1 to 25 of 26 Ruby Jobs in London

backend applications in production environments. Proficiency in at least two or morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with cloud platforms such ...

assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python, JavaScript or Ruby). Leadership & communication skills - able to guide teams, influence stakeholders, and clearly communicate with both technical and non-technical audiences. Agile & strategic mindset - experience working ...

variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive, collaborative, and adaptable ...

Design, develop, and maintain applications using Java/JEE technologies Build and enhance web applications using frameworks and languages such as Java, Groovy, or Ruby Write clean, secure, well-tested code following test-driven development (TDD) principles Develop reusable, open, and maintainable code components Contribute to modern development standards ...

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 ...

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 and enjoys solving complex technical challenges. … eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful ...

both the business benefits (value proposition) and technical advantages of our offering Experienced in programming/scripting with any of the following: Java, Python, Ruby, Go, Node.JS, PHP, and .NET etc. Someone with a minimum of 3+ years in a Sales Engineering or DevOps Engineering role Able ...

both the business benefits (value proposition) and technical advantages of our offering Experienced in programming/scripting with any of the following: Java, Python, Ruby, Go, Node.JS, PHP, and .NET etc. Someone with a minimum of 3+ years in a Sales Engineering or DevOps Engineering role Able ...

live environments. Our Passenger Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We are hiring a Mid-Senior Ruby on Rails Engineer to own and evolve our operational systems, ensuring stability and production reliability in close collaboration with cross-functional teams. Strategic Context Transreport exists … reliability and deployment confidence. Contribute to longer-term backend architecture improvements and scalability planning. Responsibilities Own & Evolve Backend Systems: Maintain and improve our Ruby on Rails applications supporting operational workflows. Technical Quality: Write clean, well-tested code and uphold strong security and data integrity standards. Integrations: Manage third-party integrations ...

multiple geographies and regulatory environments. What You’ll Do Lead the design, build, and evolution of fullstack applications using React (TypeScript), Kotlin, Python, and Ruby Architect and develop scalable APIs and microservices deployed on AWS, Azure, or GCP Take ownership of complex features from design through to production and ongoing … years of professional experience in fullstack or software engineering Strong proficiency in React/TypeScript and at least one backend language (Python, Kotlin, or Ruby) Proven experience designing and building distributed systems and scalable architectures Experience building and operating APIs and microservices in cloud environments (AWS, Azure, GCP) Familiarity with ...

multiple geographies and regulatory environments. What You’ll Do Lead the design, build, and evolution of fullstack applications using React (TypeScript), Kotlin, Python, and Ruby Architect and develop scalable APIs and microservices deployed on AWS, Azure, or GCP Take ownership of complex features from design through to production and ongoing … years of professional experience in fullstack or software engineering Strong proficiency in React/TypeScript and at least one backend language (Python, Kotlin, or Ruby) Proven experience designing and building distributed systems and scalable architectures Experience building and operating APIs and microservices in cloud environments (AWS, Azure, GCP) Familiarity with ...

building something genuinely interesting and are now looking for a junior – mid level Software Engineer to join the team. You don’t need Ruby on Rails or Postgres experience coming in, they will train you. You do need strong fundamentals, curiosity, and the motivation to get better quickly. The setup ...

once a month on site Leeds or London 3 Month contract (Inside IR35) Requirements: JavaScript TypeScript Node Nunjucks TDD Public/Government Sector experience Ruby (Nice to have) APIs (Nice to have ...

once a month on site Leeds or London 3 Month contract (Inside IR35) Requirements: JavaScript TypeScript Node Nunjucks TDD Public/Government Sector experience Ruby (Nice to have) APIs (Nice to have ...

