24 of 24 Remote/Hybrid Permanent Ruby on Rails Jobs

Senior Developer

Location
United Kingdom
Senior Ruby on Rails Engineer (Active SC) £650-£675/day Inside IR35 6 Months Predominantly Remote We are seeking a Senior Ruby on Rails Engineer to join a large-scale content transformation programme. This role goes beyond development, requiring someone who can lead … technical discovery, solve complex business challenges and help shape scalable solutions from the ground up. Key Skills: Strong Ruby on Rails experience AWS expertise CI/CD and deployment automation Solution design and technical discovery Stakeholder engagement and collaboration What You'll Do: Lead technical problem solving ...

Senior Backend Engineer, Database Excellence (Ruby)

Hiring Organisation
GitLab
Location
United Kingdom
Salary
£ 70 K
technology that transforms how the world develops software.*Fortune 500 is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune … recent move into the Data Engineering organization, you'll also shape new scalability and data health features for self-managed customers, working hands-on with PostgreSQL and Ruby on Rails in a fully remote, highly collaborative environment.Some examples of our projects:Data Growth Controls (retention enforcement ...

Senior Software Engineer ()

Hiring Organisation
Placement Services USA, Inc
Location
San Francisco, California, United States
Employment Type
Any
Salary
USD 225,000 Annual
Architect a writing agent within the AI Co-scientist product to give feedback on draft research papers, suggest changes to those papers, and ensure they're supported by their references. Contribute to shared technical capabilities across Co-Scientist products (e.g., scientific paper analysis, citation discovery, research data tools). … improve developer productivity, accelerate iteration speed, and maintain high engineering quality. Design, develop, test, and maintain production backend services and web applications using Ruby on Rails, PostgreSQL, Redis, and AWS. Build and maintain scalable APIs, background processing pipelines, and data workflows using Sidekiq and related technologies. Develop ...

Backend Engineer (Ruby), Create: Change Record

Hiring Organisation
GitLab
Location
United Kingdom, UK
Employment Type
Full-time
technology that transforms how the world develops software.*Fortune 500 is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune … code experience, for humans and agents alike. This is a backend-focused role for an engineer with full-stack experience who enjoys balancing work on existing systems with new product development. That work happens in one of GitLab's oldest and most complex product areas, where ...

Senior Quality Assurance Analyst - Remote/Hybrid (Canada)

Hiring Organisation
InfoTech Research Group
Location
London, UK
Employment Type
Full-time
them with actionable tools and expert guidance to drive measurable results and enhance technology initiatives and organizational processes. Why join us? We pride ourselves on consistent year-over-year growth, with double-digit growth even during a global pandemicWe are in the Top 3 on LinkedIn … Analysts to define test scenarios, acceptance criteria, and coverage for new features; serve as a testing advocate during sprint planning and reviewsWork with developers on the design of automated test suites and assisting them in implementing those suites. Liaise with software developers and DevOps to investigate, document, and resolve ...

Lead Software Engineer - Hardware Lifecycle

Hiring Organisation
Mentmore Recruitment
Location
Cwmbran, Torfaen, Gwent, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum
Lead Software Engineer - Hardware Lifecycle Location: Cwmbran, South Wales (hybrid, typically 1 day per week on site, with additional attendance as required) Working hours: 37.5 hours per week, with core hours and flexibility The opportunity An established technology business working in network monitoring and IoT is looking … software supports the deployment, monitoring and administration of large fleets of connected devices used in water and wastewater services. This is a hands-on leadership role combining technical direction, software development and product ownership. You will lead three direct reports and work closely with product colleagues, a designer, customers ...

Remote Java Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
this is a unique product.Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation.Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement.Review of designs/code … money doing something you are passionate about.My client is based in Central London, Fully RemoteJava Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Remote Java Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
unique product. Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation. Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement. Review of designs/code … something you are passionate about. My client is based in Central London, Fully RemoteJava Engineer, Java Developer, React. JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

NodeJS Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
2billion valuation by July 2022.Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation. Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement. Review of designs/… one. Day to Day The NodeJS Developer will: Develop, test and deploy internal and client facing responsive web applications. Prototype and build new components on top of Cloud infrastructures. Work closely with the platform engineering team to flesh out APIs and prototype quickly. Define and create test suites proving ...

NodeJS Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
2billion valuation by July 2022.Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation. Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement. Review of designs/… one. Day to Day The NodeJS Developer will: Develop, test and deploy internal and client facing responsive web applications. Prototype and build new components on top of Cloud infrastructures. Work closely with the platform engineering team to flesh out APIs and prototype quickly. Define and create test suites proving ...

