51 to 75 of 75 Ruby Jobs in Hertfordshire

Senior Full Stack Ruby/React developer Location: Central London (2 times a month) Salary: £70-85k + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an low turnover rate within the … looking for a talented Mid-Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain web applications using Ruby and React. Collaborate with cross-functional teams to … ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Requirements: 6+ years of experience in Ruby development. Proficiency in React. Strong understanding of web development principles. Excellent problem-solving skills and attention to detail. Ability to work in Central London twice More ❯

re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part of a collaborative … a high-impact product used by technical teams worldwide. Location: Fully Remote Term: Perm Salary: £70k + Key Skills: 5+ years of hands-on Ruby on Rails experience Strong with Git, CI/CD, and collaborative workflows Confident writing tests (RSpec, Capybara) and monitoring production systems Solid AWS, Docker, and More ❯

re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part of a collaborative … a high-impact product used by technical teams worldwide. Location: Fully Remote Term: Perm Salary: £70k + Key Skills: 5+ years of hands-on Ruby on Rails experience Strong with Git, CI/CD, and collaborative workflows Confident writing tests (RSpec, Capybara) and monitoring production systems Solid AWS, Docker, and More ❯

re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part of a collaborative … a high-impact product used by technical teams worldwide. Location: Fully Remote Term: Perm Salary: £70k + Key Skills: 5+ years of hands-on Ruby on Rails experience Strong with Git, CI/CD, and collaborative workflows Confident writing tests (RSpec, Capybara) and monitoring production systems Solid AWS, Docker, and More ❯

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 … 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 … 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 More ❯

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 … 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 … 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 More ❯

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 … 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 … 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 More ❯

Mid level Full Stack Ruby developer - React Location: Central London (2 times a month) Salary: £60,000 + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an our low turnover rate within the … looking for a talented Mid-Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain web applications using Ruby and React. Collaborate with cross-functional teams to … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Requirements: 3-5 years of experience in Ruby development. Proficiency in React. Strong understanding of web development principles. Excellent problem-solving skills and attention to detail. Ability to work in Central London twice More ❯

Mid level Full Stack Ruby developer - React Location: Central London (2 times a month) Salary: £60,000 + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an our low turnover rate within the … looking for a talented Mid-Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain web applications using Ruby and React. Collaborate with cross-functional teams to … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Requirements: 3-5 years of experience in Ruby development. Proficiency in React. Strong understanding of web development principles. Excellent problem-solving skills and attention to detail. Ability to work in Central London twice More ❯

Mid level Full Stack Ruby developer - React Location: Central London (2 times a month) Salary: £60,000 + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus, they have an our low turnover rate within the … looking for a talented Mid-Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain web applications using Ruby and React. Collaborate with cross-functional teams to … new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Requirements: 3-5 years of experience in Ruby development. Proficiency in React. Strong understanding of web development principles. Excellent problem-solving skills and attention to detail. Ability to work in Central London twice More ❯

Job Title: Senior Full Stack Ruby on Rails Developer (B2C SaaS) x 3 Location : Fully Remote (UK & EU Based Candidates Only) Salary : this is very dependant based on the candidate as there is 3 roles, but a budget of roughly £70-100k. About Them My client are a fast … growing B2C SaaS company, expanding their development team to accelerate the delivery of exciting new features. They’re looking for passionate, talented Senior Ruby on Rails Developers to join our dynamic team and help us scale our platform. If you're a self-motivated problem-solver who thrives in a … collaborative, fast-paced environment, this is the perfect opportunity for you! Role As a Senior Ruby on Rails Developer, you will be working on full-stack development, with a particular focus on building high-quality, scalable web and mobile applications. You’ll be joining a small, close-knit team and More ❯

Job Title: Senior Full Stack Ruby on Rails Developer (B2C SaaS) x 3 Location : Fully Remote (UK & EU Based Candidates Only) Salary : this is very dependant based on the candidate as there is 3 roles, but a budget of roughly £70-100k. About Them My client are a fast … growing B2C SaaS company, expanding their development team to accelerate the delivery of exciting new features. They’re looking for passionate, talented Senior Ruby on Rails Developers to join our dynamic team and help us scale our platform. If you're a self-motivated problem-solver who thrives in a … collaborative, fast-paced environment, this is the perfect opportunity for you! Role As a Senior Ruby on Rails Developer, you will be working on full-stack development, with a particular focus on building high-quality, scalable web and mobile applications. You’ll be joining a small, close-knit team and More ❯

Job Title: Senior Full Stack Ruby on Rails Developer (B2C SaaS) x 3 Location : Fully Remote (UK & EU Based Candidates Only) Salary : this is very dependant based on the candidate as there is 3 roles, but a budget of roughly £70-100k. About Them My client are a fast … growing B2C SaaS company, expanding their development team to accelerate the delivery of exciting new features. They’re looking for passionate, talented Senior Ruby on Rails Developers to join our dynamic team and help us scale our platform. If you're a self-motivated problem-solver who thrives in a … collaborative, fast-paced environment, this is the perfect opportunity for you! Role As a Senior Ruby on Rails Developer, you will be working on full-stack development, with a particular focus on building high-quality, scalable web and mobile applications. You’ll be joining a small, close-knit team and More ❯

