626 to 650 of 1,029 Ruby Jobs

As a Ruby Developer, you’ll be responsible for writing clean, modern code that adheres to best practices. We’re looking for a self-motivated individual who takes pride in their work, values high-quality code, and cares deeply about the overall application experience. We pride ourselves on having very high test coverage and rarely having any prod issues. Our … backend follows a microservices architecture, consisting of multiple small services—primarily built with Ruby—that collectively power the user experience. This role may have on-call responsibilities. Responsibilities: Design, build, and maintain scalable and efficient Ruby applications. Develop new features and maintain existing code while ensuring high performance and responsiveness. Write clean, maintainable, and efficient code following best practices. Optimize … development environments. Work closely with product managers, designers, and other engineers to translate business requirements into technical solutions. Stay up-to-date with emerging technologies and best practices in Ruby development. Requirements: 5+ years of experience with Ruby (bonus points for React) Strong knowledge of SQL databases, query optimizations Excellent problem-solving and debugging skills Experience with RESTful APIs, microservices More ❯

Social network you want to login/join with: Senior Ruby Engineer, portsmouth, hampshire col-narrow-left Client: Tembo Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 18 Posted: 27.06.2025 Expiry Date: 11.08.2025 col-wide Job Description: About the company Tembo is making the dream of ownership possible for a … read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

read more about us and our mission on our website: https://www.tembomoney.com/our-mission About the job Tembo is on the lookout for a passionate Senior Ruby Engineer to join the savings team. We recently launched a Cash ISA proposition to the market, powered by our proprietary savings technology and things have taken off in a big … continued scale and build tools to allow operations teams to self serve on all of their needs. Key Responsibilities: Service Creation: Design and develop resilient, scalable backend services in Ruby that power critical real-money systems, ensuring reliability and consistency in high-stakes environments. Feature Development: Lead and contribute to the full lifecycle of product features—from ideation to deployment … issues in high-volume transactional environments. Implement effective monitoring and alerting to catch anomalies before they impact users. Code Reviews and Best Practices: Champion clean, maintainable, and well-tested Ruby code. Conduct detailed code reviews, mentor junior engineers, and foster a strong engineering culture built on quality and accountability. Cross-Functional Collaboration: Partner with product managers, QA, and design teams More ❯

QuantHub is looking for a seasoned Director of Engineering to drive the strategy, growth, and operational excellence of our engineering function. This leader will bring extensive experience in Ruby on Rails, GitLab, and CI/CD pipelines, with a progressive approach to AI-driven code generation. As a core member of QuantHub's leadership team, this individual will play a … at least 3 years in a senior leadership role (Director level or above), managing cross-functional teams in a fast-paced, high-growth environment. Technical Proficiency: Deep expertise in Ruby on Rails, GitLab, and CI/CD pipelines, with active use of AI-driven coding tools. Strategic Vision: Demonstrated ability to align engineering strategies with organizational goals, making data-driven More ❯

QuantHub is looking for a seasoned Director of Engineering to drive the strategy, growth, and operational excellence of our engineering function. This leader will bring extensive experience in Ruby on Rails, GitLab, and CI/CD pipelines, with a progressive approach to AI-driven code generation. As a core member of QuantHub’s leadership team, this individual will play a … at least 3 years in a senior leadership role (Director level or above), managing cross-functional teams in a fast-paced, high-growth environment. Technical Proficiency: Deep expertise in Ruby on Rails, GitLab, and CI/CD pipelines, with active use of AI-driven coding tools. Strategic Vision: Demonstrated ability to align engineering strategies with organizational goals, making data-driven More ❯

and leading the delivery by helping pull everyone together to get it shipped. Mentoring colleagues to help them grow as engineers and actively supporting their development. Working on our Ruby on Rails monolith, building data models, APIs, and business logic services. Delivering your work using agile methodologies and tools like tests, observability, AB-tests, and feature flags. Analyzing data to … As this is a SE3-SE4 position as described in our public progression framework we're looking for someone who has at least 4 years of industry experience using Ruby on Rails. If it's not quite that much, maybe you want to look at our standard Backend role. What do you get for all your hard work? A competitive More ❯

My client is based in Central London, Fully Remote. The role entails work as a Java Engineer or Java Developer with experience in React.JS, Growth, Javascript, CSS, HTML, Frontend, Ruby, Ruby on Rails, Linux, REST, and Javascript. This is a remote opportunity for a Java Developer in the fintech sector. More ❯

seeking a passionate JavaScript Engineer with expertise in React.js. The ideal candidate should have a strong background in JavaScript, CSS, and HTML, with exposure to Frontend technologies such as Ruby, Java, Ruby on Rails, CSS, HTML5, Linux, REST, and JavaScript frameworks. This position offers a competitive salary of up to £90,000. JavaScript/Node.js Developer Opportunity Quant Capital is More ❯

at Cleo and one of our most impactful - directly driving user experience, growth, and profitability. Your primary focus will be integrating ML-driven credit and eligibility models into our Ruby on Rails monolith. These models, written in Python by ML engineers and data scientists, require robust, scalable integration patterns; you’ll own the productionisation of those services: from data ingestion … outputs cleanly, help debug behavioral anomalies, and ensure that stakeholders have the tooling they need to understand how decisions are made. You’ll also be part of our wider Ruby chapter, working across our Ruby monolith to improve it for both our users as well as your fellow engineers. What We’re Looking For You’re a backend engineer who … s comfortable working in technically complex domains - particularly those involving machine learning, financial decisioning, or large-scale data systems. You're proficient in Ruby and have experience building and maintaining production systems that interface with machine learning models, data pipelines, or high-throughput decision engines. Exposure to Python and ML concepts is a plus, but deep ML knowledge isn’t More ❯

delivering changes to production over 100 times a month . Speed and safety go hand in hand here — supported by a mature, CI/CD-first mindset. The Tech Ruby , Rails , Ember , JavaScript , Postgres , AWS With exposure to Node.js , TypeScript , C# , and .NET in other squads And emerging AI tooling already being trialled across the organisation What you’ll do … architecture — you roll up your sleeves and build . You’ve guided squads, influenced strategy, and bridged the gap between business needs and engineering priorities. You’ve worked with Ruby/Rails , but you’re curious beyond your comfort zone. And you don’t need micromanaging — you thrive on autonomy . The offer: £120,000 base (possibly more for the More ❯

our operations capabilities. - Be part of a global team and participate in periodic on-call responsibilities to ensure the continuous monitoring and remediation of vulnerabilities. - Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language and SQL BASIC QUALIFICATIONS - Bachelor's degree in computer science or equivalent - Knowledge of networking protocols such as HTTP, DNS … and TCP/IP - Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language - 5 years security engineering experience in system, network, and/or application security - 5 years experience developing vulnerability assessment tests with Python or Java. - 5 years experience improving accuracy of vulnerability detection mechanisms across a diverse technical ecosystem - 3 years experience More ❯

month ago London, England, United Kingdom 1 week ago Greater London, England, United Kingdom 3 hours ago London, England, United Kingdom 1 week ago Mid - Senior level Full Stack Ruby developer - React Mid Level Full Stack Ruby React Developer London, England, United Kingdom 3 months ago We’re unlocking community knowledge in a new way. Experts add insights directly into More ❯