26 to 50 of 74 Ruby on Rails Jobs

Senior Software Security Engineer

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 … roleYou will engineer security improvements to the GitLab product as well as building and maintaining the tools we use to detect and prevent abuse on our SaaS platforms. A strong software engineering background with experience in large Ruby/Rails codebases is required. As a senior engineer ...

QA Engineer – Fintech, Selenium, Tester

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
working with the developers to understand their implementation of the requirements. Testing and quality is a team effort, but the QA should focus on keeping these standards high in the team.QA Engineer will be part of a development team working through new projects and maintenance tasks. They will have … specific focus on performance and load testing, being able to offer advice, strategy and direction to the test team on these issues. They will be hands on with these tasks and also overseeing this type of testing across the team.The QA Engineer will also be responsible ...

Technical Principal

Hiring Organisation
fortice
Location
London, United Kingdom
Salary
£ 120 K
PRINCIPALManchester/London, UKThoughtWorks is synonymous with innovation. We’re a diverse community of bright and passionate individuals striving to have a positive impact on the world. We’re dedicated to the art of software delivery, by keeping it lightweight, agile and open-source. Our clients are organisations with … complex enterprise systems to help them solve their toughest business problems. As a Principal Consultant at ThoughtWorks you have total responsibility for technical delivery on a client engagement so you are likely to have extensive experience.Here’s what you will bring:· Expertise in multiple technologies (including Java, .NET, Ruby ...

Solution Architect

Hiring Organisation
Jobleads-UK
Location
Swansea, Wales, United Kingdom
Swansea, United Kingdom | Posted on 28/05/2026 About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront … user-centred design, agile delivery, and scalable digital services that genuinely make a difference. Why This Opportunity Stands Out Work on a high‐impact UK public sector digital programme, delivering services used by millions Opportunity to be based in Swansea, with relocation support of up to £5,000 Visa ...

Java Ruby Python Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Java Ruby Python DeveloperQuant Capital is urgently looking for a Java/Scala/Ruby Developerto join our high profile client.Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching, big data and language … well known to take intractable problems the trading industry faces, employing highly-parallel algorithms, natural-language parsing and a diverse, cutting-edge technology Ruby, Scala, Coffeescript and Java stack. The company structure is very flat and everyone writes code.They are funded by several major banks.I am looking ...

NodeJS Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
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/code … better than 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 your application ...

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 ...

Java Developer- Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
times and/or locations.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 … about.My client is based in Central London, this role is remote for the considerable future.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, 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 … 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 ...

Android Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
times and/or locations.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 … client is based in Central London, this role is remote for the considerable future.Android Engineer, 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
£ 80 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 ...

QA Engineer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
about.My client is based in Central London, this role is remote for the considerable future.Java Engineer, Java Developer, React.JS Growth Javascript CSS HTML Frontend Ruby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

Senior QA Automation Engineer

Hiring Organisation
Board Intelligence
Location
London, United Kingdom
Salary
£ 80 K
leading B2B Enterprise SaaS investors. We are at the beginning of significant growth, and we’re looking for superb talent to join us on this journey. As we grow, we’re fiercely protective of our culture and values. Many of us, including our founders, have families and other priorities … engagement. You will work across the full product lifecycle, from refinement sessions through to delivery, bringing quality thinking in early rather than bolting it on at the end.Alongside your council work, you will play a significant role in shaping our wider QA function. That means evolving our automation frameworks ...

Junior Java Developer –Python, Ruby, Fintech50

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 45 K
Junior Java Developer –Python, Ruby, Fintech50London45,000-50,000 + bonusQuant Capital is urgently looking for a Junior Java Developerto join our high profile client.Our client is an established financial data technology start up. They enable rapid trading transactions to be processed and are innovators in algorithm matching … well known to take intractable problems the trading industry faces, employing highly-parallel algorithms, natural-language parsing and a diverse, cutting-edge technology Java, Ruby, Scala, Coffeescript and Java stack. The company structure is very flat and everyone writes code.I am looking for a Junior Java Developer who hacks ...

