1 to 25 of 72 Permanent Ruby on Rails Jobs

Ruby on Rails Developer/Senior Ruby on Rails Developer Location: Brighton (Hybrid one day per week in the office) Salary: Up to £100k Working Pattern: 4-Day Week (Full Salary) We're working with an established and profitable SaaS company that has been … reputation in its sector, the business has grown sustainably without external investment, creating a stable and supportive environment for engineers who want to focus on building great products rather than chasing aggressive growth targets. This is an opportunity to join a small, highly collaborative engineering team where your ideas ...

DescriptionSenior Ruby on Rails EngineerLocation: London (Hybrid – 2 days per week onsite)Salary: 65,000 to 80,000 (DOE) The opportunity: We’re looking for a Mid/Senior Ruby Engineer to join a growing technology business building operational SaaS platforms used within large-scale, real … world environments. This role sits within a backend engineering team responsible for maintaining and evolving systems that support live operational workflows. You’ll work on modern Ruby on Rails applications that process high volumes of transactional activity, integrate with external systems, and support business-critical operational ...

Swansea, United Kingdom | Posted on 06/07/2026 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. Strong focus on work-life balance with a flexible hybrid model (3 days onsite) Be part of a collaborative, multidisciplinary agile environment alongside civil servants and industry experts Based in Swansea, South Wales — three days ...

Ruby on Rails Developer - London (Hybrid) | Full-Time FRESH has partnered with a fast-growing B2B SaaS company building a next-generation data platform that delivers real-time insights to support passengers requiring assistance while travelling. They are now hiring a Senior Developer to strengthen the core … Passenger Assistance platform, helping scale customer onboardings faster and reduce backend bottlenecks in feature delivery. Responsibilities: Own technical direction and architecture decisions within the Rails application Design, build, and maintain scalable backend services and RESTful APIs Optimise background job processing using Sidekiq Help improve onboarding scalability and reduce backend ...

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 … priority in the year ahead. In this role, you'll go beyond using AI tools and help define how we design, build, and iterate on AI-assisted and agentic CI experiences. You'll set standards for what good looks like across our AI agent portfolio, including how we measure ...

Hiring: Senior Ruby on Rails Developer (Remote - UK Based) Location: Anywhere in the UK (100% Remote) Job Type: Full-Time Flexible Hours Work-Life Balance Champions Why This Role Rocks: Ready to level up your dev career with a company that actually values innovation, autonomy, and continuous … edge code. You'll be part of a passionate, remote-first team building impactful products - and yes, you'll get Friday afternoons to work on your own passion projects . Plus, every team member gets a free Udemy license to keep those skills sharp and curiosity thriving. What ...

Hiring: Senior Ruby on Rails Developer (Remote - UK Based) Location: Anywhere in the UK (100% Remote) Job Type: Full-Time | Flexible Hours | Work-Life Balance Champions Why This Role Rocks: Ready to level up your dev career with a company that actually values innovation, autonomy, and continuous … edge code. You'll be part of a passionate, remote-first team building impactful products - and yes, you'll get Friday afternoons to work on your own passion projects . Plus, every team member gets a free Udemy license to keep those skills sharp and curiosity thriving. What ...

really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re always keen to hear from those interested in joining our founding team in London. We’re really proud … team for feedback Collaborate with and support other members of the wider Hnry team Act as a mentor and provide support to Junior developers on the team Qualifications Have at least two years experience working as a developer Have excellent communication and collaboration skills – we work together and succeed ...

this The more we automate, the more human judgement matters. AI gives people back time, and we expect them to spend it on the things no model can replicate: conversations, trust, craft and team judgement.We hire to a high bar. You’ll work with people who push you, raise … want every person at Raylo to do the best work of their lives, and enjoy doing it.Our Core Valuesð¡ Be deeply curious – We thrive on innovation through diverse approaches, views, and people.ð Walk in your customer’s shoes – To build the best products and make the best decisions ...

Ruby/JavaScript Web Developer – Rails Fintech 50 Quant Capital is urgently looking for a Ruby/JavaScript Web Developer to join our high profile client.Our client is a brand new investment firm driven by technology. They are well known in the media as solving … people in almost 6 months. As their product is web based this position is key to growth and stability.The position is for a Ruby Web Application Developer to build new and maintain existing Rails applications communicating with a Java API. The developer will be working within an Agile ...

looking to hire engineers to join the team. We’re really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re looking for a Platform Engineer to join our founding London … business to support platform needs and improve developer experience Design, build and maintain improvements to the infrastructure and platform of Hnry, currently hosted on AWS Improve the reliability, availability and performance of our platform Evolve and optimise our CI/CD pipelines to enable fast, safe and consistent deployments ...

Ruby Developer – Full Stack, Rails Javascript, TDD Quant Capital is urgently looking for a Ruby Developer to join our high profile client.Our client is in this year’s fintech50 they are a disruptive force in the global investment and payments space.The office is casual with a compete … tech focus (quiet coding area, loud games room).The position is for a senior Ruby Developer to build a new Rails application communicating with a Java API. The current team has 5 bleeding edge ruby and frontend developers who need some help to keep them from evangelising ...

