1 to 25 of 50 Ruby Jobs in the City of London

cross-functional teams using Agile methodologies. Rapidly prototype new ideas while ensuring scalability and robustness for production systems. Technical Skills Programming Languages: Java, Python, C#, C/C++, JavaScript, Ruby Web Technologies: React, Webpack, SCSS, Node.js, AngularJS Protocols: HTTP, TCP/IP, UDP, SMTP, DNS API Development: REST, SOAP, RPC, RMI Architectures: Microservices, Cloud-Native, Federated Modules, Micro-frontends Mobile More ❯

Ruby Developer £500-£550 per a day - Inside IR35 3-6 Month Contract Remote Working We are seeking an experienced Ruby Developer to join our growing government clients. This is an excellent opportunity to contribute to significant projects, working on complex systems and delivering high-quality solutions. Key Responsibilities: Design, develop, and maintain high-performance, scalable applications using Ruby on … of continuous improvement. Troubleshoot, debug, and upgrade existing systems. Contribute to the entire application lifecycle, focusing on coding, debugging, and testing. Essential Skills & Experience: Strong commercial experience as a Ruby Developer, with a proven track record of delivering complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific backend More ❯

with occasional monthly collaboration days) Are you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages such as Python, Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform such as AWS, Google Cloud and have a good understanding of cloud infrastructure? Experienced working with Containers and Orchestration tools such as Docker … we are looking for engineers that have the ability to work across a range of tooling in the following areas: Programming: with at least one language; Go, Java, Python, Ruby, TypeScript etc Cloud: Either AWS, GCP, Azure Container/Orchestration: Docker, Kubernetes IAC: Terraform, Cloud Formation, CrossPlane, Ansible (Config Mgt) CI/CD: CircleCI, GitHub Actions, Jenkins, etc The Role More ❯

with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD More ❯

Job Title: Senior Ruby on Rails Developer (Backend) Location: London (Hybrid – 1 day per week in office) Salary: Up to £90,000 - 100,000 Contract Type: Full-time, Permanent Working Hours: Fully flexible hours About the Role We’re looking for a Senior Ruby on Rails Developer to join my clients team and take ownership of backend development across our … platform. This is a fantastic opportunity for someone who thrives in a mature, autonomous environment and enjoys contributing to both code and culture. You’ll be working with Ruby on Rails as your primary language, with opportunities to apply your Python knowledge where needed. We’re hosted on AWS, and experience with cloud infrastructure is a big plus. You’ll … collaborative, and chatty team that values proactive communication, problem-solving, and a sense of humour. What You’ll Do Lead the design and development of scalable backend services using Ruby on Rails Build and maintain RESTful APIs to support web and mobile platforms Apply best practices for code quality, testing, and deployment Collaborate closely with product managers, designers, and DevOps More ❯

based on experience) Bonus : Up to 15% Pension : Up to 10% Amazing Holiday Allowance : + bank holidays Birthday Off Private Healthcare Comprehensive Pension Plan 🌳 Tech Stack 🌳 Languages: Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies More ❯

with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on-Rails, Java, Python, C# 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD More ❯

embracing new tech. You dont have to have all the languages but just some and you will be taught the rest, Strong object orientated design is a must. Languages : 🌳 Ruby-on-Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD More ❯

Engineering Management and above roles London-based, with flexibility for travel . Strong technical background: Two or more popular web development programming languages (C#, JS/TS, Python, Java, Ruby, PHP) One or more cloud providers (AWS, Azure, GCP) Containerisation technologies Knowledge of microservices and event-driven architecture. CI/CD, pipelines development, Infrastructure As a Code Monitoring and alerting More ❯

Senior Ruby Developer - Up to £100,000 - SaaS Salary: Paying £70,000 - £100,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer base and … now tackling problems of scale, performance, and innovation head-on. They take great pride in the company culture they've built with low attrition across the board. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more, moving fast with interviews (Senior Ruby Developer). Senior Ruby Developer - Paying Up More ❯

Engineers who have scaleup and startup experience, who can go to their office in central London, 3 days a week. They are technology agnostic - considering various backend technologies including Ruby, PHP, Python and C#, with JavaScript on the frontend. They are looking for backend-focused or full-stack developers. They have a very competitive budget of £70,000-110k More ❯

infrastructure. You will work in both a project and BAU capacity, automating wherever possible. Core skills required: Linux Terraform/Ansible Kubernetes, Docker, or Podman CI/CD Python, Ruby or Go Desirable skills: IaC – Terraform, Helm, Ansible, Pulumi, Bicep AWS or GCP DR Block/Blob Storage HPC Please apply ASAP for more information. More ❯

Design intuitive, reliable user experiences — apply a keen eye for detail and modern design principles to create polished, user-friendly interfaces. About You Proven experience in either Python, Go, Ruby or C# PostgreSQL & AWS Strong analytical and problem-solving skills Excellent communication and interpersonal abilities Ability to thrive in a fast-paced, collaborative environment Nice to have CI/CD More ❯

