13 of 13 Permanent Ruby Jobs in Central London

Build modern React interfaces + well-structured TypeScript code Develop backend services in Go (happy to look at people from Node, Go, Java, C#, Ruby or Python backend) who are willing to cross train to Go Design & consume RESTful APIs + microservice components Contribute to system performance, reliability, observability About ...

preferably AWS), including Infrastructure as Code, networking, and security. Deep understanding of secure system design, authentication patterns, and observability. Familiarity with languages such as Ruby, Python, or Java, and modern practices (CI/CD, TDD, containerisation). Proven ability to influence senior stakeholders and guide technology decisions. Strong knowledge ...

OpenShift) Infrastructure-as-Code (Terraform, Ansible, Crossplane) Container orchestration, networking, and automation (Kubernetes, Docker) Scripting (Bash, Powershell, Python) Programming languages (Golang, Java, Ruby, Python) Vulnerability remediation and mitigation tools (BlackDuck, Snyk) We value your ability to adapt over deep specialization. In addition, we're currently seeking folks with strong experience ...

delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially ...

Ruby Developer Hybrid 2 days a week (Central London) Ruby Developer - £90,000 - £105,000 + Monthly bonus Ruby Developer - would you like the opportunity to work within a leading SaaS organisation with a presence across the UK and Europe? The Company A market leading SaaS organisation going through … focus on Ruby. They have offices in central London and meet up 2 days a week (Tuesdays and Thursdays) Requirements Strong background in Ruby Modern JavaScript – Hotwire/Turbo/Stimulus A keen interest in AI to increase development speed Experience with CI/CD Knowledge of cloud based technologies ...

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 ...

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 ...

Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising … experience with JavaScript, Angular or React You have a strong understanding of REST APIs and real-time systems You're comfortable working with legacy Ruby You have a strong knowledge of software engineering best practices and Agile development methodologies You're collaborative and pragmatic with great communication skills, happy ...

Role: Senior Ruby Engineer Location: Remote (UK-based) Salary: £70,000–£85,000 DOE Are you passionate about building impactful technology in the education sector? I’m partnering exclusively with a leading EdTech company that’s transforming how future doctors learn and succeed. With a stable product, strong market position … collaborative team, they’re expanding their product suite and investing in tech to scale even further. What You’ll Be Working With Backend: Ruby on Rails Frontend: React (Nice to have/willingness to learn) Infrastructure: AWS What They’re Looking For Solid experience with Ruby in production environments Strong ...

Role: Senior Ruby Engineer Location: Remote (UK-based) Salary: £70,000–£85,000 DOE Are you passionate about building impactful technology in the education sector? I’m partnering exclusively with a leading EdTech company that’s transforming how future doctors learn and succeed. With a stable product, strong market position … collaborative team, they’re expanding their product suite and investing in tech to scale even further. What You’ll Be Working With Backend: Ruby on Rails Frontend: React (Nice to have/willingness to learn) Infrastructure: AWS What They’re Looking For Solid experience with Ruby in production environments Strong ...

Senior Ruby on Rails Engineer, London, £90,000 - £105,000 + Bonus We’re working with a growing SaaS company solving one of ecommerce’s biggest barriers—buyer trust. Their platform quietly supports hundreds of thousands of retailers and millions of online purchases every month. Growing organically year-on-year … well over 100 countries by focusing on product quality, speed, and developer-led innovation. The Senior Software Developer (Full‐stack) will work across Ruby on Rails, JavaScript, SQL, and AWS to deliver high-quality solutions with purpose. You’ll own meaningful product features end to end, improve engineering systems from ...

Senior - Lead level Ruby Engineer - Fast-paced growing startup! Location: Central London (3 times a week) Salary: £90-100k + equity depending on experience About my client: My client is a Tech for Good SaaS startup that is investment-backed and profitable. They are looking to scale their small … Lead/Staff/Principal level - as long as you are still open to being hands-on. Responsibilities: Develop and their applications using Ruby (Hotwire) Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks ...

Senior Software Engineer Full Stack - Ruby on Rails, React Up to £120k DOE Fully Remote - must be UK based A fast-growing sports tech company building high-performance, data-driven products for a rapidly expanding global audience is searching for a Senior Full Stack Engineer . This is a pivotal … engineering excellence - mentoring others, elevating standards, and collaborating closely with Product, Design, and Customer Success to build tools our customers truly value. Tech Stack: Ruby on Rails, React, React Native, GraphQL What You’ll Be Leading & Doing Drive architectural design, long-term technical vision, and scalable system patterns Lead complex ...