible, secure services in line with the government ...

Senior Backend Engineer (Ruby) Role type - Permanent Location - London (Hybrid) About Zuno Zuno is the cutting-edge technology platform powering the success of home heating and cooling experts, BOXT. Zuno is scaling for significant growth by continually developing its proprietary tech stack to empower both our installers … technical feasibility from the outset. In this role, you will be responsible for designing and optimising high-performance APIs and complex business logic using Ruby on Rails. While your focus is backend, you will work closely with frontend engineers to define API contracts and ensure seamless integration with ...

nowhere to hide from good work here. If that excites you more than it scares you, you'll fit right in. Follow us on LinkedIn for new features and the occasional roast Meet the Team Here at Cleo, we have ~200 Engineers organised into Pillars. Our stack spans … Ruby on Rails monolith, a single React Native (TypeScript) app frontend, Python for machine learning services, and PostgreSQL, all hosted on AWS and shipped through Kubernetes - backend goes out multiple times a week, app releases to Google and Apple at least weekly. To thrive here ...

currently supporting our Central Government client who are seeking a Ruby on Rails Developer on an initial contract end March 2027 Location: London, Bristol OR Manchester (Mainly remote based) Experience in back-end development, with knowledge of Ruby on Rails programming language used … benefits of agile and multi-disciplinary approaches A desire to use their skills and experience to make a genuine difference, and to work on important services that are used by millions of people NB: BPSS to start and successful applicant must be SC eligible To apply, please submit latest ...

nowhere to hide from good work here. If that excites you more than it scares you, you'll fit right in. Follow us on LinkedIn for new features and the occasional roast Meet the Team Here at Cleo, we have ~200 Engineers organised into Pillars. Our stack spans … Ruby on Rails monolith, a single React Native (TypeScript) app frontend, Python for machine learning services, and PostgreSQL, all hosted on AWS and shipped through Kubernetes - backend goes out multiple times a week, app releases to Google and Apple at least weekly. To thrive here ...

currently supporting our Central Government client who are seeking a Ruby on Rails Developer on an initial contract end March 2027 Location: London, Bristol OR Manchester (Mainly remote based) Experience in back-end development, with knowledge of Ruby on Rails programming language used ...

looking to hire engineers to join the team. We’re really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re looking for a Platform Engineer to join our founding London … business to support platform needs and improve developer experience Design, build and maintain improvements to the infrastructure and platform of Hnry, currently hosted on AWS Improve the reliability, availability and performance of our platform Evolve and optimise our CI/CD pipelines to enable fast, safe and consistent deployments ...

historical cash flows, sales data, and treasury information to automatically select optimal forecasting algorithms and improve accuracy by over 30%. You’ll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting … built to scale across enterprise customers and their data Own the data layer, schema design, query performance, and data integrity - with a strong emphasis on PostgreSQL and SQL more broadly Write and maintain thorough test coverage using RSpec, treating testing as a first-class part of delivery Package ...

Darwin Recruitment is partnering with a UK public sector organisation to hire a Ruby on Rails Developer in London. The role is hybrid, offering 80% remote work with 1 day per week on site in London. You will develop features on established Rails applications ...

thrives at the intersection of craft and scale. You'll design and deliver large-scale, multi-tenant cloud services — with a relentless focus on availability, fault-tolerance, and elegant architecture. You'll set the bar for engineering quality and help elevate those around you. Responsibilities Core Engineering & Ownership: Build … into intuitive UI, making informed technical trade-offs in the face of ambiguity. Collaboration (Engineering Standards): Champion engineering best practices across teams and collaborate on solving complex, high-impact problems. Minimum Qualifications Bachelor's degree in Computer Science or related field, or equivalent experience. 8+ years building reliable, performant ...

Cleo is hiring Backend Engineers to join cross-functional squads and build features that improve users' financial health. You will work on our Ruby on Rails monolith, develop data models, APIs, and business logic services, and collaborate with product, design and analytics to ship impactful changes. ...

really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re always keen to hear from those interested in joining our founding team in London. We’re really proud … team for feedback Collaborate with and support other members of the wider Hnry team Act as a mentor and provide support to Junior developers on the team Qualifications Have at least two years experience working as a developer Have excellent communication and collaboration skills – we work together and succeed ...

Route Recruitment Limited in London is building a marketplace to help families find high quality, flexible childcare. As an engineer on the team, you’ll design and build tech to solve complex matching problems, giving families and nannies a solution that just works and speeding up nanny recruitment … training processes. The stack includes Ruby on Rails for the backend, PostgreSQL and Redis, with ES6 frontend tooling and Tachyons. #J-18808-Ljbffr ...

