Ruby jobs in United Kingdom

WEB APPLICATION DEVELOPER – C# / F# / ASP.Net MVC / SQL / JavaScript C# / F# / ASP.Net MVC / SQL / JavaScript The company Long standing and respected Software House with a varied client base. The role Web Application Developer is required to design, develop, test and support (primarily) web-based enterprise software, written in C#. Reporting to the Development Team Leader you will analyse requirements, specify systems, features and processes as well as develop new features for existing systems or develop entirely new systems (usually in C# but possibly F#). Additionally you will write unit / integration / scenario tests for code (typically test-driven development) and reports and queries against SQL databases as well as ensuring software is packaged and delivered correctly. The requirements Possessing a 2;i or First Degree from a leading University (ideally Top 30 and not outside Top 50) preferably in a science / engineering / numerate discipline you will have least 1 year of hands-on C# development or other open-source software development which could have been obtained during university studies or your personal time. Additionally you must have experience of working on a website with SQL databases as backend. Experience of other web application frameworks such as ASP.Net MVC or Ruby on Rails would be useful as would unit / integration / system testing experience. Any experience of F#, JavaScript, Message Queuing, Service Orientated Architecture or Micro Services would be advantageous.

We are working with a London based company who are in the market for mid level Rails Engineers. • Start ASAP, • You must have Ruby/Rails experience, • 100+ people in the company, • Hybrid - 1 day per week into the London office, • £60-80k basic + benefits including equity Please apply with an updated CV to be considered.

Junior – Mid Software Engineer Shoreditch | Well-funded startup This one’s for the engineers who know they’re capable of more than their current role is letting them show. We’re working with a small, well-funded startup in Shoreditch who are building something genuinely interesting and are now looking for a junior – mid level Software Engineer to join the team. You don’t need Ruby on Rails or Postgres experience coming in, they will train you. You do need strong fundamentals, curiosity, and the motivation to get better quickly. The setup • You’ll join the engineering team and sit between two highly technical co-founders / very experienced engineers, • You’ll write code every day and actually see the impact of what you build, • You’ll get real ownership early, with the support to grow into an exceptional engineer This will suit someone who: • Has 1–3 years’ experience in a commercial software environment, • Likely has a strong academic background (CompSci or similar), • Started out in a graduate or junior role at a larger company, • Has learnt solid engineering fundamentals but feels a bit… removed from the outcome, • Now wants pace, responsibility, and learning by doing, not just tickets in a backlog Why move? If you’re currently: • Writing plenty of code but not seeing the bigger picture, • One of many engineers with limited influence 📍 Office-based in Shoreditch 💡 Early-stage, well-funded, genuinely supportive team If this sounds like you (or close enough), drop us a message or apply via LinkedIn. We’re Motive Group – we work with startups and scale-ups and spend a lot of time helping engineers make smart moves, not rushed ones.

🚀 Senior Full Stack Engineer (TypeScript leaning) | London (Hybrid) We’re working with a high-growth, AI-first fintech that’s quietly building something pretty special and now looking to add a Senior Full Stack Engineer to their team. This isn’t your typical “we use AI” environment. Engineering here is genuinely LLM-first. Think day-to-day development powered by tools like Claude Code and Codex, with engineers actively shaping how AI integrates into real production workflows. 💻 What you’ll be doing • Owning features end to end across a modern full stack environment, • Building and scaling payments infrastructure across multiple markets, • Working closely with product and data to solve complex, real-world problems, • Playing a key role in evolving how the team leverages AI in software development, • Mentoring and raising the bar across engineering 🧠 Tech environment • TypeScript at the core, alongside Python and Ruby, • Modern backend frameworks and distributed systems, • Cloud-native infrastructure (AWS, Kubernetes), • Strong focus on observability, reliability and clean architecture 👀 What they’re looking for • Strong experience as a Full Stack or Backend leaning engineer, • Confidence working with TypeScript (or similar high-level languages), • Curiosity and enthusiasm for AI-assisted development, • People who ask great questions and enjoy solving meaningful problems 🌍 Why it’s interesting • AI isn’t a side project here, it’s central to how the team operates, • Real ownership and impact from day one, • Mission-led product, • Hybrid working, 2 days per week in a central London office Salary - Up to £100k If you’re someone who’s curious about where software engineering is heading, and want to be in a team actually pushing that forward, this is worth a conversation.

