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We're looking for a Senior Ruby-On-Rails developer to help continue to grow our volunteer platform in order to give. In order to accelerate OLIO to its next level in growth and impact, we are recruiting new Ruby-on-Rails Developers.

Join Creative Assembly and craft deep and detailed games that last, entertaining millions of players across the globe for decades. The Role Creative Assembly’s Total War Infrastructure Team is seeking a Senior Build Tools Engineer to drive technical improvements and contribute to the architecture of our build systems, toolchain, CI and automated testing infrastructure that supports all Total War development teams. This is a high-impact role. Your work will directly influence developer productivity, CI stability, build cadence, automation reliability and the studio’s ability to deliver multiple large-scale projects in parallel across multiple platforms. We are looking for someone who not only delivers but also drives technical priorities, someone who can see where the platform needs to evolve and make those changes happen. You will work closely with build engineers, tools programmers, test automation teams, IT, QA and multiple game teams across the studio. As a senior engineer, you will be expected to lead initiatives, shape technical standards, mentor others and act as a point of escalation for complex issues across the infrastructure space. This is a hybrid role. We’re looking for someone who can be in the Horsham studio 1-2 days per week to collaborate closely with the team and stay connected to on-site workflows. • Own and drive the evolution of CA’s multi-project build pipelines, including pre- submit, post-submit, scheduled tests, console and PC workflows., • Define and drive improvements in CI reliability, error detection, logging standards and quality guardrails in CI., • Strengthen the development and reliability of deployment pipelines that deliver builds to internal teams, QA and external platforms, ensuring consistent and repeatable releases across all target destinations., • Design, build and maintain backend services such as build storage infrastructure, symbol servers, archiving systems and dashboards, ensuring they scale with studio demand., • Write and review production-ready code, primarily in C++ and C#, setting expectations for quality, maintainability and testing., • Join the rotating weekly support responder role to triage build/test issues across all infrastructure channels., • Establish key metrics and dashboards that surface issues early, track reliability trends, and demonstrate measurable improvement over time., • Identify bottlenecks in hardware utilisation, storage strategy, CI capacity, and build roadmap to address them., • Support other engineers, contributing to knowledge sharing, documentation, and improved engineering practices., • Work with the test automation team to integrate comprehensive quality gates into CI workflows, ensuring fast and actionable feedback for development teams., • Strong experience designing, operating and improving build systems, CI/CD pipelines or DevOps platforms at scale., • Strong programming ability in C++, plus C# or an equivalent scripting language., • Deep debugging skills across complex multi-component systems., • Experience with console automation (PS5/Xbox)., • Experience with online store APIs (e.g. Steam/MS)., • Familiarity with Perforce or similar version control systems in large team environments., • Familiarity with branching strategies and their application in large-scale, multi-project environments., • Strong communication skills, with the ability to influence across disciplines and engineering leadership., • Comfortable balancing hands-on technical work with broader architectural thinking., • Experience with hardware build farms, build node provisioning and cost-effective on-prem resource management., • Strong understanding of build storage, archiving strategies and performance constraints., • Experience with large-scale CI environments., • Experience in improving tooling UX, dashboards, and workflow automation. We care deeply about the experiences we create and put our players at the heart of our decisions. We are all game makers; no matter our role we are empowered to make significant contributions to our games, supported by skills development and growth opportunities. Most roles at Creative Assembly are hybrid with 3 days a week in the studio. CA has the right to change requirements based on the needs of the business. We offer many benefits to support you and your family including: • Work from Anywhere for a temporary period each year (restrictions apply such as VISAs), • Enhanced holiday allowance, maternity and paternity breaks, flexibility with our core hours, and no-notice holidays, • Performance-based discretionary bonus scheme, • Bespoke relocation package for you and your dependents, • Private medical and dental insurance, life insurance and free health care screening, • Additional benefits ranging from free games and work parties to discounts on technology, • Wellbeing support and virtual confidential counselling We are an equal opportunities employer and encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, marriage or civil partnership, pregnancy or maternity, religion or belief. Our studio sites have disabled access. We believe that making the best games relies on having the best people, so we make sure that we look after ours… For our gaming buffs, you can get involved in our lunchtime get gaming sessions in our games lounge and Club SEGA, regular gaming tournaments and free SEGA games on Steam. If you're more of a foodie, you can take advantage of fresh fruit and cereal every single day. Fitness fanatics will love our discounted gym membership, ride to work scheme, workout area and bootcamps in the business park. You can find your zen with weekly yoga classes as well as in-house massage therapy. You'll have access to a comprehensive benefits package that includes life assurance, income protection, private healthcare & dental insurance schemes and an enhanced contributory pension scheme. We offer competitive salaries and a fantastic bonus scheme so that you can stay motivated and focused on making SEGA the best it can be. We hold regular lunch & learn sessions, company updates at incredible venues in Central London and Christmas parties that you’ll want to brag to your mates about! What’s not to love? We pride ourselves on having flexible working hours to ensure that you have a life outside of the office. We want people of all backgrounds to see themselves represented and included in our work, so we actively seek to diversify our team and bring more voices to the table. All applicants are welcome! And that’s just the tip of the iceberg. Check out our Careers Website to find out why we are a workplace you’ll never want to leave! #J-18808-Ljbffr

