London, South East, England, United Kingdom Hybrid / WFH Options
Inventive Search Ltd
Full Stack Developer (RubyonRails) – Contract We’re seeking a remote full stack developer to join our mission to make block management effortless, compliant and transparent. You’ll work across backend (RubyonRails) and frontend (HTML/CSS/JavaScript – Stimulus, Hotwire, or React) to ship features quickly and reliably. You’ll … design, build and maintain scalable features, collaborate with product and design, write clean, well-tested code and help improve performance. Requirements: 3+ years’ RubyonRails experience in production Strong JavaScript, HTML/CSS skills (Stimulus/Turbo/React) Knowledge of REST APIs, PostgreSQL, testing (RSpec/Minitest) Excellent communication and self-management in remote work … Nice to have: Tailwind CSS, DevOps, Stripe/API integrations, startup experience. About the Project We're building a modern web application using RubyonRails as the backend framework, paired with a lightweight JavaScript frontend (e.g., StimulusJS, Hotwire, or React, depending on your stack). This app serves is on a mission to make More ❯
Farnborough, Hampshire, England, United Kingdom Hybrid / WFH Options
Salt Search
NEW ROLE AVAILABLE - SENIOR RUBYONRAILS SOFTWARE ENGINEER- PERMANENT Location: Farnborough GU14 Salary: £55,000 - £65,000 Working Pattern: Monday - Friday (Hybrid 2 days onsite) I'm working with a well-established company based in Hampshire who are looking for a Senior RubyonRails Software Engineer to join their team. The successful … candidate will take full ownership of software development, working on impactful projects with modern technologies such as Docker, Cloudflare, and Heroku. You'll be responsible for developing clean, scalable, and user-friendly applications, collaborating with cross-functional teams to deliver new features, and leading all phases of the development lifecycle. Key skills and experience: Proven RubyonRails development experience Strong understanding of object-oriented programming, MVC, RESTful APIs Experience with front-end technologies like JavaScript, HTML, CSS PostgreSQL and relational database knowledge Experience with Git and GitHub Proficient with Docker containerisation and orchestration tools such as Kubernetes Familiarity with Cloudflare for CDN, DNS, and security management Experience deploying and managing applications on Heroku More ❯
NEW ROLE AVAILABLE - SENIOR RUBYONRAILS SOFTWARE ENGINEER- PERMANENT Location: Farnborough GU14 Salary: £55,000 - £65,000 Working Pattern: Monday - Friday (Hybrid 2 days onsite) I'm working with a well-established company based in Hampshire who are looking for a Senior RubyonRails Software Engineer to join their team. The successful … candidate will take full ownership of software development, working on impactful projects with modern technologies such as Docker, Cloudflare, and Heroku. You'll be responsible for developing clean, scalable, and user-friendly applications, collaborating with cross-functional teams to deliver new features, and leading all phases of the development lifecycle. Key skills and experience: Proven RubyonRails development experience Strong understanding of object-oriented programming, MVC, RESTful APIs Experience with front-end technologies like JavaScript, HTML, CSS PostgreSQL and relational database knowledge Experience with Git and GitHub Proficient with Docker containerisation and orchestration tools such as Kubernetes Familiarity with Cloudflare for CDN, DNS, and security management Experience deploying and managing applications on Heroku More ❯
We are hiring a Software Engineer to join our Researcher Acquisition squad. This is a cross-functional squad, focused on our community of world class health researchers. Working closely with the OFH access team, we provide Researchers with various tools, content and support to join the OFH mission and run studies of good quality in our trusted research environment. … We're looking for candidate with a good background in RubyonRails but has an open mind to working on other technologies. Our core tech-stack includes RubyonRails, PostgresSQL , Terraform (IaC), running in Azure ( Kubernetes and Azure AppService ). There is also some overlap with our squads that mainly use … good health for longer. To succeed in this role you will already have some of the following skills: Technical skills Knowledge and experience of building cloud-hosted applications, using RubyonRails, in a start up-, public service-, or charitable setting. Additional experience with Node.js and Typescript and Python would be a nice to have. Prior experience More ❯
Tewkesbury, Gloucestershire, United Kingdom Hybrid / WFH Options
mmtm