B2B SaaS | UK Company Location: London Type: Full-time Role Overview Accessible rail travel depends on systems that work reliably in live environments. Our Passenger Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We’re hiring a QA Engineer to lead manual quality and release confidence across our UK and Global web and mobile platforms. Strategic Context Transreport exists to remove structural barriers in rail travel. Our vision is that everyone has access to travel everywhere. We operate across the UK, Japan, and the EU and have supported over 10 million assistance requests for more than 1 million users. We are a Series A company recognised with a King’s Award. Because we operate in live, safety-critical environments, quality discipline is fundamental, not optional. As the platform grows in complexity across markets, this role ensures that reliability remains uncompromised. Outcomes & Impact Within 6 months, you will: • Own manual QA for at least one active product stream., • Embed earlier into refinement and design to strengthen acceptance criteria., • Improve regression structure and reduce escaped defects., • Bring clarity and consistency to our TestRail coverage., • Act as a trusted release partner for Engineering and Product. Within 12 months, you will: • Confidently rotate across UK and Global teams., • Influence how we balance manual testing and automation coverage., • Identify recurring quality risks and drive preventative improvements., • Raise the overall standard of release confidence across web and mobile. Responsibilities • Execute & Manage Testing: Own the manual testing lifecycle for web (Vue.js/Rails) and mobile (Native Swift/Kotlin) applications., • Shift Left: Participate in design and requirements sessions, clarifying how A/Cs are tested before a single line of code is written., • Test Case Management: maintain and expand our TestRail repository. You will decide what needs a manual pass and what candidates should be handed off to SDETs for automation., • Release Confidence: Act as the final gatekeeper for releases, conducting smoke tests and regression passes to ensure high reliability for our public-facing and B2B users., • Cross-Platform QA: Verify consistency across our web dashboard and mobile apps, ensuring data syncs correctly between the Rails backend and the client devices. The Tech Environment: • Management: TestRail, Jira., • Web: Vue.js (Frontend), Ruby on Rails (Backend)., • Mobile: Native Swift (iOS) & Native Kotlin (Android) as well as React Native., • Note: While our stack includes RSpec and Vuewrapper, this is a functional QA role. You are not expected to write code, but you should be comfortable navigating a technical environment. Requirements Must Haves • Experience: 3+ years of of experience in manual QA for web and mobile applications., • Process Mindset: You understand that QA is a process, not just a phase. You can demonstrate how you’ve improved QA workflows in previous roles., • Context Switching: You are comfortable moving between an established legacy project and a fast-moving greenfield/scaling project., • Mobile Proficiency: You know the difference between testing on iOS vs. Android and are familiar with mobile constraints (offline mode, location services, etc.). Nice to Haves: • Experience in Government, Public Transport, or Logistics sectors., • Experience testing SaaS platforms with complex user permissions. Benefits • Private healthcare after your probation (including children), • 25 days holiday, • Volunteering Leave, • Cycle and Tech Scheme, • Free flu jab for you and your family Culture & Operating Principles We value: • Ownership over hierarchy, • Clarity over bureaucracy, • Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Quality here is not cosmetic. It protects real journeys. Interview Roadmap • Screening Call (30 mins) – Recruiter alignment, • Technical Exercise – Automation & QA approach, • Final Culture Conversation – Leadership alignment Guaranteed Interview Scheme We’re a Disability Confident employer and we welcome applications from disabled candidates. If you need any adjustments at any stage of the recruitment process, please tell us what would help - we’ll work with you to make the process as accessible as possible. We also offer a Guaranteed Interview Scheme (GIS) for candidates who consider themselves to have a disability as defined under the Equality Act 2010. If you indicate this option in your application and your application demonstrates that you meet the essential criteria for the role, you’ll be invited to interview or assessment. Choosing GIS doesn’t guarantee a job offer. If you have any questions, please get in touch.

Company Description Materials Market is a managed marketplace for bulky construction materials. We’re fixing a fragmented, opaque market where pricing is political and access is unequal — building a fair, transparent system where customers and suppliers trade on equal terms. We turn a network of merchants and distributors into one simple way to buy heavy, first-fix materials. Customers — from DIYers to tradespeople — get competitive, market-informed prices and reliable delivery through a single platform. Suppliers keep control, choosing the orders that suit their branches, fleets and margins. We’re backed by Fuel Ventures and Active Partners, alongside a strong group of angel investors. Our board includes James Mackenzie (former Managing Director of Travis Perkins) and Thomas Studd (former Partner at Vitruvian Partners). Role Description We’re hiring a Ruby on Rails Developer to join a small, high-performing team and ship product changes end-to-end. You’ll work in a Rails codebase, building features across backend and frontend as needed, partnering closely with non-technical teams, and owning delivery, quality, and outcomes. We run lean, with minimal ceremony and a meeting-light culture (no daily stand-ups). You’ll have autonomy, direct access to leadership, and real ownership of what ships. What you’ll do • Build and ship features in a Ruby on Rails monolith., • Contribute towards both new feature development and green-field rebuilds of core parts of our platform., • Deliver work end-to-end: from business problem → solution design → development → release., • Debug issues, improve reliability, and raise code quality., • Work pragmatically across the stack (Ruby, JavaScript, CSS, SQL)., • Use AI-assisted / agentic development tools to write and review code, while maintaining high quality. Must haves • Strong Ruby and Ruby on Rails experience with evidence of shipping production work., • Full-stack mindset; backend leaning., • Comfortable working with ambiguity and making pragmatic decisions., • Practical experience with AI-assisted development tools. Nice to haves • Architecture experience., • CI/CD experience., • Infrastructure / DevOps exposure. Working pattern & location • Fully remote, flexible working hours, focused on output., • Quarterly in-person two-day hacks., • Occasional attendance in London office encouraged.