Android). As a Senior Full Stack Developer 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 design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as well as writing and optimising More ❯

Ruby Developer - Up to £75,000 - SaaS Salary: Paying £55,000 - £75,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer base and are … of scale, performance, and innovation head-on. They take great pride in the company culture they've built with low attrition across the board. Backend focused role. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more Ruby Developer. Ruby Developer - Paying Up to £75,000 - SaaS More ❯

Senior Ruby Developer in Shoreditch I am currently looking for a Senior Ruby Developer to join a stable bootstrap business based in central London. With a competitive salary of up to £95k for an office-based position, they have a great team culture due to their tight-knit and dynamic team. This role has a very good opportunity for growth … What We're Looking For: Ruby expert: Do you have 5+ years of hands-on experience with Ruby Frontend: Proficiency in React, and JavaScript (Nice to have, but they are happy to consider backend focused developers.) Great communication skills - able to work closely in a small team and contribute with new ideas They also have a number of great perks More ❯

Ruby Developer - FinTech - Up to 55k I’m working exclusively with a scaling fintech client (so you won't hear this via another recruiter) who are expanding their footprint in the market. They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team 📊 💸 Salary: £45,000 – £55,000 🏢 Working Arrangements : Hybrid in London (3 days a … week in the office) 💻 Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS This is a backend focused role although any frontend experience is a bonus. It's a great opportunity to work on exciting projects in an environment which will support you and help you grow as an engineer. You will also be working very closely with their … customers and this is experience that they really value. If this is of interest, please get in touch ASAP - will be moving quickly!! Ruby Developer - FinTech - Up to 55k More ❯

Ruby Developer - FinTech - Up to 50k I’m working exclusively with a scaling fintech client (so you won't hear this via another recruiter) who are expanding their footprint in the market. They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team 📊 💸 Salary: £45,000 – £50,000 🏢 Working Arrangements: Hybrid in London (3 days a … week in the office) 💻 Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS This is a backend focused role although any frontend experience is a bonus. It's a great opportunity to work on exciting projects in an environment which will support you and help you grow as an engineer. You will also be working very closely with their … customers and this is experience that they really value. If this is of interest, please get in touch ASAP - will be moving quickly!! Ruby Developer - FinTech - Up to 50k More ❯

Exciting Opportunity for Senior Full Stack Ruby Developers in the UK! - Tech for Good I am working exclusively with a client in the Edtech space looking to expand their stable and growing team! We are looking for someone who is technically capable with good soft skills who would be interested in working for a company with a great mission. Position … Senior Full Stack Ruby Developer Location: UK Salary: Up to £80,000 per annum About the Company: Join a stable and profitable EdTech platform that is the market leader for their niche with plans to expand its product offering. Tech Stack: Ruby on Rails React (nice to have) AWS Key Requirements: Strong communication skills Proven experience in mentoring junior developers More ❯

Full Stack Ruby Tech Lead Location: Central London (2 days a month in-office) Salary: Up to £90,000 About Us: My client works in the healthtech space, dedicated to transforming healthcare through cutting-edge technology. Role Overview: We are seeking a talented and experienced Full Stack Ruby Tech Lead to join their team. In this role, you will lead … the development of our healthtech solutions, working with a modern tech stack that includes Ruby on Rails, AWS, and React/TypeScript. You will play a crucial role in shaping the future of our products and ensuring they meet the highest standards of quality and performance. Key Responsibilities: Lead and mentor a team of developers, fostering a collaborative and innovative … environment. Design, develop, and maintain robust and scalable web applications using Ruby on Rails. Utilise AWS for cloud infrastructure and services. Implement front-end features with React and TypeScript. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality More ❯

Back End Developer (Java/Ruby on Rails/Spring/SQL/Python) My global fintech client is looking for a strong back end developer to join their ever expanding dev team on a permanent basis. Here are the technical requirements for the role: Essential Skills Java, MS SQL, Spring, SpringBoot, Jpa Ruby On Rails and or TypeScript within More ❯

in Computer Science or equivalent work experience 5+ years in web, software, or mobile app development Proficiency in Java and at least one of: JavaScript, .NET, PHP, Node.js, Python, Ruby on Rails Experience with REST and GraphQL APIs and web service consumption Knowledge of QuickBooks is highly desirable Background in small business or consumer finance is a plus This is More ❯

For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a passion for building More ❯

For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and teams) in fast-paced, innovative environments Strong decision-making skills and a passion for building More ❯

Role: DevOps Engineer Location: London, UK Hybrid Opening (2-3 days onsite) Permanent opening • Bachelor or master's degree in Computer Science or equivalent • Experience in one or more of the following is preferred: Java, Python, Go, Groovy, Perl or More ❯