Tewkesbury (UK) - Hybrid Remote (in-office on Tuesdays) - UK Applicants Only Posted 6/9/2025 mmtm (pronounced momentum ) is a UK-based digital agency that designs and builds bespoke web apps for clients across industries. We're a small (but growing), remote-first team that cares about clean design, smart strategy, and code that actually gets used. … their growth through the products we build and manage. Right now, we're also growing our own in-house product suite - so it's an exciting time to get on board. The Role We're looking for a full-stack RubyonRails developer to join our friendly, fast-moving team. You'll be working closely … alongside our lead developers to deliver high-quality digital solutions for our clients and their customers. You'll be learning on the job and our aim will be for you to progress quickly in a wide range of technical areas. We want to provide you with well rounded full-stack knowledge that you can apply to great success. You More ❯
Crowborough, Sussex, United Kingdom Hybrid / WFH Options
Elysium LTD
of projects throughout their life cycle. Our self-imposed quality controls ensure we always deliver work and services in which we can take pride. We are looking for experienced RubyonRails developers to join our Crowborough team. You will be confident, independent, perhaps aiming to make your first move into a Senior Developer role or have … that the product not only meets the specification but excels when further updates are made. We are looking for someone who: Has more than 2 years commercial experience of RubyonRails development and is looking for a mid-level position. or Has more than 3 years commercial experience of RubyonRails development … a small software development company outside of a city setting. Is confident in their opinions and able to represent them in group discussions. Can work independently with minimal supervision on long projects. Can communicate well with less technical parties. We would be impressed by: An understanding of Linux based servers. Confidence discussing requirements with customers. Awareness of ISO27001 and More ❯
engineering team. The digital advertising industry is riddled with interesting challenges as we continue to scale out our platform with a fast growing list of customers. Our technologies include RubyonRails, React, AWS SES, Go, GraphQL, Redis, Elasticsearch, Amazon Redshift, and others. Engineering at StackAdapt: At StackAdapt, you will be directly involved in leading your team … to deliver production level code that will have a direct impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks such as GoLang, RubyonRails, React, GraphQL and more. StackAdapt's engineering organization believes in working collaboratively and cross functionally. You will get the … Bring to the Table At least 2 years of leadership experience, including people management Proven track record of delivering results and leading growing, high-impact teams Prior experience working on email marketing automation is an asset In-depth experience with JavaScript or Typescript, CSS, HTML Experience working with React.js and Redux At least 5 years experience of software development More ❯
Full Stack Support Engineer (RubyonRails, TypeScript/JS, React, Postgres, Linux) Fully Remote (European time zones only) | Full-Time | Up To £80k/$100k per year DOE About Carebit Carebit is a young, design-led healthcare technology company helping over 1500 private Doctors across the UK run their practices more effectively and efficiently with our … 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 … 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 RubyMore ❯
South West London, London, United Kingdom Hybrid / WFH Options
Get Staffed Online Recruitment
Full Stack Support Engineer (RubyonRails, TypeScript/JS, React, Postgres, Linux) Fully Remote (European time zones only) | Full-Time | Up To £80k/$100k per year DOE About Our Client Our client is a young, design-led healthcare technology company helping over 1500 private Doctors across the UK run their practices more effectively and efficiently … 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 … 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Get Staffed Online Recruitment Limited
Full Stack Support Engineer (RubyonRails, TypeScript/JS, React, Postgres, Linux) Fully Remote (European time zones only) | Full-Time | Up To £80k/$100k per year DOE About Our Client Our client is a young, design-led healthcare technology company helping over 1500 private Doctors across the UK run their practices more effectively and efficiently … 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 … 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