Software Engineer Python TypeScript AWS Ruby

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 80 K
Software Engineer/Developer (Python TypeScript AWS Ruby) London to 100kAre you a technologist who enjoys working with a range of technology across the full stack You could be progressing your career in a senior, hands-on Software Engineer position at an ethical FinTech that specialises in providing … small, short-term, secured loans that allow people to improve their credit ratings.The loan origination and servicing platform has been built using Ruby on Rails (with a PostgreSQL database backend) hosted entirely in AWS (Amazon Web Services). You'll be working across the full technology stack ...

Software Engineer

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
more about the role, the digital team and what it's like to work at DVLA, we are hosting a Teams familiarisation session on Wednesday 22nd of July at 12PM. This will be an opportunity to meet the team and ask any questions you may have. Continue with … technology experience is essential, DVLA are open to transferable skills and a willingness to learn: Core services: Java, Spring Boot and OpenAPI Front-end: Ruby on Rails, React and reusable UI components Serverless: Node.js, TypeScript, AWS Lambda, Step Functions and DynamoDB Architecture: Event-driven architecture patterns ...

Senior Next.js Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 32,000 - 45,000 Annual
working in structured and governed environments where quality, accessibility, and user experience are paramount. Location: Swansea (with a regular expectation of up to 60% on-site attendance). Security Clearance: Baseline Personnel Security Standard (BPSS) required, with the willingness and eligibility to obtain Security Check (SC) clearance prior … accessible, responsive Front End applications primarily using Next.js and React. You will seamlessly integrate these user interfaces with a modern API-first ecosystem built on Java Spring Boot and AWS serverless technologies. Operating at SFIA Level 4, you will take on complex technical challenges, champion modern software engineering ...

Senior Software Engineer - Growth

Hiring Organisation
DataCamp
Location
London, United Kingdom
Salary
£ 50 K
About Us:DataCamp is on a mission to make the world data fluent by building the future of scalable data education, assessments, certification and collaboration tools for data professionals. Since our launch more than 10 million learners around the world have completed hundreds of millions of DataCamp content items … beyond, and want you to be a part of it!About the roleDataCamp is looking for a passionate Software Engineer to work on a small cross-functional growth team. While we focus on overall impact to the business, the majority of the work is aimed ...

Lead Java Scala Developer / PM

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
bright technologists who can cut solid code. I offer relocation for strong candidates.Quant Capital is urgently looking for a Lead Java/Scala/Ruby Developerto join our high profile client.Our client is a n established financial data technology start up. They enable rapid trading transactions to be processed … well known to take intractable problems the trading industry faces, employing highly-parallel algorithms, natural-language parsing and a diverse, cutting-edge technology Ruby, Scala, Coffeescript and Java stack. The company structure is very flat and everyone writes code.They are funded by several major banks.I am looking ...

Senior Backend Engineer, AI Engineering: Chat

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 … Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.An overview of this roleAs a Senior Backend Engineer on the Duo Chat team, focused on Chat Engine, you'll build the core AI capabilities behind GitLab Duo Chat, the natural-language ...

Senior Backend Engineer, AI Engineering: Chat GitLab UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 … Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Backend Engineer on the Duo Chat team, focused on Chat Engine, you'll build the core AI capabilities behind GitLab Duo Chat, the natural-language ...

Full Stack Developer - React/Node

Hiring Organisation
Tank Recruitment
Location
Plymouth, Devon, United Kingdom
Employment Type
Permanent
retail business is looking for a talented Software Developer to join its expanding in-house development team. This is a fantastic opportunity to work on a wide variety of business-critical systems, developing the software, platforms and tools that support day-to-day operations and enhance the customer experience. … This is a hands-on, full-stack development role where you'll build and maintain bespoke software, internal applications, APIs and web-based systems. You'll have the opportunity to work across the full software development lifecycle, solving real-world problems in a fast-paced, high-volume environment where ...

Staff Platform Engineer, AI Enablement

Hiring Organisation
Jobleads-UK
Location
United Kingdom
architecture that needs to carry us for years, not quarters. The Team Our Foundation team owns the platform every engineer at Gigs builds on: cloud infrastructure, CI/CD, observability, golden paths, and the shared services that keep our product running. That charter is expanding. We believe the next … difference between tooling engineers tolerate and tooling they'd fight to keep. We're looking for someone with that foundation who is now focused on what comes next: where developer experience goes as agents take on more of the work, which investments in our platform ...

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 ...