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Senior Support Engineer About Our Client Our client is a young, design-led healthcare technology company helping over 2,000 private doctors across the UK run their practices more effectively and efficiently, with their web and mobile platform, and hundreds of thousands of their patients. For too long, medical software has been clunky, user-hostile and complicated, and they are changing that. Several customers have independently described them as ‘the Apple of practice management software’. They are a bootstrapped, profitable and remote-first company of 25 people with 6 Full Stack Engineers including the company’s founder. Having been remote from day one, they fully believe in its benefits. They do have a lovely office in London by the river for in-person collaboration when required, but this is not mandatory as they know some like in-person working and some prefer fully remote. About You Our client is looking for a Senior Support Engineer who thrives on solving real customer problems through hands-on technical work. You’ll sit at the intersection of their support, engineering, and data migration teams – a true technical generalist who enjoys variety. This is a great fit for a strong Developer who wants to take full ownership of debugging, fixing, and enhancing real-world product issues that impact doctors and patients. You’ll work on: • Investigating and resolving bugs or issues raised by our client’s team of Customer Support Specialists., • Making small-to-medium feature tweaks (e.g. modifying exports, adjusting logic)., • Writing Ruby scripts and jobs for post-migration data cleanup or updates., • Collaborating with Developers and support staff to triage, prioritise, and resolve issues., • Strong experience with Ruby on Rails (Rails 7, Ruby 3.4)., • Proficiency with React, TypeScript / JavaScript, and PostgreSQL., • Comfort working in a Linux-based environment (AWS ECS, command line)., • Great debugging and troubleshooting skills – you enjoy getting to the root of problems., • Fluent, friendly communication – especially with non-technical users., • A proactive, independent mindset – you get things done without handholding., • Sysadmin experience., • Fully remote with flexible working, based around UK hours., • Meaningful product used by thousands of doctors and patients every day., • Calm, supportive, and highly autonomous culture., • Direct involvement in product decisions and fixes that impact real people., • Competitive salary.

Contract Lead Ruby Developer– (UK Remote) 100% Remote (EU-Based Candidates Only) 12-Month ContractWe are supporting a leading organisation in the insurance sector as they scale and modernise their cloud-based core platform. They are looking for an experienced Senior Ruby Engineer to join on a 12-month contract, working fully remotely from anywhere within the UK. Role OverviewYou’ll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands-on development role where you’ll contribute to new features, performance improvements, integrations, and architectural evolution within a high-performing engineering culture. What You’ll Be Working On • Developing and maintaining backend services using Ruby / Ruby on Rails, • Building scalable, maintainable components within a cloud-native architecture, • Collaborating with product, cloud, and DevOps teams to deliver high-impact functionality, • Contributing to technical decisions, best practices, and code quality improvements, • Integrating third-party services and APIs within a complex insurance environment, • Supporting ongoing migration, modernisation, and cloud optimisation initiatives What We’re Looking For, • Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer, • Deep understanding of distributed systems and cloud-based application design, • Extensive hands-on experience with AWS, • Solid background in building scalable APIs, microservices, and backend systems, • Familiarity with CI/CD pipelines, DevOps tooling, and modern cloud workflows, • Excellent communication skills and ability to operate within a cross-functional, remote team, • Must be based within the UK for compliance and time zone alignment Nice to Have, • Experience in insurance, financial services, or other regulated industries, • Exposure to containerisation (Docker/Kubernetes), • Knowledge of security best practices in cloud environments

Full Stack Developer X2 (Mid-Level – React, Node) – Product Development (Remote, UK-based) £50k - £60k Full Stack Software Developer required to join our client’s growing Product Development team. This is a unique opportunity to work remotely in the UK, contribute to modern digital platforms, and shape the future of our products in a collaborative and progressive tech environment. As part of their team, you’ll help rebuild and enhance our web platform, backend systems, and APIs, as well as maintain and improve internal and customer-facing applications already in production. Key Responsibilities • Develop new software products and features using modern engineering practices, • Maintain and improve existing applications and services, • Write clean, well-tested, and well-documented code, • Collaborate closely with other developers through paired or mob programming, • JavaScript: React, Node, Jest, Cypress, • Ruby (non-Rails environment) – nice to have, • AWS: EC2, ECS, Lambda, S3, SQS, • Proactive, collaborative, and adaptable, • Approachable and supportive of colleagues, • Fully remote work within the UK, • A key role in a growing, successful team, • A chance to make a tangible impact with your ideas, • Competitive salary and benefits package

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.