Ruby Developer – HTML5, Rails Javascript, TDD Quant Capital is urgently looking for a Ruby Developer to join our high profile client.Our client is in this year’s fintech50 and well known to disrupt the global payments and Foreign exchange markets.The position is for a hands mid level … senior Ruby Developer to build new and maintain existing Rails applications communicating with a Java API. The current team has 5 bleeding edge ruby and frontend developers who need some help to keep them from evangelising the world off. The Ruby Developer will be working within ...

really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re always keen to hear from those interested in joining our founding team in London.We’re really proud of the team … Bonus points for the following: Experience building large scale systems Experience being self-employed (freelancing, contracting etc) in any industry/profession Experience with Ruby on Rails How we work We follow agile practices, delivering improvements iteratively in small chunks. We track the impact of our work ...

portions. As a B-Corp certified company, you’re joining a sustainable business that genuinely cares about our people, our products and our impact on the planet. Our goal is simple: to help dogs live healthier, happier, and longer lives, while leaving humans smiling after every interaction.We’ve come … high-quality, maintainable, modular, and reliable code is shipped across our acquisition stack.Heavily Backend-Weighted: Your day-to-day focus will be heavily centered on our backend infrastructure (Ruby on Rails, PostgreSQL, GraphQL) to manage discount APIs, optimise session architectures, and support core functionality. We have ...

Swansea, United Kingdom Visa sponsorship available for eligible candidates. Strong focus on work‐life balance with a flexible hybrid model (3 days onsite). Based in Swansea, South Wales - three days per week on‐site. Role Overview We are looking for a Lead Software Engineer to provide technical … will set the technical direction across a hybrid estate spanning modern cloud‐native services and established Mainframe platforms, and you will be hands‐on with code, architecture, and design decisions. This is a senior technical role combining engineering excellence with team leadership. You will operate within structured and governed ...

hybrid role, so you must live within commutable distance of Cambridge. They are looking for a highly experienced software engineer with expertise in Ruby on Rails to take ownership of pivotal design, architecture and development work on this key platform - which is the main portal … their customers, in terms of collaboration and sales. This is an individual contributor role for an experienced, hands-on engineer who leads through influence: setting technical direction, raising the bar through code review, and shipping production code every week alongside the rest of the team. Key skills/experience ...

Hiring: Senior Ruby on Rails Developer (Remote - UK Based) Location: Anywhere in the UK (100% Remote) Job Type: Full-Time Flexible Hours Work-Life Balance Champions Why This Role Rocks: Ready to level up your dev career with a company that actually values innovation, autonomy, and continuous ...

Scrumconnect Consulting in Swansea, UK is seeking an experienced Senior Ruby Developer to join a large-scale public sector delivery team. You will work within a blended agile squad delivering high-volume citizen-facing services built with Ruby on Rails, React.js, Java SpringBoot, and AWS serverless ...

organisation operating in the health, fitness and coaching technology sector Strong leadership team with experience scaling successful consumer and technology businesses Long-term focus on AI adoption, automation and data-driven product development What You'll Be Doing As a senior member of the engineering team, you'll have … design teams to deliver new features Mentoring engineers as the team grows Helping shape the company's AI-assisted engineering strategy Technology Stack Ruby on Rails, PostgreSQL, Redis, Sidekiq, Vue.js, AWS, Docker, GitLab, Cloudflare What We're Looking For Essential Experience Strong commercial experience building and maintaining ...

Junior Ruby Developer – HTML5, Rails Javascript, TDD Quant Capital is urgently looking for a Junior Ruby Developer to join our high profile client.Our client is in this year’s fintech50 and well known to disrupt the global payments and Foreign exchange markets.The position is for a hands … Junior Ruby Developer to build new and maintain existing Rails applications communicating with a Java API. The current team has 3 bleeding edge ruby and frontend developers who need some help to keep them from evangelising the world off. The Ruby Developer will be working within ...

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 … they can start using the Duo Agent Platform with minimal friction. The second is repository and background flows: autonomous and scheduled agents that work on a customer's codebase on their behalf.This work is central to how GitLab delivers AI-powered automation on repositories. As a Senior ...

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 … they can start using the Duo Agent Platform with minimal friction. The second is repository and background flows : autonomous and scheduled agents that work on a customer's codebase on their behalf. This work is central to how GitLab delivers AI-powered automation on repositories. ...

Team Lead Ruby/Frontend DeveloperQuant Capital is urgently looking for a Lead Frontend Ruby or JavaScript Developer to join our high profile client.Our client is a brand new investment firm driven by technology. They are well known in the media as solving one of the common problems … people in almost 6 months. As their product is web based this position is key to growth and stability.The position is for a hands on Lead Developer to build new and maintain existing frontend applications and sites communicating with a Java API. The current team has 2 bleeding edge ...

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 ...