We are working with a London based company who are in the market for very experienced Rails Engineers. • Start ASAP, • You must have deep Ruby/Rails experience, • Opportunity for an IC to have responsibility with coaching and mentoring, • Opportunity to work across teams, • Responsibility around system design, architecture and driving technical strategy, • Hybrid - 1 day per week into the London office, • Up to £130k basic + benefits including equity Please apply with an updated CV to be considered.

Trading Desk Operations Engineer - Summer 2026 start Our client is a top tier global proprietary trading firm that blends advanced technology, quantitative rigour and deep market expertise. It is a place where sharp thinkers thrive. You will work alongside highly capable, intellectually driven people who enjoy hard problems, value precision and are keen to share what they know. This environment suits graduates who have excelled academically and want to apply their intelligence in a fast, practical and technical setting. As a Trading Desk Operations Engineer you sit directly within the trading and research group. You support live trading, improve operational workflows and help turn ideas into reliable tools and systems. You will work closely with traders, researchers and engineers, gaining direct exposure to how strategies are built, tested and executed. Day to day you may validate trade flows, automate processes, troubleshoot issues under pressure, analyse unexpected system behaviour and build quick tools that improve speed and accuracy. You will need to think clearly, act decisively and enjoy solving complex technical problems in real time. This position is well suited to graduates with a strong foundation in mathematics, engineering or computer science and a genuine appetite for analytical work. You must have: • STEM degree from a top ranked university with exceptional academic results, • A level Maths at grade A or equivalent, • Excellent logical reasoning and problem solving ability, • Strong attention to detail and consistency, • Interest in programming with basic proficiency in at least one language (Python, C++, Go, Scala, Ruby, Lua, VBA or similar), • Curiosity about trading, technology and how complex systems behave under pressure This opportunity is ideal for someone who wants a front-row view of how modern trading actually works. You will learn quickly, work with outstanding people and develop a rare combination of technical, analytical and operational skills that will set you up for a high-impact career.

B2B SaaS | UK Location: London Type: Full-time Role Overview Accessible rail travel depends on systems that work reliably in live environments. Our Passenger Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We’re hiring a Senior Front-End Engineer to own and scale the front-end layer of a platform used daily in live rail operations. Strategic Context Transreport exists to remove structural barriers in rail travel. Our vision is that everyone has access to travel everywhere. We operate across the UK, Japan, and the EU and have supported over 10 million assistance requests for more than 1 million users. We are a Series A company recognised with a King’s Award. As our platform grows in complexity, this role ensures that usability, stability, and engineering quality scale with it in a live rail environment where failures directly impact real journeys. Outcomes & Impact Within 6 months, you will: • Own and deliver complex features end-to-end within one active product stream., • Confidently drive cases from refinement through to release with minimal supervision., • Improve accessibility, maintainability, and test coverage across your area., • Act as a trusted delivery partner for Product and QA., • Strengthen code review standards and engineering consistency. Within 12 months, you will: • Confidently contribute to UK and Global teams based on priority., • Lead incident response efforts when front-end issues affect production., • Influence front-end architectural decisions., • Raise the overall quality bar across our Vue/Nuxt ecosystem. Responsibilities • Own & Deliver: Take full ownership of features from discovery through production release, ensuring high-quality and timely delivery., • Drive Cases & Process: Independently drive development work, manage ambiguity, and proactively remove blockers without requiring day-to-day direction., • Accessibility & Standards: Champion accessibility best practices and ensure implementation aligns with inclusive design principles., • Technical Leadership: Conduct code reviews, guide architectural decisions, and raise engineering standards across the front-end codebase., • Incident Response: Lead investigations and resolution efforts during critical production incidents, ensuring fast and structured recovery., • Collaboration: Work closely with Product, Design, QA, and backend engineers to refine requirements and ensure clarity before development begins., • Continuous Improvement: Contribute to better tooling, documentation (e.g., C4 model), CI/CD improvements, and development processes. The Tech Environment: • Framework: Nuxt 3 (Vue 3 with SSR), Nuxt Auth, Nuxt i18n, • Build & Runtime: Vite, Nitro, • State Management: Pinia, • Testing: Vitest, Vue Test Utils, • Styling: TailwindCSS, • Code Quality: ESLint, Prettier, • Tooling: Mocks Server, Date FNS, Lokalise You are not expected to know every tool on day one, but you should be comfortable mastering complex front-end ecosystems and guiding others in best practices and troubleshooting. Requirements Must Haves • 5+ years of experience in front-end development with modern JavaScript frameworks (Vue.js, React, Angular, etc.)., • Strong expertise in Vue.js and modern front-end architecture., • Proven experience owning and delivering complex features end-to-end., • Strong knowledge of HTML, CSS, and TypeScript/JavaScript., • Experience with state management (Pinia, Vuex, Redux, etc.)., • Experience working within established codebases and improving them., • Comfortable working with minimal supervision in high-autonomy environments., • Experience in Agile development environments., • Familiarity with CI/CD and modern practices such as TDD., • Ability to prioritise effectively and manage multiple initiatives., • Strong written and verbal communication skills in English., • Comfortable working within a remote team. Nice to Haves: • Experience implementing designs from Figma/AdobeXD/Sketch with high fidelity., • Experience working on accessibility-focused or public-facing products., • Exposure to Ruby on Rails environments., • Experience with Docker, Kubernetes, or cloud-native systems., • Experience working with external product owners or regulated industries., • Contributions to open-source JavaScript projects or technical blogging. Benefits • Private healthcare after your probation (including children), • Free flu jab for you and your family, • 25 days holiday, • Volunteering Leave, • Cycle and Tech Scheme Culture & Operating Principles We value: • Ownership over hierarchy, • Clarity over bureaucracy, • Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap • Screening Call (30 mins) – Recruiter alignment, • Technical Exercise – Front-end architecture & delivery approach, • Final Culture Conversation – Leadership alignment Guaranteed Interview Scheme We’re a Disability Confident employer and we welcome applications from disabled candidates. If you need any adjustments at any stage of the recruitment process, please tell us what would help - we’ll work with you to make the process as accessible as possible. We also offer a Guaranteed Interview Scheme (GIS) for candidates who consider themselves to have a disability as defined under the Equality Act 2010. If you indicate this option in your application and your application demonstrates that you meet the essential criteria for the role, you’ll be invited to interview or assessment. Choosing GIS doesn’t guarantee a job offer. If you have any questions, please get in touch.

