26 to 49 of 49 Ruby on Rails Jobs in London

Senior Engineer 27 Goswell Rd., Barbican, London EC1M 7AN

Location
Greater London, England, United Kingdom
Goswell Rd., Barbican, London EC1M 7AN About Us Duco is on a mission to reduce the time spent on data-related work by 90%. Our enterprise data automation platform empowers teams to work more efficiently and meaningfully by giving them the ability to automate data controls with …/CD and quality gates that make AI-assisted work reliable for the whole team. Bring ideas, and a healthy scepticism for hype , on where AI adds real value and where it does not. Champion safe, responsible use that respects code quality, security, data handling and our engineering standards. ...

Backend Rails Engineer — Payments Platform

Location
Greater London, England, United Kingdom
Commerce is seeking a Software Engineer to design, implement, and maintain Ruby on Rails services for the payments offering on the BigCommerce platform. You will ensure production-grade quality with tests, instrumentation, and documentation. You will troubleshoot live traffic issues, optimize performance, and collaborate with product ...

Senior Frontend Engineers (React/React Native)

Location
Greater London, England, United Kingdom
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 ...

API Engineer

Location
Greater London, England, United Kingdom
Uphold our high engineering standards, improving tooling and processes where necessary. Design, build and maintain best-in-class APIs and services. Contribute to our Ruby on Rails monolith and take an active part in breaking down our monolith towards a more distributed system. Be comfortable juggling multiple … languages - we're currently using Ruby, Go, Typescript and some Elixir. Depending on your team you might get in touch with some or all of these languages. You don't need to have deep expertise in all of our languages, we will give you plenty of room ...

Product Engineer Placement (6 Months)

Location
Greater London, England, United Kingdom
incident.io, so we care about polish as much as we care about speed. You'll work in Go, TypeScript with React, and Postgres, deployed on Google Cloud using GKE and Cloud SQL. Infrastructure is Terraform, with BigQuery, PubSub and Cloud Storage in the mix. Sentry, Grafana + Prometheus … Kibana for monitoring, CircleCI for testing and deploys. You won't know all of that on day one, and nobody expects you to. Over the past year we've built some of the most ambitious AI-native features in our space- agents that investigate incidents, explain what's happening ...

Senior Software Engineer - SaaS, Rails/React, Cloud-Scale

Location
Greater London, England, United Kingdom
Cash Forecasting team. You will design, build, and maintain backend services and APIs for a multi-tenant SaaS platform, with occasional frontend work in Ruby on Rails and React. You will own the data layer with PostgreSQL, ensure test coverage with RSpec, and deploy via Docker on ...

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 ...

Lead DevSecOps Engineer

Location
Greater London, England, United Kingdom
Location: UK, Netherlands, or Remote (Europe) Tech Stack: AWS (Fargate/ECS), GCP, Ruby on Rails, Angular, PostgreSQL, Terraform, Datadog About Tech at Bloom & Wild Group We’re Europe’s largest direct-to-consumer flower and gifting business (incorporating Bloom & Wild, bloomon, and Bergamotte). Our 65+ … engineer. You’ll split your time roughly between: Strategic Security Roadmap & Governance: Defining priorities (OWASP SAMM audits), managing vendors, responsible disclosures, and advising leadership on risk trade-offs with commercial clarity. Shift-Left Controls & Developer Experience: Partnering with DX to build security into CI/CD pipelines (code/ ...

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 ...

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 ...

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
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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
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 ...

Remote Backend Engineer - Kotlin Microservices & Rails

Location
Greater London, England, United Kingdom
scalable Kotlin microservices and PostgreSQL-backed systems. You should have a STEM degree with experience in a mature engineering team, plus practical Kotlin and Ruby exposure and strong database skills; a proactive, detail-oriented mindset is essential. #J-18808-Ljbffr ...

Pre-sales Director RI

Location
Greater London, England, United Kingdom
Sapiens is on the lookout for a Pre-Sales Engineer/Consultant, Reinsurance (RI) to become a key player in our Global Sales team. From understanding and identifying customer requirements and pain points, to pitching and demoing current solution offerings, to preparing proposals, the Pre-Sales Engineer/Consultant … Delivering business-oriented presentations to all levels of the customer organization including board level. Leading the benefits assessment process and developing customized ROI/ROR analysis. Architecting solutions to address customer’s business requirements. Preparation, configuration and delivery of demonstrations, proof of concepts and hands‐on experiences (pilots). ...