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 ❯

WHAT YOU'LL BRING: Proven experience in AWS, Azure, or other Cloud platforms. Understanding of git, CI/CD, release strategies, and pipelines. Experience with scripting languages like Bash, Ruby, or Python. Experience with Unix and Windows environments. Ability to guide teams on deployment practices and automation. Effective communication skills. Ability to work independently and manage multiple priorities. Experience mentoring More ❯

Senior/Staff Ruby on Rails Developer – Remote (UK-Based) – Up to £110K Are you an experienced Ruby on Rails developer who thrives in fast-moving, engineering-led environments? We’re working on large-scale, high-traffic systems and looking for someone who can architect, optimise, and scale backend infrastructure - while writing clean, maintainable code. You’ll join a product … shares Fully remote within the UK (London HQ) A high-ownership role in a small, senior engineering team Large-scale traffic and data challenges with meaningful impact Modern stack: Ruby on Rails, React, PostgreSQL, Redis, AWS, Docker, Kubernetes Key Responsibilities: Architecting and optimising scalable backend systems in Ruby on Rails Designing and maintaining clean, efficient APIs and integrations Improving performance … database efficiency at scale Contributing to long-term technical decisions and platform direction Collaborating closely with product, DevOps, and other engineers What We’re Looking For: 6+ years of Ruby on Rails experience in production Strong grasp of system architecture, performance, and scalability Experienced in designing & maintaining APIs Comfortable with CI/CD, Docker, and cloud services (AWS preferred) Comfortable More ❯

Job Title : Senior Software Engineer (Ruby on Rails) Location: London/Remote/Hybrid Job Status: Permanent/Full-time About us B4B Payments is a multi-award-winning, global financial services technology company offering an advanced transaction payments platform and APIs for emerging payments and financial services. Our flexible technology and comprehensive services include embedded finances, payment accounts, FX … as they accelerate the digitalisation of their customer and supply-chain. About the role We're looking for a UK based, experienced Software Engineer with a deep knowledge of Ruby on Rails to join our friendly, well organised and product led dev team here at B4B Payments. You'll be working closely with a product owner to deliver accurate, reliable 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 ❯

Title: Full stack engineer III Location: UK remote Duration: 12 months As Full Stack Engineer, you will work in small teams in a highly collaborative way, use the latest technologies and enjoy seeing the direct impact from your work. Our More ❯

once a month will be fully covered. Benefits Package Basic Salary : £75,000 - £100,000 (based on experience) Bonus : Up to 15% Pension : Up to 10% Birthday Off Languages: Ruby-on-Rails, Java, Python, C#, VueJs, Typescript/Angular/React Cloud: Amazon Web Services (AWS) Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum More ❯

work in an Agile environment Experience with Microsoft SQL. Experience with ETL Tools and Data Migration. Experience with Data Analysis, Data mapping and UML. Experience with programming languages (Python, Ruby, C++, PHP, etc). The ability to work with large datasets across multiple platforms with confidence. A systematic and analytical approach to problem solving with the ability to communicate technical 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 ❯

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 : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies 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 ❯

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 ❯

practices and implement scalable solutions. Essential Strong expertise in Chef Infra, Chef Automate, and Chef Inspec for large-scale environments. Solid experience with Unix/Linux and scripting languages (Ruby, Python, PowerShell, YAML). Proven track record of managing and updating IaC configurations and Inspec profiles. Experience with CI/CD pipelines and cloud platforms such as AWS, Azure, or 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 ❯

About the projects: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in 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 ❯

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 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 ❯

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 ❯

Technical Team Lead (60% hands-on) - Ruby on Rails This full time long term role has just come on the market and is a fantastic opportunity for a friendly and experience leader who has line management experience ✨ They're open to interviewing a range of backgrounds whether you're a hands-on Engineering Manager right now, a Tech Lead or … be for you. You will be supporting the team as they embark on building a new booking engine for their platform and completing the transition away from .NET to Ruby on Rails version 8, which is well underway. Essentials: Hands-on Ruby on Rails experience in your career is essential as you will be mentoring and helping the backend Engineers … level Engineers and they really need more experience on the squad, which is where you come in. 6 direct reports. 4 in London consisting of 2 back end using Ruby & 2 front end using Next.js. 2 backend devs in South Africa who are maintaining the previous system built in .NET whilst the transition to Ruby on Rails is finalised. Hybrid More ❯

Social network you want to login/join with: London - Tech for good opportunity! - Health Tech - Senior Product Engineer (Ruby, PHP, Python and C#) Full Stack/Backend - 2 roles available - Up to £100k+, London (City of London) col-narrow-left Client: Opus Recruitment Solutions Location: London (City of London), United Kingdom Job Category: Other - EU work permit required: Yes More ❯

From pair-programming and code reviews to automated testing , we prioritize clean code over over-engineering. Here’s a glimpse into our cutting-edge tech stack : Back-end: PHP, Ruby on Rails, Python (AWS Lambdas) Front-end: React, VueJs, TypeScript, Angular Databases: PostgreSQL, DynamoDB CI/CD & Cloud: Semaphore, Heroku, AWS Infrastructure 🌐 As part of our team, you’ll have … a company committed to putting people and the planet first . Seniority Level Mid-Senior level Industry Information Services Employment Type Full-time Job Functions Information Technology Skills PHP Ruby on Rails Full-Stack Developm More ❯