51 to 75 of 78 Ruby on Rails Jobs

Senior Backend Engineer (Ruby), AI Catalog: External Agents

Hiring Organisation
GitLab
Location
Moffat, Dumfries & Galloway, UK
Employment Type
Full-time
technology that transforms how the world develops software.*Fortune 500 is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune … Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this roleAs a Senior Backend Engineer on GitLab's External Agents team, you'll design and build integrations that bring GitLab agents into tools such as Slack and connect external solutions such ...

Backend Engineer (Ruby/PHP/Scala) – Hybrid London

Location
Greater London, England, United Kingdom
BigCommerce Pty is seeking a Software Engineer II - Backend to work on payment integrations, enhancing the BigCommerce platform's functionality. The ideal candidate will have 3+ years of experience in backend development, particularly with Ruby on Rails, and will design, implement, and maintain critical features impacting ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
team to help as many people as efficiently as possible Using the latest generative AI tooling to empower our caseworkers to focus on what matters, helping those in need Get deep into the power of the LLMs that exist and figure out ideal optimisations across our systems with them … building these critical features Who we’re looking for Breadth of experience across infrastructure, backend and frontend technology stacks: We use the latest Ruby on Rails, Turbo, Phlex, AlpineJS, TailwindCSS, AWS, PostgresSQL to name a few technologies OpenAI & Claude for LLM interfacing We are not wedded ...

Payments Backend Engineer (Ruby/PHP/Scala) – Hybrid London

Location
Greater London, England, United Kingdom
BigCommerce Pty. in London is seeking a Software Engineer II specializing in backend development, particularly with Ruby on Rails, to enhance payment integrations and support scalable, high-performance solutions. The ideal candidate boasts at least 3 years of relevant experience, a strong understanding of production-grade systems ...

Senior AI-Driven Product Engineer

Location
Greater London, England, United Kingdom
growing team. You will help develop technology that empowers caseworkers and enhances client support. The ideal candidate has experience with modern tech stacks, including Ruby on Rails, and thrives in cross-functional teams. This role offers competitive salaries, significant autonomy, and the chance to contribute to meaningful ...

Senior Backend Engineer - AI Coding (Remote UK)

Location
United Kingdom
GitLab events to AI workflows, and contribute to the high-availability platform. You'll collaborate across product, design, and other AI teams, bringing deep Ruby on Rails expertise and experience with large language models integration. This role emphasizes async communication in a distributed, remote-first environment. #J ...

Remote Product Reliability Engineer — AI-Driven, Scalable SaaS

Location
Greater London, England, United Kingdom
internal tooling for teams. You will engage in triage, diagnosis, and solution implementation while leveraging AI to optimize performance. This role requires experience in Ruby on Rails and React with TypeScript, and involves significant proactive problem-solving. We offer competitive compensation, remote work flexibility, and a supportive ...

Web Developer at 2am Preston

Location
Preston, England, United Kingdom
WordPress, and ExpressionEngine Experience in developing eCommerce websites Excellent attention to detail and commitment to deliver to the highest standards Knowledge of Django or Ruby On Rails and PHP frameworks like CakePHP or Zend The successful candidate will enjoy a friendly, fun, open-minded, and progressive environment ...

Senior Product Engineer, AI

Location
Greater London, England, United Kingdom
part of Salesforce, is 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 … impact of each model we deploy. If you are an experienced product engineer who takes an analytical approach to development and has some hands‐on experience with ML systems, we'd love to hear from you! What will I be doing? Product Engineers in the AI Group Build ...

Senior Ruby Engineer

Location
Sheffield, England, United Kingdom
culture of technical excellence and collaboration Who You Are 8+ years of experience building and scaling backend systems in production environments 4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing … send, and all variable types Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs Ruby without Rails - you are able to develop complex applications ...

Senior Ruby Engineer

Location
Manchester, England, United Kingdom
culture of technical excellence and collaboration Who You Are 8+ years of experience building and scaling backend systems in production environments 4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing … send, and all variable types Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs Ruby without Rails - you are able to develop complex applications ...

Senior Ruby Engineer

Location
Greater London, England, United Kingdom
culture of technical excellence and collaboration Who You Are 8+ years of experience building and scaling backend systems in production environments 4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing … send, and all variable types Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs Ruby without Rails - you are able to develop complex applications ...

Staff Software Engineer, Traffic Team

Hiring Organisation
GitHub
Location
Moffat, Dumfries & Galloway, UK
Employment Type
Full-time
GitHub continues to operate industry-leading services at global scale, and to ensure internal engineering teams have the tools and processes necessary to build on top of our platform with as little friction as possible. As a Staff Software Engineer on the Traffic Team, you will work closely … with a distributed, diverse, and passionate team of engineers to improve and maintain part of the platform that millions of developers worldwide rely on in their software development cycle. The Traffic Team is highly distributed, and you will thrive in an environment of remote work and asynchronous communication. ...

Senior Frontend Engineer (Remote) - UK

Location
Greater London, England, United Kingdom
architectural vision that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We’ve always … worry if your experience or background doesn't match all of these areas, we believe a broad spectrum of experience provides great perspective on solving problems in new and innovative ways and we’d love to hear from you. AlphaSights is an equal opportunity employer. #J-18808-Ljbffr ...