Mid/Senior Data Engineer - London, hybrid - Up to £90k FRESH has partnered with a fast-growing B2B SaaS company building a next-generation data platform that powers real-time insights to support passengers who need assistance when travelling. They’re looking for a Data Engineer to help design and build a modern, cloud-native platform on Google Cloud, replacing legacy systems and supporting high-volume, real-time data processing. What You’ll Be Doing: • Build Python (FastAPI) microservices on Google Cloud Run, • Develop and maintain ETL/ELT pipelines into BigQuery, • Design and optimise data models and SQL transformations, • Build and manage secure, high-throughput data APIs, • Use Terraform to deploy and manage infrastructure, • Support migration from legacy systems (Ruby on Rails) to modern architecture Tech Stack: Python, SQL, GCP (BigQuery, Cloud Run, Cloud SQL), Terraform, CI/CD ,APIs (REST, OAuth2), Data modelling tools (dbt / Dataform) Requirements: • 4+ years in Data Engineering or Backend Development, • Strong Python and SQL skills, • Hands-on experience with GCP, • Experience building data pipelines and APIs, • Familiarity with Infrastructure as Code (Terraform) Nice to Have: • Experience with FastAPI, Pub/Sub or Cloud Tasks, • Exposure to BI tools (Looker / Looker Studio), • Experience in B2B SaaS or regulated environments, • Comfortable working with and modernising legacy systems What’s on Offer: • Hybrid working (London-based), • Private healthcare, • Pension scheme, • 25 days holiday + volunteering leave Interested in hearing more, hit the apply button!

Soldo is the proactive spend management solution that frees progressive businesses to accomplish more. Over 25,000 organisations across 31 countries use Soldo to end slow, messy, and inefficient spending, bringing financial agility and control over every expense. Soldo frees finance with a uniquely proactive approach to managing decentralised spending. By combining a powerful spend management platform, user-friendly app, and versatile payment methods, Soldo automates expense admin to eliminates the inefficiency in managing business spending. By proactively managing decentralised spend, organisations empower employees to spend when and where it's needed, keeping productivity high while avoiding month-end surprises. Founded in 2015 by Italian digital innovator Carlo Gualandri, Soldo is headquartered in London, with offices in Dublin, Milan, and Rome. We’re looking for people with big ambitions, cool heads, sharp minds, and warm hearts. Come and join us, as we grow together. What’s in it for you • Competitive salary, • Private healthcare for you and your family, • Pension scheme, • Flexible working options including working from home or our Marylebone office, • 60 days’ work anywhere, even outside the UK if you want, • 25 days off a year, plus public holidays as well as Christmas Eve and New Years' Eve, 2 volunteering days and an extra day off on your birthday, • Genuine career development opportunities, including our mentoring scheme, your own annual £500 learning budget, • Employee Assistance Programme and wellbeing portal The Role As a Solutions Specialist, you will play a pivotal role in bridging the gap between our technology offerings and our clients' business needs. In this role, you will work closely with Sales, Product, Customer Success teams to deliver tailored solutions that address clients' unique requirements and maximise the value of our platform. Drawing upon your expertise in the fintech space, you will act as a key link between technology and business, running discovery sessions, demonstrating the platform, designing integrations, and supporting customers throughout their implementation journey. This role is ideal for someone who enjoys working with customers, understands fintech systems, and wants to grow their solutions expertise in a fast-paced SaaS environment. Responsibilities • Act as a primary point of contact for customer solution engagements, • Run discovery sessions to understand business goals, challenges, and technical requirements, • Deliver product demonstrations and proof-of-concepts tailored to customer use cases, • Design solutions that align customer needs with platform capabilities and fintech best practices, • Build integrations using APIs and our iPaaS platform., • Provide technical guidance during the sales and implementation lifecycle, • Collaborate with internal teams to gather and document clear functional and technical requirements, • Support customers post-implementation through training sessions and workshops, • Share customer feedback with Product teams to help shape future platform enhancements We're looking for someone who must have: • Bachelor's degree in Computer Science, Finance, Business, or related field;, • 5+ years of experience in a customer-facing techno-functional role within the fintech or accounting SaaS software domain., • Strong understanding of fintech concepts, products, and regulatory requirements, with experience working in banking, payments, or credit/debit cards., • Experience working with cloud-based technologies, APIs, databases, and integration frameworks., • Hand-on experience with technologies like JavaScript/Ruby/Python and SQL, • Experience with MS Office, Confluence, Jira (including epics, stories, and sprints), • Excellent communication skills, with the ability to effectively translate technical concepts to non-technical stakeholders and vice versa., • Proven track record of successfully delivering complex software solutions to enterprise clients, from requirements gathering through implementation and support., • Exceptional problem-solving skills and a customer-centric mindset, with a passion for driving client success and satisfaction.