frontends and dashboards and will suit engineers who thrive in agile, problem-solving environments. Key Responsibilities: Fullstack development across backend and frontend applications Backend: Python/Django (primary), some RubyonRails Frontend: React & TypeScript Building UI components, admin functions, backend services, and internal tools Working on distributed systems with multiple communicating services Applying strong analytical … technical challenges Collaborating with product and engineering teams to deliver practical solutions Essential Skills & Experience: Proven experience in Python/Django Solid frontend skills with React & TypeScript Exposure to RubyonRails (nice to have) Experience with distributed systems and observability tools Ability to design solutions across multiple services Strong analytical problem-solving skills and clear communication … teams Culture & Ways of Working: Agile (Scrum) with 2-week sprints Remote-first, with ad-hoc calls when needed Small, supportive teams that value analytical thinking and clarity Emphasis on delivering meaningful, usable solutions Interview Process: Architecture Challenge - Design a system to support new functionality (approx. 90 minutes prep). Technical Interview - 1.5-hour walkthrough of your design and More ❯
and company culture. What You Will Do Your day will start with a warm welcome online and get your tools to start! Your first 30 days will be focusing on getting to know our HackerOnies. You will join your new squad and be onboarded - get to learn the technology stack (RubyonRails + GraphQL + … . Within 60 days, you will have committed a bunch of code to our repositories and will start developing a knack for being a fast and effective software engineer on our codebase. Within 90 days, you will start getting ready to lead your first project. You will have branched out and talked to sales, marketing, and various other functions … into simple, but robust engineering (or non-engineering) solutions. Minimum Qualifications 5+ years of experience in full-stack software engineering, especially within a SAAS environment, preferably with experience in RubyonRails, ReactJS and TypeScript, generative AI, ElasticSearch/OpenSearch, GraphQL Practical experience with GenAI and running LLM models in production Proven experience leading and delivering cross More ❯
More Than Just A Job As a proud B-Corp we focus on using business as a force for good. We do this by balancing out people and planet with profit. For every Mindful Chef recipe box bought we donate the equivalent of a school meal to a child in a less developed country (over 20 million meals donated … by 2030 but there are so many other initiatives that we would love to tell you about! What we are looking for We're looking for Senior, product-focused Rails Engineers to help build our modern full-stack Rails web platform. Collaborating closely with our product and design teams, and the rest of the engineering team, you'll … bring features and products to life following our 6-week cycle Shape Up process. You are Fluent in Ruby, and modern Rails embracing Hotwire and Stimulus. A relentless problem-solver, determined to get things done whether working independently or as part of a team. Infused with a passion for engineering and solving interesting problems with the simplest solutions More ❯
Environment" (the web-based application through which approved researches access the Our Future Health dataset). As the Tech Lead you will play a key role in the collaboration on work with the DNAnexus team. You'll lead the development/integration of products and services built internally. About Us Our Future Health will be the UK's largest … skills You have led the architectural design of systems. Knowledge and experience of building cloud-hosted consumer web applications and backend services using open source technologies such as Node.js, RubyonRails, Python in a start-up or scale-up environment. Knowledge and experience of building backend systems for data movement, processing and storage and provision of … with the flexibility to take bank holidays when it suits you. Enhanced Parental Leave - Supporting you during life's biggest moments. Career Growth & Development - £500 per year to spend on Learnerbly, our learning platform, plus regular appraisals and development opportunities. Cycle to Work Scheme - Save 25-39% on a new bike and accessories through salary sacrifice. Home & Tech More ❯
New Works, Telford, Shropshire, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Exciting Opportunity for Senior Full Stack Ruby Developers in the UK! - Tech for Good I am working exclusively with a client in the Edtech space looking to expand their stable and growing team! We are looking for someone who is technically capable with good soft skills who would be interested in working for a company with a great mission. … Position: Senior Full Stack Ruby Developer Location: UK Salary: Up to £80,000 per annum About the Company: Join a stable and profitable EdTech platform that is the market leader for their niche with plans to expand its product offering. Tech Stack: RubyonRails React AWS Key Requirements: Strong communication skills Proven experience in mentoring More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
TidalSense limited
