1 to 25 of 28 Ruby Engineer Jobs in the UK

leading clients, we are searching for a highly experienced Senior Software Engineer (Ruby & AI Platform) to join their AI Events team. You'll work closely with engineering, product, and design to build the event-driven infrastructure and trigger systems that power automated AI workflows across the software development … Architect systems for high availability, reliability, and throughput, ensuring events are processed effectively at scale Build and maintain production functionality within a large, established Ruby on Rails monolith Influence product and architecture direction by proposing iterative solutions to complex technical challenges across a multi-service environment Collaborate with engineering ...

leading clients, we are searching for a highly experienced Senior Software Engineer (Ruby & AI Platform) to join their AI Events team. You'll work closely with engineering, product, and design to build the event-driven infrastructure and trigger systems that power automated AI workflows across the software development … Architect systems for high availability, reliability, and throughput, ensuring events are processed effectively at scale Build and maintain production functionality within a large, established Ruby on Rails monolith Influence product and architecture direction by proposing iterative solutions to complex technical challenges across a multi-service environment Collaborate with engineering ...

office) Salary: Up to £110k per annum We are partnering with an innovative company based in London seeking a skilled and motivated Senior Ruby Engineer to join their dynamic team. Known for its cutting-edge solutions and collaborative culture, this organisation values technical excellence, leadership, and the professional … growth of its employees. As a Senior Ruby Engineer, you will play a crucial role in the team by contributing hands-on to product development while also guiding and mentoring junior developers. This role is ideal for someone who thrives in a hybrid technical leadership position, balancing their ...

About the role:We are on the hunt for a talented Fullstack Ruby Engineer who is keen to make an impact in an innovative tech environment. This is an exciting opportunity to join a dynamic team working on groundbreaking business intelligence solutions.Our client is currently developing a cutting … edge research product that enables brands to gather extensive market insights quickly, the Lead Ruby Engineer will play a crucial role in shaping this product.Key Responsibilities:Scale systems to handle increasing data streams.Collaborate with a team of experienced engineers on next-gen research and data analysis tools.Utilise Ruby ...

Opus Recruitment Solutions Ltd is seeking a Senior Software Engineer (Ruby & AI Platform) to join the AI Events team on a remote freelance basis. You will design trigger systems connecting GitLab events to AI-powered workflows and integrate third-party events from Jira, Jenkins, and Slack. You will … contribute to the core event platform, ensure high availability, and work across a multi-service Ruby on Rails ecosystem with AI-driven capabilities. #J-18808-Ljbffr ...

Sorcer in London is seeking a Senior Ruby Engineer to join our dynamic team. You will contribute hands-on to product development while guiding junior developers in a hybrid role that balances coding with mentoring. You’ll work on scalable Ruby applications, implement best practices, lead code ...

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 ...

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 ...

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 ...

GitLab is seeking a Senior Backend Engineer (Ruby) for the Plan: Spec-Driven Development team. This is a full-time, remote role with work location: UK, focusing on Ruby on Rails, Python, GraphQL, PostgreSQL and related backend systems. You’ll own end-to-end backend features, collaborate ...

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 ...

Linux DevOps Engineer – Linux, Ruby, Coffeescript, Puppet, NoSQLLondon80,000 – bonusQuant Capital is urgently looking for a Linux DevOps Engineer to join our high profile client.Our client is a brand new financial data technology start up. They enable rapid trading transactions to be processed and are innovators … stack. The company structure is very flat and almost everyone writes code.They are funded by several major banks.I am looking for a Linux DevOps Engineer who has started a successful track-record building and running a multi-site, internet-facing service. They have a complex architecture and very high ...

customer's codebase on their behalf.This work is central to how GitLab delivers AI-powered automation on repositories. As a Senior Software Engineer, you will own features end to end, from design through delivery, building agentic experiences on top of the Duo Agent Platform.What you'll do in this … technical quality.Contribute to a culture of autonomy, ownership, high context sharing, and async-first collaboration.What we're looking forStrong, hands-on experience with Ruby and Ruby on Rails in production systems.Experience integrating LLMs into products (product integration, not ML model training).Experience building agentic systems: autonomous or semi ...

customer's codebase on their behalf. This work is central to how GitLab delivers AI-powered automation on repositories. As a Senior Software Engineer, you will own features end to end, from design through delivery, building agentic experiences on top of the Duo Agent Platform. What … Contribute to a culture of autonomy, ownership, high context sharing, and async-first collaboration. What we're looking for Strong, hands-on experience with Ruby and Ruby on Rails in production systems. Experience integrating LLMs into products (product integration, not ML model training). Experience building agentic systems ...

automatically when matching events occur, so that AI-powered workflows like automated code review can run without anyone lifting a finger.As a Senior Software Engineer, you'll join a small, close-knit team that maintains infrastructure that many of GitLab's AI features rely on. You'll likely spend … Tier 3 on-call rotations to troubleshoot production, security, and urgent engineering issues in a globally distributed environment.What you’ll bringDeep experience with Ruby and Rails, comfortable working within a large, established monolith and shipping production code effectively.Proven track record building products that interact with large language models ...

Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.An overview of this roleAs a Senior Software Engineer on GitLab's Authorization team, you will own significant parts of the system that decides what every user, token, and automated agent can access … GitLab.com, Self-Managed, and Dedicated.Today that work is Ruby on Rails. Roughly 400 policy classes and a YAML catalog of about 1,900 permissions sit behind every API request. You will work on the permission model itself (fine-grained token permissions, custom roles, and the GraphQL and REST surfaces ...

Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.An overview of this roleAs a Senior Backend Engineer on the Plan: Spec-Driven Development team, you'll help build GitLab's intent-to-code loop: agentic workflows that turn a stated intent … mergeable code. You'll own early-stage backend work across the flows, application programming interfaces, data models, and evaluation systems behind this experience, using Ruby on Rails, Python, PostgreSQL, GitLab Duo Agent Platform, large language model application programming interfaces, and an artificial intelligence gateway.You'll join a small, distributed ...

passion, and perseverance mean we’re a team through thick and thin.What to ExpectYou’ll be joining our growing Engineering team as a Backend Engineer, reporting to the Engineering Manager. Our backend team powers critical capabilities like customer decisioning, third-party service integrations, automation for operational teams, and self … product managers, designers, and frontend engineers to deliver features that directly impact Raylo’s growth and customer experience.Work with a modern backend stack including Ruby on Rails (8.0), Sidekiq Enterprise (200k+ jobs daily), Heroku, GitHub Actions (CI/CD), Playwright (E2E testing), and GraphQL APIs.What You’ll DoBuild, maintain ...

perseverance mean we’re a team through thick and thin. What to Expect You’ll be joining our growing Engineering team as a Backend Engineer, reporting to the Engineering Manager. Our backend team powers critical capabilities like customer decisioning, third‐party service integrations, automation for operational teams, and self … managers, designers, and frontend engineers to deliver features that directly impact Raylo’s growth and customer experience. Work with a modern backend stack including Ruby on Rails (8.0), Sidekiq Enterprise (200k+ jobs daily), Heroku, GitHub Actions (CI/CD), Playwright (E2E testing), and GraphQL APIs . What ...

Fortune Media IP 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 … resiliency.Assess the competitive landscape and help GitLab build strong AI integrations as agentic technology evolves.What you’ll bringExperience building and maintaining production applications with Ruby on Rails, including background jobs, APIs, and data models.Comfort working across the stack in a mature codebase.Proficiency in designing or extending REST or GraphQL ...

Client Server in London is seeking a Senior Full Stack Engineer/Technical Lead to own technical strategy and architecture for one or more developer ecosystems. You will guide API/SDK design, drive best practices, and lead cross-team initiatives to improve client libraries. You will oversee ...

Randstad Staffing is seeking an experienced Fullstack Software Engineer in London. The role combines backend work with modern frontend development, leveraging Ruby on Rails, Python, and Rust to deliver high-performance, scalable web applications. You will work with React/Vue/Next.js, build and optimize data models ...

Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.An overview of this roleAs a Senior Backend Engineer with the Database Excellence group, you'll build and evolve the data frameworks and tooling that keep GitLab's application datastores scalable, healthy … Data Engineering organization, you'll also shape new scalability and data health features for self-managed customers, working hands-on with PostgreSQL and Ruby on Rails in a fully remote, highly collaborative environment.Some examples of our projects:Data Growth Controls (retention enforcement and data lifecycle management)SQL Traffic Replay ...

Commerce is seeking a Software Engineer II - Backend to design, implement, and maintain Ruby on Rails services for the payments offering on the BigCommerce platform. This hybrid role is based in London, United Kingdom, with collaboration across product and operations to ensure secure, scalable checkout experiences. ...

GitLab is seeking a Senior Software Engineer to own end-to-end features within the DAP Repository Flows on the Duo Agent Platform. You will design and deliver autonomous agents and onboarding flows that empower customers and power AI-driven automation on codebases. The role requires strong Ruby ...