Project Manager (Junior–Midweight) East London (full-time, office-based) £35,000 – £45,000 depending on experience We’re working with a well-regarded independent brand and design agency in East London looking for a junior to midweight Project Manager to join their team. This is a great opportunity for someone who enjoys being at the centre of projects - working closely with clients and creatives to keep things moving, on track, and delivered to a high standard. The role You’ll act as a key point of contact across projects - helping to build client confidence while ensuring the creative team can deliver their best work. This is a hands-on role where you’ll need to be organised, proactive, and comfortable managing multiple moving parts. What you’ll be doing • Managing project timelines, budgets, and deliverables, • Keeping projects on track and flagging any risks early, • Acting as a key client contact on selected projects, • Writing clear briefs and making sure the team has what they need to deliver, • Managing expectations both internally and externally, • Monitoring resource, time and workload across projects, • Supporting senior team members, while also leading on your own projects, • Keeping visibility across all live work within your accounts What they’re looking for • Experience in a project management or client services role within a creative / brand / design agency, • Strong organisational skills and attention to detail, • Confident communicator - able to work with both clients and internal teams, • Someone who is solutions-focused and proactive, • Comfortable managing multiple projects at once, • A team player who is happy to get stuck in, • Willing to be flexible and adapt your working style to current processes The culture A collaborative, creative studio where people take ownership of their work, support each other, and are encouraged to suggest better ways of doing things.

We are working on behalf our client, an independent London agency, who is looking for a Senior Art Director/Creative Lead to sit just under the Creative Director. This person will be the one pushing ideas further, bringing original thinking, visual direction and cultural relevance to some very well-known premium brands. If you love ideas, brand worlds, and making things feel both premium and interesting this might be a good fit! The role You’ll work across global drinks and lifestyle brands, taking strategy and turning it into strong creative territories, concepts and visual directions. You’ll partner with strategy and design to bring brand platforms, launches, gifting and toolkits to life in ways that feel fresh, on-brand and commercially smart. This is less about being the neatest layout designer and more about being the person with the ideas, the references and the vision, who can still communicate that clearly and work with designers to land it. What you’ll be doing • Working with creative directors and strategists to turn brand strategy into big, ownable creative territories, • Developing concepts for brand platforms, launches, gifting, toolkits, education pieces and campaigns, • Exploring how ideas play out across touchpoints, from decks and guidelines through to POS, activations and content, • Art directing shoots, visual assets and key visuals where needed, • Bringing cultural references and fresh thinking into the work, especially around premium and lifestyle audiences, • Collaborating closely with designers to turn rough ideas into polished, on-brand executions, • Presenting work internally and externally, telling a clear story from insight to idea to execution, • Helping raise the creative bar across the studio, especially on originality and distinctiveness What you’ll bring • Experience as a Senior Art Director, senior designer with a strong conceptual bend, or similar creative lead role, • Strong portfolio across brand, packaging, campaigns or activations, ideally with premium / drinks / lifestyle work in the mix, • Confident at turning strategy into territories, ideas and visual directions (not just executing someone else’s idea), • Comfortable working on toolkits, guidelines and “upstream” brand work, not just final campaign assets, • Able to sketch, mood board and reference clearly, and then guide designers on how to bring it to life, • A feel for what’s culturally relevant and fresh for premium brands (not just “disruptive for the sake of it”), • Collaborative, open to building on others’ thinking, and happy in a close, in-studio team Salary up to £60k - 63k depending on experience Working pattern: full-time, mainly in the studio Role type: permanent, with room to grow into a bigger creative leadership position if it’s the right fit