Ruby Developer Location: Remote/Hybrid UK Contract: Contract Salary/Rate: £550-£600 per day (Inside IR35) Security Clearance: Eligibility to undergo SC clearance Build services that matter Were looking for an experienced Ruby Developer to join a highly collaborative agile team delivering digital services used … millions of people across the UK public sector. This is an opportunity to work on meaningful projects, helping to design, build and support secure, scalable applications that have a direct impact on citizens and government organisations. The Role As a Ruby Developer, youll work across the full ...

nowhere to hide from good work here. If that excites you more than it scares you, you'll fit right in. Follow us on LinkedIn for new features and the occasional roast Meet The Team Here at Cleo, we have ~200 Engineers organised into Pillars Our stack spans … Ruby on Rails monolith, a single React Native (TypeScript) app frontend, Python for machine learning services, and PostgreSQL, all hosted on AWS and shipped through Kubernetes - backend goes out multiple times a week, app releases to Google and Apple at least weekly. To thrive here ...

expertise. As an equal opportunities employer, we are committed to encouraging equality, diversity, and social mobility, while creating opportunities for our teams to work on meaningful projects that deliver lasting impact. About You: You are a motivated and adaptable professional with a strong analytical mindset and a passion … approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role: We are looking for an experienced Ruby Backend Developer to build and maintain scalable, secure, and high-performance backend systems. Key Responsibilities: You will part of a professional software engineering team ...

them with actionable tools and expert guidance to drive measurable results and enhance technology initiatives and organizational processes. Why join us? We pride ourselves on consistent year-over-year growth, with double-digit growth even during a global pandemicWe are in the Top 3 on LinkedIn … Analysts to define test scenarios, acceptance criteria, and coverage for new features; serve as a testing advocate during sprint planning and reviewsWork with developers on the design of automated test suites and assisting them in implementing those suites. Liaise with software developers and DevOps to investigate, document, and resolve ...

moments that matter, at scale and in every market we operate in. We work across Preply's core platform, built with Python/Django on the backend and React on the frontend, and the CRM stack that powers our communications layer. Our focus now is adding more automation … business. We're proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you’ve worked with Java/Spring, Node.js, Ruby on Rails, Scala/Play, PHP, or Go, you’ll feel right at home here. Python experience isn’t required. We make decisions ...

backend services and APIs powering the platform that handles real-time cash visibility and forecasting for enterprise customers across 40+ countries. You will work on a Ruby on Rails and React stack, focus on PostgreSQL data integrity, testing with RSpec, and deploying via Docker … AWS. Join a fast-growing, on-call culture that moves $100B daily. #J-18808-Ljbffr ...

building something that truly matters for millions of people, every day. Meet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors. … proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you’ve worked with Java/Spring, Node.js, Ruby on Rails, Scala/Play, PHP, or Go, you’ll feel right at home here. Python experience isn’t required. We make decisions based on ...

building something that truly matters for millions of people, every day. Meet the team! Our team builds scalable, resilient products using Python/Django on the backend and React on the frontend, all with one goal in mind: creating a smooth, meaningful experience for our learners and tutors. … proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you’ve worked with Java/Spring, Node.js, Ruby on Rails, Scala/Play, PHP, or Go, you’ll feel right at home here. Python experience isn’t required. We make decisions based on ...

people, every day. Meet the team! Join Preply’s Teams and help us power people’s progress through life-changing learning experiences. We’re on a mission to combine the magic of the best tutors with cutting-edge AI to create personalized journeys that keep learners motivated and inspired. … help unlock human potential through learning. We implement A/B tests to prove the value of our initiatives and improve our product based on data and students and tutors feedback. As part of our commitment to ensuring high-quality products, we prioritize monitoring and metrics analysis to identify ...

Full Stack Ruby Engineer Location: London (Paddington) · Hybrid (3 days in-office) · Full-time About wawa fertility 17% of adults worldwide need help to have a baby and by 2050, that number will reach nearly 50%. Yet only 2% can access fertility treatment today. That … canyon. And we’re building the bridge. At wawa fertility, we’re on a mission to make fertility care accessible to 100% of those who need it transforming success rates and accessibility worldwide. Our end-to-end platform digitises the entire fertility journey, enabling clinics to swap spreadsheets ...

hiring a Staff Backend Engineer for its Financial Assistant Pillar. You\'ll shape technical direction across multiple functional product squads and stay hands-on with Rails APIs, data models, and scalable services. You will mentor engineers, collaborate with senior peers, and drive delivery that improves users\' financial health ...

on a mission to improve childcare in London, making it easier and more affordable for families to access flexible and high quality childcare. We are backed by fantastic investors, including top VCs who’ve backed companies like Wonderbly, Thread and Appear. We won ‘Best Technology’ at the Business Women … Year’. About the Role We’re building a marketplace that enables families to find and share high quality nannies. As an engineer on our team, you’ll be designing and building tech to make complex matching problems a breeze, to give families and nannies a solution that just ...