Platform Engineer London, UK · Full time · Hybrid

Location
Greater London, England, United Kingdom
workflows used by more than 100 engineers. The role combines infrastructure and software development, with an approximate 65/35 split. You’ll work on cloud infrastructure, deployment automation, observability, CI/CD, and internal tooling. The goal is to make development and releases more reliable, efficient, and straightforward. …/CD workflows. Find the causes of slow builds, failed pipelines, and flaky tests. Develop internal tools, improve test infrastructure, and occasionally work on product features. Improve observability across our infrastructure and delivery workflows using OpenTelemetry, ELK. Leverage AI to improve engineering workflows by building cloud-based agent tools ...

Senior Ruby Engineer

Location
Greater London, England, United Kingdom
culture of technical excellence and collaboration. Who You Are 8+ years of experience building and scaling backend systems in production environments. 4+ years leading Ruby cloud stack teams as a Principal Engineer/Architect. You are very familiar with the Ruby object model - eigenclasses, method dispatch, method_missing … send, and all variable types. Expert skills with Ruby idiomatic patterns, terse styling, metaprogramming and be able to create macros, DSLs, etc. Have experience contributing to wildly used gems or developed internal DSLs for domain specific needs. Ruby without Rails - you are able to develop complex applications ...

Software Engineer (Sheffield/Leeds)

Location
Sheffield, England, United Kingdom
Azure or Google Cloud Containerisation experience such as Docker and/or Docker Compose Experience with one or more of: PHP & Laravel Ruby & Rails C/C++ Mobile (Native or Cross Platform) About Us We care about personal and professional development and offer all of our employees training … community as well as for our clients. Our focus goes beyond just delivering good technology, we’re committed to making a tangible positive impact on people, communities and the planet. With a practical and adaptable approach, we tackle challenges head‐on, advocating for solutions that prioritise long‐term ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
work with a modern tech stack using Next.js, React, TypeScript and Tailwind CSS. You will use your skills for Frontend and Backend technologies built on top of Next.js. You will take ownership of features from planning and implementing to shipping and optimizing. You will work closely with … groups and our RFC process. Salary range for Senior Engineer : EU: €90,000 - 125,000 UK: £90,000 - 125,000 (The final offer depends on your background, skills, and how you perform through the process. We're open to considering mid, senior and staff‐level candidates, which may result ...

Senior Ruby Backend Engineer — Ownership & Impact (London)

Location
England, United Kingdom
Oliver Bernard is seeking an experienced Ruby Engineer to join a bootstrapped SaaS company in London. You’ll own backend services on a high-traffic, customer-facing platform and shape product direction with genuine ownership. The role is backend-focused with a strong emphasis on scalable Ruby/Rails architectures, working four days a week in the Central London office, within a small, founder-led team with a collaborative culture. #J-18808-Ljbffr ...

Intermediate Backend Engineer, EMEA

Location
United Kingdom
technology that transforms how the world develops software. Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune … grow. Why you’ll love this role Ownership: You'll take features from requirements through delivery and follow-up; your code will run on a platform used by millions of users. Learning and Growth : You’ll work alongside your engineering team, who treat code review and design review ...

Senior Software Engineer – AI SaaS (Rails/React) Equity

Location
Greater London, England, United Kingdom
build, and maintain backend services powering the Cash Forecasting platform, with some frontend work as needed. You will own data layer and queries, focusing on PostgreSQL, and contribute to a multi-tenant SaaS environment. You’ll work in a large codebase using Ruby/Rails and React … with Docker deployments on AWS, and you’ll participate in code reviews and on-call rotations as part of a collaborative, on-site engineering culture in London. #J-18808-Ljbffr ...

backend developer for developer documentation

Location
Greater London, England, United Kingdom
Описание Apple’s documentation engineering team creates developer tools and framework-level support for documentation workflows on the developer website and Xcode. The team develops backend technology, products, infrastructure, and tooling for reliable documentation systems. Задачи Produce well-tested, performant, and reliable code for multiple maintained systems; Participate … developing products and features; Ability to discuss technical trade-offs across system architecture, database design, API design, and infrastructure; Continuous learning attitude focused on improving personal and team capabilities; Nice to have: BS/MS in Computer Science, Computer Engineering, Informatics, or equivalent experience; experience with Ruby, Rails ...

Remote Ruby Developer – Rails, APIs & Clean Code

Location
United Kingdom
Morson Human Resources Limited is seeking an experienced Ruby Developer to join a growing engineering team on an initial 6-month contract, with the potential for extension. The role is fully remote and Outside IR35, offering up to £425 per day, working on modern software applications … collaborating with product teams. You will design, develop and maintain scalable Ruby applications, build APIs, and contribute to testing and best practices within an Agile environment. #J-18808-Ljbffr ...

Software Engineer II - Full-Stack

Location
Greater London, England, United Kingdom
Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Why Deliveroo? We're building the definitive … 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 ...

Software Engineer, New Grad

Location
Greater London, England, United Kingdom
scale. We’re looking for a Software Engineer to join our London team. In this role, you’ll help us build the future of on-demand delivery, contributing to the services that power our global marketplace. Get to know our Engineering team — what drives us, how we work … Doing You’ll be joining a high-impact engineering team at our London headquarters. As a New Grad, you will work on production systems that impact millions of users, supported by a world-class team of engineers. Here’s what your day-to-day might look like: Ship high ...