Ruby Fullstack Engineer, Mid-Level Hayes, London Hybrid We are looking for someone with 2+ years of experience in web application development to join our growing tech team. We value autonomy and initiative, and are passionate about building scalable, high-quality web applications. This role is focused on writing reliable code, testing, and ensuring minimal downtime. Bonus points if you’ve worked on improving code quality and productivity through applied technical patterns! As a UK B Corp Certified salary sacrifice specialist, The Electric Car Scheme is on a mission to make net zero the obvious choice by making electric cars and other Net Zero Benefits easy, affordable and simple for employers to offer their people. Built on best in market pricing, complete employer protection and trusted 5 star service, we are accelerating the UK towards a net zero future while creating win win win outcomes for our customers, our team and the planet. Rated 4.9 on Glassdoor and certified by Welcome to the Jungle, there has never been a more exciting time to join a fast growing, purpose driven business transforming sustainable employee benefits. Key Responsibilities: • Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript., • Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions., • Contribute actively to our technology roadmap and priorities, working alongside your team members, key stakeholders, and leadership., • Build a highly automated and reliable platform that serves both our external customers and internal teams., • Take on ambiguous or loosely defined problems, analysing them, and proposing effective technical approaches and solutions. About you: • 2+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript., • Strong backend development skills with a willingness to contribute across the full stack (frontend, infrastructure, etc.)., • Proactive and self-driven, able to take ownership of tasks from conception to deployment., • Excellent communication skills, capable of translating complex technical concepts into clear, understandable language for non-technical colleagues., • Experience with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code., • A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Benefits: • Hybrid working with 2 days in the office (Hayes, London), • 25 days holiday plus bank holidays, • Add 1 day holiday per year service + buy / sell up to 5 days each year, • Flexible work policy with options to take into account family care, • Best in class Family Friendly Leave and Pay, • Use our own scheme to lease a vehicle through salary sacrifice and save 40-70% to drive a brand new electric car, • £500 pa. personal development budget, • £100 home office budget, • Bupa healthcare, • Equity options - own a part of the business

Senior Full-stack Ruby on Rails - Health Tech - Outside IR35 Evantis Technology is looking for a Senior Full Stack Engineer with extensive experience with Ruby on Rails. The project will start in the next 2 weeks and will be 70% backend and 30% front end. It would suit an engineer who enjoys working on consumer-facing products. Requirements • Strong experience building applications with Ruby (ideally Rails), • Proven ability to own features/products end-to-end, not just write code, • Experience designing and building robust backend systems and APIs, • Writes high-quality, maintainable code (testing, structure, documentation) Key Points • 3-month rolling contract, • Fully Remote (Must be based in Europe), • 1 stage interviews taking place next week. If the above sounds of interest and you would like to find out more about the project and the work please apply below.

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two teams, and everyone is hands on, including engineering management and the CTO, which helps us keep our processes practical and engineer-friendly. We work to minimise meetings: engineers typically have a 15-minute daily standup for in-progress updates and quick alignment with Product, plus (per two-week sprint) a one-hour refinement with Product, a one-hour planning session with engineering, and a 30-minute company-wide demo. Operational work like deployments, bug triage, and on-call is handled on a rotation, with each person covering one week roughly every two months. 🎯 The Role As a Senior Full Stack Engineer at Medify, you will play a pivotal role in shaping our platform and technical direction. Working closely with the CTO and fellow engineers, you’ll be involved across the full software development lifecycle - from ideation and design through to development, testing, and deployment. This is a fully remote, home-based role, suited to someone who enjoys ownership, collaboration and solving complex problems in a fast-moving environment. Tech stack: Ruby on Rails (backend), frontend transitioning from Ember to React, Postgres database, hosted on AWS. 🧩 Key Responsibilities • Design and develop high-quality, scalable, and efficient software solutions using modern best practices, • Collaborate closely with Product and Design teams to understand requirements and provide technical input, • Contribute to architectural decisions and overall system design, • Conduct code reviews and provide constructive feedback to maintain high code quality, • Troubleshoot, diagnose, and resolve software issues efficiently, • Develop and maintain automated tests to ensure performance and reliability, • Mentor junior engineers and share technical knowledge and best practices, • Participate in agile planning, backlog management, and delivery updates, • Stay up to date with emerging technologies and software development best practices, • Support recruitment by contributing to interviews and selection decisions 🧠 Core Competencies • Excellent problem-solving and analytical skills, • Strong communication and collaboration skills, • Ability to thrive in a fast-paced, agile environment, • Leadership and mentoring capability, • High attention to detail and quality 🎓 Qualifications • BS/MS degree in Computer Science, Engineering, or a related field is desirable but not required 🛠️ Experience & Knowledge • 5+ years’ experience in software development, • Extensive experience with modern programming languages and frameworks, • (Ruby on Rails and React highly desirable), • Proven track record of building scalable, efficient software systems, • Strong understanding of the software development lifecycle and agile methodologies, • Experience working with cross-functional teams (Product, Design, Engineering), • Experience recruiting and mentoring junior engineers is a plus 💡 Skills • Proficiency in modern programming languages and frameworks, • Strong grasp of data structures, algorithms, and software design principles, • Experience with databases, APIs, and networking, • Knowledge of software testing methodologies and tools, • Familiarity with DevOps practices and tooling, • Ability to learn and adapt quickly to new technologies, • Clear, confident written and verbal communication ✅ What We Offer • Competitive salary: £70,000–£85,000 depending on experience, • Annual leave: 25 days, rising to 28 days over three years, • Fully remote, flexible working, • Pension scheme, • Professional development sponsorship and matched charity funding, • Private health and dental care after one year of employment

