11 of 11 Permanent Ruby on Rails Jobs in London

Senior Ruby on Rails Engineer Fulham (2/3 days on-site) £60,000 - £80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where … innovative solutions that prioritise dignity, safety, and inclusion for millions of users. In this varied role, you will move beyond feature development to focus on the stability, performance, and observability of the core Rails ecosystem. You will act as a trusted backend partner for Product and Platform teams ...

Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments … closely with cross-functional teams to develop new features, enhance existing systems, and ensure our platform remains stable and efficient. Your deep understanding of Rails architecture, PostgreSQL optimisation, and API design will be essential as you contribute to ongoing development projects. If you enjoy collaborating in Agile/Scrum ...

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 of the team … Bonus points for the following: Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience with Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work ...

Engineer, you will build and evolve the backend systems powering both direct‐to‐consumer and B2B health platforms. You'll work across a modern Ruby on Rails and TypeScript stack to deliver clinical insights at scale. Location London, UK Benefits Work at the forefront of health‐tech … monthly £100 Thriva credit, an annual "treat yourself" budget, and a well‐equipped central London office. Responsibilities Design and evolve scalable backend architectures using Ruby on Rails to support complex clinical data and asynchronous messaging systems. Collaborate cross‐functionally with designers and product managers to shape product ...

Jack & Jill is looking for a Senior Software Engineer in Greater London to join a high-impact team focused on leveraging AI in health tech. The role involves designing and evolving backend systems using Ruby on Rails, collaborating with cross-functional teams, and enhancing development workflows. … Candidates should have 5+ years of experience in software development, with a strong emphasis on Ruby on Rails, as well as familiarity with modern development tools like Terraform and Kubernetes. A wellness-focused culture and competitive benefits await you. #J-18808-Ljbffr ...

with full ownership from start to finish. Collaborate as part of a close & multi-disciplinary team. Your work will have meaningful and measurable impact on our organisation and products Own business‐critical components and ensure their stability and maintainability Mentor other members of the team to ensure technical excellence … right person for this role should be excited and motivated to work in this AI‐first world. Stack-wise, we run TypeScript , Python , and Ruby at various levels in our stack – for this role we are really seeking a polyglot Software Engineer for whom specific implementation language ...

Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest‐performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always‐on customer support across the customer journey – from service, to sales, to ecommerce. … #1 AI agent for customer service. It resolves over 1M customer conversations every week, and we’re just getting started. We’re on the cutting edge of defining how AI agents should work — inventing paradigms that didn’t exist six months ago and discovering entirely new problem spaces every ...

changing that. We build software that makes claiming R&D tax relief transparent and genuinely empowering for the businesses and advisors who rely on us, with a vision to help every innovative company unlock the funding they deserve. Living by that mission has been the secret to our growth … pivotal moment in our journey. Every move we make has a direct impact on our customers, our product, and our collective success. We need people who take pride in understanding what drives outcomes, challenge the way things are done (respectfully), and always aim high. ...

product minded engineer who enjoys building platforms from the ground up. Strong commercial experience as a full stack or backend focused engineer Hands on experience building agentic AI systems using frameworks such as LangChain or LangGraph Experience shipping AI powered features into production environments Solid understanding of cloud infrastructure … Bedrock or serverless tooling Experience with modern web technologies including React and JavaScript or TypeScript Comfortable working in evolving codebases, with exposure to Ruby on Rails or Node.js beneficial A track record of seeing products through build, launch and iteration ...

execution-focused, with visible impact, fast decisions, and real growth. How we work at Aircall: We’re customer-obsessed, data-driven, and focused on delivering meaningful outcomes. We value ownership, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-moving environment where trust and impact matter … delivery processes and you will help us level these up. Using NodeJS and Typescript back-end stacks, appropriate for each requirement, but always hosted on AWS , we build added value and resilient services on top of voice and fully integrate with our customers’ business critical tools (CRM, Helpdesk ...

customers. Working at Deliveroo is the perfect environment to build a definitive career, motivated by impact. Firstly, the impact that working here will have on your development, allowing you to grow faster than you might elsewhere; secondly, the impact that you can have on Deliveroo, leaving your mark … these areas. Pride in readable, well‐designed, well‐tested software Experience writing web‐based applications in any language, and an interest in learning (Go, Ruby/Rails, Python, Scala, or Rust) Familiarity and practical experience with relational databases (PostgreSQL, MySQL) Familiarity and practical experience with web architecture ...