and Django. Beyond programming, you will contribute to infrastructure improvements, enhance system reliability, and support maintainability through documentation and deployment best practices. You'll work across the stack-collaborating on feature design, coding, testing, automation, cloud infrastructure, and ongoing process improvement. Key Duties & Responsibilities Maintain and enhance our main platform while addressing emerging business needs through varied technical tasks … server-side development (preferably with Django) Expertise in database Object Relationship Mapping (ORM), with a strong preference for experience with the Django ORM, but if not then experience with RubyonRails or Symfony's ORM Experience in developing with relational databases (preference for postgreSQL experience) Expertise with TypeScript Experience developing with a modern frontend web framework … priorities Desirable: Ability to write and maintain Unit testing in Python (PyTest experience preferred) Experience with Terraform or another 'infrastructure as code' deployment language Experience using and configuring services on Google Cloud Qualifications & Experience Essential: Bachelors degree in a STEM subject (or related discipline), or equivalent industry experience in software engineering Industry experience as a full stack developer delivering More ❯
trust and accountability. Employees, researchers, customers, and partners Win Together by fostering empowerment, inclusion, respect, and accountability. Software Engineer II Remote Location: London Position Summary As a Software Engineer on the Enterprise Support team, you will work with Product Managers and Designers on a variety of challenging projects and build features and products for our community and the … fellow HackerOnies through our well-organized and fun onboarding process called H.A.T.C.H. You will be setting up your development environment, getting a feel for our engineering processes, and embarking on a journey to fully understand the domain you will be working with. By day 30 you will have met most of your fellow Engineering HackerOnies, you will have paired … with other Software Engineers, you will have a strong feel for our codebases and products, and will be prepared to start hands-on coding. By day 60 you'll be involved in building a meaningful part of one of the projects and you will have become more connected with our team and various stakeholders. By day 90 you'll More ❯
Get AI-powered advice on this job and more exclusive features. This range is provided by Corecom Consulting. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range Direct message the job poster from Corecom Consulting Associate Director | Building Winning Teams for Tech Companies & High-Growth Startups … Head of Engineering London (Hybrid) Location: London (Hybrid 1 day pw onsite) Contract Type: Permanent, full-time Were looking for a strategic and hands-on Head of Engineering to lead the transition from an outsourced development setup to a high-performing in-house team. This is a high-impact role for an experienced engineering leader ready to shape processes … and business leaders Shape long-term technical strategy, with potential to step into a CTO role What we need from you 7+ years in full-stack development, ideally with RubyonRails, PostgreSQL, and React Proven experience leading technical teams and setting engineering standards Hands-on mindset with a strong bias toward shipping and problem-solving More ❯
The Role - Senior Software Engineer (Growth) At Ophelos, we use cutting-edge AI and a customer-first approach to get people debt-free and organisations paid back. We are on an accelerated journey to roll out our products to 17 European countries. Our Growth squad plays a critical role in this expansion. Building robust and scalable systems that empower … expansion journey. It's a small team of four, with ranging seniority so the majority of your time will be spent working as an individual contributor. Our tech stack: RubyonRails 7, Hotwire (Turbo, Stimulus), View Components, Sidekiq, PostgreSQL, Redis, Serverless, AWS (Fargate, Aurora, ElastiCache), GitHub In this role, you'll get to: Design, implement and … in building and maintaining public-facing APIs. Appreciation of clean architecture and design patterns and understanding of the benefits of test-driven code. Ownership and self-motivation to take on tasks with loose requirements and see them through to successful completion. Nice to haves: Experience working with large datasets and building tools for data ingestion and processing. You enjoy More ❯
Shoreditch office near Old Street) Salary: £60-90k dependent upon the value the successful candidate brings! Our Mission: Fixing Trust in Commerce For a decade, we've been on a mission to close the Trust Gap-commerce's most expensive problem. In a world where distance and digital interfaces separate buyers and sellers, we're building the definitive … grown from an idea into the dominant force for trust in e-commerce: Shopify's Review Solution : We've earned over 42k five-star reviews from merchants who rely on us daily Global Scale : More than 500k shops across 140+ countries use our platform Massive Reach : We process over 70 million orders monthly, generating 2 million+ verified buyer reviews … RESTful API design principles and microservices architecture Strong analytical and problem-solving abilities with attention to system performance Excellent communication skills with both technical and business stakeholders Preferred Experience RubyonRails proficiency (our primary backend framework) Intercom platform and API experience or similar customer communication platforms AI/ML technologies knowledge and practical implementation experience Jira More ❯