Backend Engineer - Fintech SaaS Location - Central London hybrid, 1 day a week in the office Tech stack - Java, Spring Boot, Kotlin, AWS Neulinx has partnered with a growing fintech SaaS startup that’s transforming accounting through automation and AI. They’re now looking to hire a Backend Engineer to join the team and help build the next phase of the product. This is a great opportunity for someone who enjoys working in a fast-paced startup environment with real ownership and impact. My client is also keen to speak with Backend Engineers who come from a corporate environment but want to transition into the startup space. The Role You’ll work closely with the engineering and product team (5 person strong) to build and improve core backend systems powering the platform. This is a hands-on backend role in a collaborative, product-led environment. Key skills • Java, • Kotlin, • Spring Boot Additional desirable experience • AWS, • MySQL, • OpenSearch, • Ruby on Rails Salary & Benefits • Up to £85k depending on experience, • Share options from day one, • 25 days holiday plus public holidays, • Annual personal L&D budget If you're ready to play a hands-on role as a Backend Engineer in a fast-growing startup building genuinely impactful tech, we’d love to hear from you.

We are working with a London based company who are in the market for very experienced Rails Engineers. • Start ASAP, • You must have deep Ruby/Rails experience, • Opportunity for an IC to have responsibility with coaching and mentoring, • Opportunity to work across teams, • Responsibility around system design, architecture and driving technical strategy, • Hybrid - 1 day per week into the London office, • Up to £130k basic + benefits including equity Please apply with an updated CV to be considered.

Ruby on Rails Developer | Ruby, Postgres, JavaScript | Fully Remote, Up to £80k We're working with a fast-growing, product-led tech company looking for a Ruby on Rails Developer to join a small, high-impact engineering team. You’ll be building and shipping features end-to-end in Rails, working across backend and frontend, and playing a key role in how the product evolves. This is a high-autonomy environment with a strong focus on output. Responsibilities: • Deliver features end-to-end from problem through to release, • Build and maintain functionality in a Ruby on Rails codebase, • Work across backend and frontend as required, • Debug issues and improve performance and reliability, • Collaborate with wider teams to shape solutions, • Contribute to improving development workflows and processes Skills: • Strong experience with Ruby on Rails, • Comfortable working full-stack with JavaScript, CSS and SQL, • Ability to work independently and take ownership of delivery, • Comfortable working in a fast-moving environment, • Open to using AI tools within the development workflow Location: Remote Salary: £60-80k Ruby on Rails Developer | Ruby, Postgres, JavaScript | Fully Remote, Up to £80k

Senior Ruby on Rails Engineer Fulham (2/3 days on-site) £60,000 - £80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments. The ideal candida

Ruby on Rails Developer – London (Hybrid) A fast-growing technology business is building the next generation of insurance solutions, helping major e-commerce platforms protect customers while delivering simple, modern insurance experiences. If you want meaningful ownership instead of bei

This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges.

About you: You're a senior software engineer with experience of building developer tooling and APIs You have strong hands-on experience with Ruby, TypeScript and React You have experience within a product focussed B2B SaaS environment You have experience of making technical decisions that drive proj

Were seeking a qualified accountant (CA, ACCA, CIMA, or equivalent) to join a growing family investment company with a diverse portfolio in the UK and overseas.This is an exciting opportunity for a commercially minded finance professional who wants to play a key role in shaping the future of a dynam

Quant Capital is urgently looking for a Lead Java / Scala / Ruby Developer.

Job Opening: Junior Java Developer. Quant Capital is urgently seeking a Junior Java Developer to join our high profile client. We are looking for a passionate Junior Java Developer with experience in Python, Ruby, and Fintech50.

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A leading property technology company is looking for a Full Stack Ruby/Rails Developer. This remote position requires strong expertise in Ruby on Rails and cloud services such as AWS and GCP.

They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team. Hybrid in London (3 days a week in the office). This is a backend focused role although any frontend experience is a bonus.

Candidates should have commercial experience with Ruby on Rails, along with skills in Javascript and HTML.

A healthcare technology company is searching for a Senior Support Engineer to help resolve technical issues affecting private doctors' practices across the UK. The role promises a supportive and autonomous work culture, competitive salary, and direct involvement in impactful decision-making.

Koinly was built to solve this very problem by integrating with all major blockchain exchanges.

Ruby Developer - Up to £75,000 - SaaS. Backend development using Ruby on Rails.

If you are interested in solving complex problems, then we are looking forward to seeing you be a part of our team! Now we have 160K requests per minute, half are writing, our database is growing by 1% per day, 5 million users a day send 15 million records, about 50 million requests to the database!

Familiarity with performance profiling tools in Ruby.

Established in 2008, the company operates across the United Kingdom region and beyond, focusing on proactive management and in-house developed solutions delivered through their own datacenter infrastructure. In this role, you will contribute to designing and developing innovative software solutions

Linux DevOps Engineer - Linux, Ruby, Coffeescript, Puppet, NoSQL. Happy to get stuck into a complex technology stack (Ruby, Coffeescript, Java, Scala).

Quant Capital is urgently looking for a Lead Java / Scala / Ruby Developer.