Senior Ruby Developer - Leading Health Tech - Hybrid Salary: Paying £75,000 - £100,000 + Equity Industry: Health Tech (Tech for Good) Location: Hybrid, 2 days a week in Central London Office Tech Stack: Ruby on Rails, TypeScript, AWS 👩🏻 💻 The Company 🚀 We're excited to have partnered with a leading health … core infrastructure. You'll have real autonomy and ownership whilst being part of a social team that celebrates wins together. You'll need solid Ruby on Rails experience, 5+ years of commercial development, and confidence in a product-focused environment. Comfort with distributed systems and B2B integrations is a must. ...

join our product engineering team. You'll be someone who thinks of yourself as an engineer first, with deep hands-on experience in Ruby on Rails and a genuine passion for building great frontend experiences. You'll take pride in the quality of what users see and interact with, while … years of professional software engineering experience (we care more about the quality of that experience than the exact number!) Strong proficiency in Ruby on Rails - you've built and maintained production Rails apps and feel genuinely at home in the framework A strong eye for frontend quality - you care about ...

problem solving ability Strong attention to detail and consistency Interest in programming with basic proficiency in at least one language (Python, C++, Go, Scala, Ruby, Lua, VBA or similar) Curiosity about trading, technology and how complex systems behave under pressure This opportunity is ideal for someone who wants a front ...

mobile apps, ensuring data syncs correctly between the Rails backend and the client devices. The Tech Environment: Management: TestRail, Jira. Web: Vue.js (Frontend), Ruby on Rails (Backend). Mobile: Native Swift (iOS) & Native Kotlin (Android) as well as React Native. Note: While our stack includes RSpec and Vuewrapper, this ...

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 you will play a major part … integrations, improving background job efficiency, and utilising architectural documentation like C4 models to ensure long-term scalability. The ideal candidate will be a seasoned Ruby on Rails developer with deep expertise in PostgreSQL and background processing via Sidekiq and Redis. You should be highly proficient in building RESTful APIs, managing ...

Essential Location: Remote/Max once a month on site Leeds or London 3 Month contract (Inside IR35) Requirements: JavaScriptTypeScriptNodeNunjucksTDDPublic/Government Sector experience Ruby (Nice to have)APIs (Nice to have ...

scaling their Rails function - they’re specifically looking for engineers who can raise the bar, not just contribute. Start ASAP You must have deep Ruby/Rails experience Opportunity for IC or more responsibility around coaching and mentoring Opportunity to work across teams Responsibility around system design, architecture and driving ...

Lead Ruby on Rails Developer Remote-First | Product-Led Environment We’re working with a product-led client looking for a Lead Ruby on Rails Developer who still enjoys being hands-on technically while also helping guide a small engineering team. This role is ideal for someone who enjoys solving … directly to architecture, product development and technical direction across a modern platform environment. The position remains heavily hands-on, with a strong focus on Ruby on Rails development, platform improvements and scalable engineering practices. The business is also actively exploring how AI can genuinely improve software delivery, engineering productivity ...

working with a London based company who are in the market for Ruby on Rails Engineers. You must have Ruby/Rails experience at a mid level i.e 3 years+ Develop, maintain, and scale backend applications using Ruby on Rails and associated technologies. Partner closely with product and frontend teams ...

Technical Lead - Ruby : Up to £90k : Hybrid London with remote options We've partnered with a Series A, mission-driven SaaS business to find a Tech Lead who will take ownership of core backend delivery and help scale a platform that is already handling millions of real-world operational requests. … clearly to both internal teams and external clients Mentor engineers and integrate third-party APIs while keeping delivery momentum on track Requirements: Strong professional Ruby on Rails experience in production, with a solid grasp of monolith architecture and full-stack troubleshooting Experience with PostgreSQL, Redis and RESTful API design Comfortable ...

power our mortgage origination and servicing capabilities. Why join us? Shape the future of Home Finance You’ll lead the evolution of our bespoke Ruby on Rails–based mortgage origination and servicing platform, architecting modern, resilient and scalable solutions. True empowerment and autonomy We operate stream-aligned product teams where … Product Owners, Engineering Managers and operational teams to optimise flow, deliver customer value and modernise our platforms. Our bespoke mortgage system is built using Ruby on Rails, MySQL, JavaScript, and other open-source technologies, with a clear roadmap toward cloud-native evolution. Key responsibilities Lead, coach and inspire a stream ...