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. As the UK’s only B Corp Certified salary sacrifice provider, we’re transforming the future of electric vehicle adoption in the UK through salary sacrifice. Building on that success, we’ve launched The Charge Scheme – an innovative benefit allowing employees to save 20–50% on EV charging via salary sacrifice. Voted 4.9 on Glassdoor and certified by Welcome To The Jungle, it’s never been a more exciting time to join! 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., • Have the opportunity to mentor more junior members as our team grows, sharing your knowledge and fostering a collaborative environment., • Drive technical discussions and decisions within the team, ensuring solutions are scalable, maintainable, and align with long-term strategic goals., • Champion best practices in areas like system design, performance, security, and operational excellence. About you: • 5+ 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, • 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., • Proven ability to lead technical initiatives from concept to completion, often involving multiple team members or complex integrations., • Well versed in production operations, incident response, and performance optimisation. You proactively identify and mitigate risks to ensure system stability and scalability. Benefits: • Hybrid working: Split your week between home and the office, with set in-office days on Mondays and Wednesdays, • 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

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.

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

Job Title: Senior Software Developer Location: Remote (South Coast England) Estimated Duration: 6 months Weekly hours : 40 hours Engagement Type: Outside IR35-Limited contract Rate: £500 - £600 per day Our Client is an Energy technology company are seeking to recruit Senior Software Developer and this is a Remote role. The role is for a contract position of 6 months Outside IR35. Our client has 150-year legacy of innovation and will focus on energy transformation, new technologies, decarbonization and Innovative leading-edge technology. Role: Role Overview This is a 6 month contractor assignment for an experienced Senior Software Developer with a strong focus on business analysis and pre-development solution shaping within a finance environment. The role is designed to provide short-term, high-impact support to Finance and Digital teams by ensuring business needs are clearly understood, analysed and translated into actionable requirements before development begins. Key Responsibilities • Senior Software Developer will engage with Accounting, Controlling and FP&A stakeholders to elicit, clarify and challenge requirements before software development starts., • Analyse current-state and target-state finance processes, identifying inefficiencies, risks and opportunities for simplification., • Translate business needs into clear, prioritised functional and non-functional requirements suitable for delivery teams., • Act as the initial gatekeeper for new requirements and incidents, ensuring they are well-defined, value-driven and technically feasible., • Design pragmatic, sustainable technical solutions aligned to enterprise standards and long-term maintainability., • Provide hands-on senior development input where required, maintaining a solution-level view across the application landscape., • Review existing applications and integrations to assess alignment with business intent and recommend improvements., • Identify opportunities to simplify finance processes, reduce manual effort and improve transparency through digital solutions. What You Bring • Extensive experience as a senior software developer in complex, enterprise environments., • Strong capability in business analysis within technology-led initiatives., • Proven ability to engage confidently with senior finance stakeholders and translate business problems into technical direction., • Solid understanding of finance, accounting or controlling processes and data flows., • Experience with modern development and delivery practices including cloud platforms, CI/CD pipelines and automated testing., • An outcome-focused, pragmatic mindset with the ability to deliver value quickly in a time-bound contractor engagement., • Software tool: Ruby on Rails experience Interested in a fantastic career opportunity with a great pay rate? Apply now to set up an informal conversation with a member of our Recruitment team and find out more information!

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.

Contract Lead Ruby Developer– (UK Remote) 📍 100% Remote (EU-Based Candidates Only) ⏳ 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud‑based core platform.

Principal Full Stack Developer -. Principal Level Full Stack Developer - 75% Hands on Development with Ruby & ReactJS / 25% Line Management - reporting directly into the CTO. Recruitment is DELIGHTED and EXCITED to partner with an exciting UK based company who are looking to add a Principal Software

Senior Level Software Developer (Front-end focused) - 70% ReactJS Development / 30% Ruby on Rails development - £65,000 - £75,000 Senior Level Software Developer (Back-end focused) - 70% Ruby on Rails / 30% ReactJS - £65,000 - £75,000 You'll be joining a team of 4 software engineers building a c

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.

Ruby Developer - FinTech - Up to 55k. They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team.

A London-based tech startup is seeking a full stack web developer to enhance their web presence.You'll work on diverse projects ranging from customer-facing web apps to web services interfacing with machine clusters.The ideal candidate should have strong experience in Ruby and web app development, w

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

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

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

Extensive experience in robust Ruby & Rails API design & development.

A leading tech company in London is looking for a highly experienced software developer with a strong background in Ruby/Rails and React.

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

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

Strong Ruby and Ruby on Rails experience with evidence of shipping production work. We’re hiring a Ruby on Rails Developer to join a small, high-performing team and ship product changes end-to-end. Work pragmatically across the stack (Ruby, JavaScript, CSS, SQL).

We are working with a London based company who are in the market for mid level Rails Engineers. You must have Ruby/Rails experience.