You will have come from a development background, ideally in either Python or Ruby, and have worked consistently in cloud environments with AWS or GCP.

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 team to design and deliver high-quality applications.Experience designing and building Ruby-on-Rails applications in

As a Ruby Developer, you’ll be responsible for writing clean, modern code that adheres to best practices. Our backend follows a microservices architecture, consisting of multiple small services—primarily built with Ruby—that collectively power the user experience. Design, build, and maintain s

A leading tech company in London is looking for a highly experienced software developer with a strong background in Ruby/Rails and React.Ideal candidates should have over 10 years in professional software development, with expertise in fintech or blockchain-based solutions.The role offers a competit

Linux DevOps Engineer - Linux, Ruby, Coffeescript, Puppet, NoSQL. Requirements for a Linux DevOps Engineer. As a Linux DevOps Engineer, you MUST have the following skills (the below also gives you an idea of the stack):.

A technology solutions company in London is seeking a Solutions Architect to lead technical implementations and design tailored solutions for enterprise clients.The ideal candidate will have strong skills in APIs, programming (Ruby/Rails or Python), and experience with CI/CD.This role requires excel

Join Ten10 as a Senior Software Developer in Test Job Type: Permanent Working Model: Hybrid Looking for your next challenge? At Ten10 , were transforming how businesses deliver quality software, and were looking for a passionate Senior Software Developer in Test to join our growing team. If youre a skilled developer with a love for testing and problem-solving, this is your chance to make a real impact. ?? Important: All applicants must be eligible for SC clearance . Not sure if you qualify? Check here. Why Ten10? At Ten10, were proud to be one of the UKs leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . We bring together exceptional talent to deliver innovative solutions that help our clients release software faster and with confidence. Heres why youll love being part of our team: Exciting Projects: Collaborate on challenging, impactful projects with a wide range of industries, from finance to government and beyond. Career Growth: Tailored training and development opportunities to help you reach your goals. Team Culture: Join a supportive, inclusive team that values collaboration, creativity, and innovation. Flexibility: Hybrid working lets you balance work and life. About the Role This is more than just a job, its an opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , youll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead and mentor small teams of automation testers, providing guidance and technical direction. Take ownership of QA strategies, influencing testing best practices. Play a client-facing role, ensuring our solutions align with their business needs. What Were Looking For We know great talent comes in many forms. If youre excited about this role but dont tick every box, wed still love to hear from you! Essential Skills & Experience: Infrastructureand Security Testing TerraTest, Terraform Test or ZAP Proven expertise in automation testing using Playwrigh t and Selenium Eligibility for SC clearance . Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript , or similar. Strong knowledge of integration testing and automation frameworks . Experience leading small teams of testers and contributing to the overall QA strategy . Knowledge of performance testing tools like JMeter, Gatling, K6 or Neoload . Hands-on experience with CI/CD pipelines and tools (e.g., Jenkins, CircleCI, GitLab CI, Azure DevOps). Excellent communication and stakeholder management skills. Bonus Points for: Previous experience in a consultancy environment . Hands-on coding experience in additional languages like Python, Ruby, Scala, PHP, or C++ . Whats in It for You? At Ten10, we believe in recognizing and rewarding great work. Heres what you can expect: 25 Days of Annual Leave: Plus 1 extra day every year for the first three years, with a holiday buying scheme. Pension Plan: Employer-matched contributions up to 5%. Health Benefits: Comprehensive coverage for medical, dental, optical, and alternative therapies. Fitness Support: Subsidized gym memberships and a bike-to-work scheme. Commuter Benefits: Season ticket loans to make travel easier. Flexible Work Model: Hybrid working that fits your lifestyle. Social Events: From annual kick-offs and Christmas parties to team socials and sporting events, we love celebrating success together. Training & Development: Tailored learning opportunities and full support for certifications to keep your skills sharp. Lets Build the Future Together Were on the lookout for passionate, talented individuals who are ready to make an impact. Whether youre an experienced automation tester or a developer with a flair for QA, we want to hear from you. Ready to take the next step? Apply now and join us on this exciting journey! TPBN1_UKTJ

Backend Engineer Salary: Up to £75k (DoE) * Hybrid: 1 day/week in London * No sponsorship offered I'm recruiting on behalf of a fast‑growing accounting‑tech startup that builds automation and AI tools for in‑house finance teams. The company has strong traction and is expanding its engineering team. Role Overview Develop and maintain backend services powering automation features Work closely with product and leadership in a fast‑paced startup environment Rapidly prototype ideas and help scale them into reliable production systems Occasionally contribute small frontend updates (React/TypeScript) Tech Requirements Must have: Java or Kotlin, Spring Boot MySQL, OpenSearch, AWS Nice to have: Groovy, Ruby on Rails, React/TypeScript Candidate Profile Several years' backend engineering experience Prior startup experience strongly preferred Strong problem‑solving mindset Comfortable working independently and collaboratively Must already have the right to work in the UK (no sponsorship) Benefits Share options 25 days holiday + bank holidays Personal learning & development budget High‑impact role in a small, scaling team Services advertised by Gold Group are those of an Agency and/or an Employment Business. We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website