Junior Java Engineer Trading

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
this is a unique product.Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation.Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement.Review of designs/code … hybrid 1 day a week in the office, potentially 4 per month in bulk.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Junior Java Engineer Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
unique product. Engineers are responsible for ensuring the correctness of their code and the output generated. Therefore there is a strong emphasis on automated testing and validation. Periodic retrospectives (whether a team is running Kanban or Scrum) are the heartbeat of continuous improvement. Review of designs/code … week in the office, potentially 4 per month in bulk. Java Engineer, Java Developer, React. JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Junior Java Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
client is based in Central London but this is home based for the significant future.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

QA Engineer – Fintech Selenium Java

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
hybrid 1 day a week in the office, potentially 4 per month in bulk.QA, Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Senior Full Stack Developer

Hiring Organisation
Ntegra
Location
United kingdom
. About the Role We’re looking for an experienced Senior Full Stack Developer to join our Product Engineering team. This is a hands-on technical role initially focused on leading the development of modern web applications across multiple client projects. You'll help shape technical architecture, contribute … progress into a leadership role with responsibility for mentoring and managing a small team of developers. We're looking for someone who thrives on problem-solving, is passionate about developing talent and enjoys adapting their expertise to new domains and technologies. Responsibilities Lead technical delivery, shaping project architecture ...

Senior Data Engineer (UK)

Hiring Organisation
Firstup
Location
London, UK
Employment Type
Full-time
technology stack. Establish and follow standards for SQL development, data modeling, testing, documentation, code reviews, and production support. Support production data pipelines through on-call rotation and incident response, partnering with engineering, analytics, and business teams. Document and maintain expertise in the technology stack and product domain, translating business … degree in Computer Science or related field, or equivalent professional experience.8+ years building reliable, high-performance, large-scale distributed systems, with an emphasis on streaming and data pipelines. Experience working with and maintaining multi-tenant SaaS experiences. Experience building natural language interfaces over data warehouses, including applying GenAI/ ...

Staff / Senior Staff Security Engineer, Vinted Pay

Hiring Organisation
Vinted
Location
London, UK
Employment Type
Full-time
pick-up and drop-off points, partnering with more than 60 carriers across Europe, with added services like item verification for peace of mind on high-value pieces. Vinted Pay is the newest part of the Vinted Group, dedicated to bringing secure, reliable payments to buyers and sellers across … senior team and your security peers in Marketplace, Vinted Go, and Platform. This is a build role with room to grow: you start hands-on, closing the highest-impact gaps yourself and setting direction for the security work already under way, and as the function matures you will shape ...

Sr. Analyst, Falcon Complete (Remote, GBR)

Hiring Organisation
CrowdStrike
Location
United Kingdom
Salary
£ 70 K
changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they … count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute ...

Sr. Analyst, Falcon Complete (Remote, GBR)

Hiring Organisation
CrowdStrike
Location
United Kingdom
Employment Type
Permanent
Salary
GBP Annual
changed - we're here to stop breaches, and we've redefined modern security with the world's most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they … count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute ...

Analyst I, Falcon Complete (Remote, GBR)

Hiring Organisation
CrowdStrike
Location
United Kingdom
Salary
£ 70 K
changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they … count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute ...

Sr. Analyst, Falcon Complete (Remote, GBR)

Location
London, United Kingdom
changed we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they … count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. CrowdStrikers drive their careers through flexibility and autonomy while also being expected to contribute ...

Staff Software Engineer, Traffic Team

Hiring Organisation
GitHub
Location
United Kingdom
Salary
£ 70 K
GitHub continues to operate industry-leading services at global scale, and to ensure internal engineering teams have the tools and processes necessary to build on top of our platform with as little friction as possible. As a Staff Software Engineer on the Traffic Team, you will work closely … with a distributed, diverse, and passionate team of engineers to improve and maintain part of the platform that millions of developers worldwide rely on in their software development cycle. The Traffic Team is highly distributed, and you will thrive in an environment of remote work and asynchronous communication. ...

Senior Backend Engineer (Remote) - UK

Hiring Organisation
AlphaSights
Location
London, UK
Employment Type
Full-time
architectural vision that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always … looking for people who have incredible potential. Technical expertise with at least one programming language (we use Python, Kotlin and a bit of Ruby), and ideally experience with relational databases. Proven track record – You've made a demonstrable impact in your previous roles, standing out from your peers. Highly ...

Mid-level Backend Engineer (Remote) - UK

Hiring Organisation
AlphaSights
Location
London, UK
Employment Type
Full-time
architectural vision that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always … looking for people who have incredible potential. Technical expertise with at least one programming language (we use Python, Kotlin and a bit of Ruby), and ideally experience with relational databases. Proven track record – You've made a demonstrable impact in your previous roles, standing out from your peers. Highly ...