Senior Support Engineer About Carebit Carebit is a young, design-led healthcare technology company helping over 2,000 private doctors across the UK run their practices more effectively and efficiently, with our web and mobile platform, and hundreds of thousands of their patients. For too long, medical software has been clunky, user-hostile and complicated, and we are changing that. Several customers have independently described us as ‘the Apple of practice management software’. We are a bootstrapped, profitable and remote-first company of 25 people with 6 Full Stack Engineers including the company’s founder, Dominic. Having been remote from day one, we fully believe in its benefits. We do have a lovely office in London by the river for in-person collaboration when required, but this is not mandatory as we know some like in-person working and some prefer fully remote. About You We’re looking for a Senior Support Engineer who thrives on solving real customer problems through hands-on technical work. You’ll sit at the intersection of our support, engineering, and data migration teams – a true technical generalist who enjoys variety. This is a great fit for a strong Developer who wants to take full ownership of debugging, fixing, and enhancing real-world product issues that impact doctors and patients. You’ll work on: Investigating and resolving bugs or issues raised by our team of Customer Support Specialists. Making small-to-medium feature tweaks (e.g. modifying exports, adjusting logic). Writing Ruby scripts and jobs for post-migration data cleanup or updates. Collaborating with Developers and support staff to triage, prioritise, and resolve issues. Delivering small fixes to production regularly and reliably. What we are looking for: Strong experience with Ruby on Rails (Rails 7, Ruby 3.4). Proficiency with React, TypeScript / JavaScript, and PostgreSQL. Comfort working in a Linux-based environment (AWS ECS, command line). Great debugging and troubleshooting skills – you enjoy getting to the root of problems. Fluent, friendly communication – especially with non-technical users. A proactive, independent mindset – you get things done without handholding. You must be located within GMT / BST ±3 time zones and available during UK working hours (typically 9am – 5:30pm). Nice to have: Sysadmin experience. Experience supporting SaaS products or working closely with support teams. Why join Carebit Fully remote with flexible working, based around UK hours. Meaningful product used by thousands of doctors and patients every day. Calm, supportive, and highly autonomous culture. Direct involvement in product decisions and fixes that impact real people. Competitive salary

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. This company is a Series A startup, breaking down barriers and making the world more accessible for everyone. Originally founded within the UK transport sector, they have developed award-winning, innovative solutions that prioritise dignity, safety, and inclusion for millions of users. In this varied role, you will move beyond feature development to focus on the stability, performance, and observability of the core Rails ecosystem. You will act as a trusted backend partner for Product and Platform teams, stabilising third-party integrations, improving background job efficiency, and utilising architectural documentation like C4 models to ensure long-term scalability. The ideal candidate will be a seasoned Ruby on Rails developer with deep expertise in PostgreSQL and background processing via Sidekiq and Redis. You should be highly proficient in building RESTful APIs, managing JSON serialisation, and implementing secure authentication methods like JWT or SSO. Beyond coding, you will possess knowledge of Docker and AWS, alongside the communication skills required to translate complex technical risks into clear operational priorities. This is a fantastic opportunity to join a purpose-led business during a period of international scaling. You will have the autonomy to own multiple backend systems, reduce operational risk across global integrations, and play a pivotal role in shaping the architectural future of a platform recognised for its excellence in accessibility and safety. The Role: Lead the evolution of core Ruby on Rails operational platforms. Optimise PostgreSQL performance and Sidekiq background job efficiency. Manage secure third-party integrations and RESTful API design. Partner with Platform teams on AWS and CI/CD reliability. The Person: Deep experience with Ruby on Rails and OOP. Expert in PostgreSQL tuning and complex query optimisation. Proficient with Docker, AWS, and containerised deployment workflows. Strong communicator, capable of leading production incident responses. Reference Number: BBBH(phone number removed) Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates

As part of the first phase of this programme,we require a Ruby Developer to help deliver a series of key enhancements to our CMS and its supporting infrastructure. About the Role You will join a small, highly skilled, and collaborative development team, contributing to project-based digital develop

While we prefer Ruby on Rails developers who meet the critical requirements outlined below, we encourage all passionate developers to apply:. Join our client, a forward-thinking SME Tech for Good SaaS company, as they seek a talented Ruby on Rails developer to join their expanding engineering team.

You maybe a Junior, Mid Level or Senior developer, who thrives in small, fast-moving engineering teams. Not essential, but nice to have: Experience with Ruby on Rails. You’ll be working in Ruby for most of the backend, with Rails, PostgreSQL and Redis making up most our core product.

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.

Good understanding of the syntax of Ruby development and its nuances. A knack for writing clean, readable Ruby code.

As a Senior Ruby Developer, you will play a crucial role in developing and maintaining our Ruby-based backend applications while driving initiatives across DevOps, database architecture, and team leadership. Your experience will help guide the development process and the growth of junior developers.

If you are an experienced Ruby Developer, that is looking to own their own function then APPLY NOW!. As a company they don’t limit their teams and want their developers to be keen on learning new technologies. You will be working with Ruby and have the ability to get stuck into React.

A construction materials marketplace is seeking a Ruby on Rails Developer to join their team. Candidates should have strong Ruby and Ruby on Rails experience, a full-stack mindset, and comfort in ambiguous situations. In this fully remote role, you'll be responsible for building features in a Ruby o

Proven experience with Ruby and Ruby on Rails (RoR) framework. Contribution to open‑source Ruby projects or active GitHub portfolio. You will be responsible for designing, building, and maintaining efficient, reusable, and reliable Ruby code.