Junior - Mid-Ruby Developer (Hotwire/Stimulus/Turbo) - up to £60,000 - 3 Roles! 🌟 Fully Remote Ruby on Rails Developer Opportunity 🌟 Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is … looking to hire up to 3 developers across Mid - Senior level! Role: Ruby on Rails Developer Location: Fully Remote Salary: £40-60k What We’re Looking For: 2+ years of Ruby on Rails Expertise: You’ll be working with Rails to build robust, scalable applications. Hotwire, Stimulus, and Turbo More ❯

Junior - Mid-Ruby Developer (Hotwire/Stimulus/Turbo) - up to £60,000 - 3 Roles! 🌟 Fully Remote Ruby on Rails Developer Opportunity 🌟 Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is … looking to hire up to 3 developers across Mid - Senior level! Role: Ruby on Rails Developer Location: Fully Remote Salary: £40-60k What We’re Looking For: 2+ years of Ruby on Rails Expertise: You’ll be working with Rails to build robust, scalable applications. Hotwire, Stimulus, and Turbo More ❯

Junior - Mid-Ruby Developer (Hotwire/Stimulus/Turbo) - up to £60,000 - 3 Roles! 🌟 Fully Remote Ruby on Rails Developer Opportunity 🌟 Are you a Ruby Developer who is interested in using the latest technology with Rails using Hotwire, Stimulus and Turbo? I am currently representing a client who is … looking to hire up to 3 developers across Mid - Senior level! Role: Ruby on Rails Developer Location: Fully Remote Salary: £40-60k What We’re Looking For: 2+ years of Ruby on Rails Expertise: You’ll be working with Rails to build robust, scalable applications. Hotwire, Stimulus, and Turbo More ❯

directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior … pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy More ❯

directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior … pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy More ❯

directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior … pain points and improve the product Improving developer workflows, testing practices, and engineering processes You’ll Thrive Here If You... Have deep experience in Ruby on Rails Are confident with React Native Communicate complex ideas simply and clearly — both in code and conversation Value user needs over technical perfection Enjoy More ❯

bug fixes for our most high-profile customers. Homeflow developers must be willing to learn and to keep ahead of emerging technologies (particularly in Ruby on Rails). We encourage an environment where all team members are at ease asking for help (and helping others). Because of the highly … maintenance Continuous improvement of codebase and documentation Actively contributing to team meetings We’re looking for someone who has: 5 years' professional experience with Ruby on Rails Experience with MySQL and PostgreSQL A firm grasp and understanding of test-driven development fundamentals (particularly RSpec) Experience with service based architectures, API More ❯

bug fixes for our most high-profile customers. Homeflow developers must be willing to learn and to keep ahead of emerging technologies (particularly in Ruby on Rails). We encourage an environment where all team members are at ease asking for help (and helping others). Because of the highly … maintenance Continuous improvement of codebase and documentation Actively contributing to team meetings We’re looking for someone who has: 5 years' professional experience with Ruby on Rails Experience with MySQL and PostgreSQL A firm grasp and understanding of test-driven development fundamentals (particularly RSpec) Experience with service based architectures, API More ❯

bug fixes for our most high-profile customers. Homeflow developers must be willing to learn and to keep ahead of emerging technologies (particularly in Ruby on Rails). We encourage an environment where all team members are at ease asking for help (and helping others). Because of the highly … maintenance Continuous improvement of codebase and documentation Actively contributing to team meetings We’re looking for someone who has: 5 years' professional experience with Ruby on Rails Experience with MySQL and PostgreSQL A firm grasp and understanding of test-driven development fundamentals (particularly RSpec) Experience with service based architectures, API More ❯

I'm on the lookout for a talented ruby developer who is not only proficient in backend development but also has hands-on experience with AI tools and technologies. You'll work closely with our product and AI teams to build scalable, intelligent applications that serve thousands of users. Responsibilities … Design, develop and maintain robust backend systems using Ruby (Rails or Sinatra) Integrate AI and machine learning tools/APIs into our applications (e.g. OpenAI, Hugging Face, TensorFlow or custom models) Collaborate with frontend developers, data scientists and product managers to deliver end to end features Optimise performance and scalability More ❯

I'm on the lookout for a talented ruby developer who is not only proficient in backend development but also has hands-on experience with AI tools and technologies. You'll work closely with our product and AI teams to build scalable, intelligent applications that serve thousands of users. Responsibilities … Design, develop and maintain robust backend systems using Ruby (Rails or Sinatra) Integrate AI and machine learning tools/APIs into our applications (e.g. OpenAI, Hugging Face, TensorFlow or custom models) Collaborate with frontend developers, data scientists and product managers to deliver end to end features Optimise performance and scalability More ❯

I'm on the lookout for a talented ruby developer who is not only proficient in backend development but also has hands-on experience with AI tools and technologies. You'll work closely with our product and AI teams to build scalable, intelligent applications that serve thousands of users. Responsibilities … Design, develop and maintain robust backend systems using Ruby (Rails or Sinatra) Integrate AI and machine learning tools/APIs into our applications (e.g. OpenAI, Hugging Face, TensorFlow or custom models) Collaborate with frontend developers, data scientists and product managers to deliver end to end features Optimise performance and scalability More ❯