customer experience, dealing with other Cronofy team members across the business, and ensures that customers have positive experiences with Cronofy. This role will also work alongside the Engineering team on a range of product development projects that will, in the long term, aid the ability to support customers on technical product-related issues. This role reports to Rachael … high level of customer support, resolve issues and find practical solutions Engaging with Engineering/Development team to provide appropriate technical solutions, often through the full development lifecycle Working on development projects as part of the Product Engineering team Requirements: Experience with an API or SaaS based business supporting a product Technical customer support experience Development experience with API … s, NodeJS, RubyonRails, C(all), PHP or Go is preferred but not essential Sysadmin experience with MS Exchange and/or Office365 is preferred but not essential How you'll work Our stack Who we think you are You and your approach About you Your capabilities How we work We can support a predominantly remote More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
month contract (likely extension) Candidate must be UK-based - No Sponsorship Available We are seeking an experienced Full Stack Engineer to join a fast-growing health-tech scale-up on an initial 3-month contract. You'll be working end-to-end across backend and frontend, designing and delivering features that power both internal and customer-facing applications. This … with 2-week sprints and daily stand-ups Engage in discovery work and adapt quickly to shifting priorities Tech stack Must have: Python, Django, React, TypeScript Nice to have: RubyonRails, Next.js, distributed systems experience, observability tooling What we're looking for Strong experience delivering both frontend and backend features Ability to translate requirements into clean More ❯
The Role - Senior Software Engineer (Growth) At Ophelos, we use cutting-edge AI and a customer-first approach to get people debt-free and organisations paid back. We are on an accelerated journey to roll out our products to 17 European countries. Our Growth squad plays a critical role in this expansion. Building robust and scalable systems that empower … our expansion journey. Its a small team of four, with ranging seniority so the majority of your time will be spent working as an individual contributor. Our tech stack: RubyonRails 7, Hotwire (Turbo, Stimulus), View Components, Sidekiq, PostgreSQL, Redis, Serverless, AWS (Fargate, Aurora, ElastiCache), GitHub In this role, youll get to: Design, implement and deliver … in building and maintaining public-facing APIs. Appreciation of clean architecture and design patterns and understanding of the benefits of test-driven code. Ownership and self-motivation to take on tasks with loose requirements and see them through to successful completion. Nice to haves: Experience working with large datasets and building tools for data ingestion and processing. You enjoy More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Corecom Consulting
of Engineering – London (Hybrid) Location: London (Hybrid – 1 day pw onsite) Salary: £110k–£130k per annum Contract Type: Permanent, full-time We’re looking for a strategic and hands-on Head of Engineering to lead the transition from an outsourced development setup to a high-performing in-house team. This is a high-impact role for an experienced engineering … and business leaders Shape long-term technical strategy, with potential to step into a CTO role What we need from you 7+ years in full-stack development, ideally with RubyonRails, PostgreSQL, and React Proven experience leading technical teams and setting engineering standards Hands-on mindset with a strong bias toward shipping and problem-solving More ❯
of Engineering – London (Hybrid) Location: London (Hybrid – 1 day pw onsite) Salary: £110k–£130k per annum Contract Type: Permanent, full-time We’re looking for a strategic and hands-on Head of Engineering to lead the transition from an outsourced development setup to a high-performing in-house team. This is a high-impact role for an experienced engineering … and business leaders Shape long-term technical strategy, with potential to step into a CTO role What we need from you 7+ years in full-stack development, ideally with RubyonRails, PostgreSQL, and React Proven experience leading technical teams and setting engineering standards Hands-on mindset with a strong bias toward shipping and problem-solving More ❯