Join Creative Assembly and craft deep and detailed games that last, entertaining millions of players across the globe for decades. Creative Assembly's Total War Infrastructure Team is seeking a Senior Build Tools Engineer to drive technical improvements and contribute to the architecture of our build systems, toolchain, CI and automated testing infrastructure that supports all Total War development teams. This is a high-impact role. Your work will directly influence developer productivity, CI stability, build cadence, automation reliability and the studio's ability to deliver multiple large-scale projects in parallel across multiple platforms. We are looking for someone who not only delivers but also drives technical priorities, someone who can see where the platform needs to evolve and make those changes happen. You will work closely with build engineers, tools programmers, test automation teams, IT, QA and multiple game teams across the studio. As a senior engineer, you will be expected to lead initiatives, shape technical standards, mentor others and act as a point of escalation for complex issues across the infrastructure space. This is a hybrid role. We're looking for someone who can be in the Horsham studio 1-2 days per week to collaborate closely with the team and stay connected to on-site workflows. • Own and drive the evolution of CA's multi-project build pipelines, including pre- submit, post-submit, scheduled tests, console and PC workflows., • Define and drive improvements in CI reliability, error detection, logging standards and quality guardrails in CI., • Strengthen the development and reliability of deployment pipelines that deliver builds to internal teams, QA and external platforms, ensuring consistent and repeatable releases across all target destinations., • Design, build and maintain backend services such as build storage infrastructure, symbol servers, archiving systems and dashboards, ensuring they scale with studio demand., • Write and review production-ready code, primarily in C++ and C#, setting expectations for quality, maintainability and testing., • Join the rotating weekly support responder role to triage build/test issues across all infrastructure channels., • Establish key metrics and dashboards that surface issues early, track reliability trends, and demonstrate measurable improvement over time., • Identify bottlenecks in hardware utilisation, storage strategy, CI capacity, and build roadmap to address them., • Support other engineers, contributing to knowledge sharing, documentation, and improved engineering practices., • Work with the test automation team to integrate comprehensive quality gates into CI workflows, ensuring fast and actionable feedback for development teams., • Strong experience designing, operating and improving build systems, CI/CD pipelines or DevOps platforms at scale., • Strong programming ability in C++, plus C# or an equivalent scripting language., • Deep debugging skills across complex multi-component systems., • Experience with console automation (PS5/Xbox)., • Experience with online store APIs (e.g. Steam/MS)., • Familiarity with Perforce or similar version control systems in large team environments., • Familiarity with branching strategies and their application in large-scale, multi-project environments., • Strong communication skills, with the ability to influence across disciplines and engineering leadership., • Comfortable balancing hands-on technical work with broader architectural thinking., • Experience with hardware build farms, build node provisioning and cost-effective on-prem resource management., • Strong understanding of build storage, archiving strategies and performance constraints., • Experience with large-scale CI environments., • Experience in improving tooling UX, dashboards, and workflow automation. We care deeply about the experiences we create and put our players at the heart of our decisions. We are all game makers; no matter our role we are empowered to make significant contributions to our games, supported by skills development and growth opportunities. Most roles at Creative Assembly are hybrid with 3 days a week in the studio. CA has the right to change requirements based on the needs of the business. We offer many benefits to support you and your family including: • Work from Anywhere for a temporary period each year (restrictions apply such as VISAs), • Enhanced holiday allowance, maternity and paternity breaks, flexibility with our core hours, and no-notice holidays, • Performance-based discretionary bonus scheme, • Bespoke relocation package for you and your dependents, • Private medical and dental insurance, life insurance and free health care screening, • Additional benefits ranging from free games and work parties to discounts on technology, • Wellbeing support and virtual confidential counselling We are an equal o #J-18808-Ljbffr

We offer a supportive team environment with opportunities to learn, develop, and progress your career, along with a competitive package including a salary of £75k, an 8% bonus, 10% pension, and private healthcare. This is a hybrid role with 2 days a week onsite, offering the chance to work on compl

We're looking for a skilled and proactive Senior PHP Developer to join our Development team, taking ownership of technical solutions that support our digital platforms, customer journeys, and wider business objectives. If you're a solutions-focused developer with strong attention to detail, a passio

Deliver experiences in the form of on demand courses in our LMS and instructor led training with customers and developers.

Strong professional experience as a Python developer, at or near senior level. You may already manage one or more developers, or you may be ready to take that step, supported by our programme of leadership and management training. Line manage one or more developers: regular one-to-ones, objective se

We are hiring across two overlapping profiles — Senior Java Developer and Application / Migration Architect — and expect most people to move between programmes as engagements start and complete.

As a Senior Developer Relations Engineer, you will serve as an internal and external technical champion for Cloudsmith. Cloudsmith is built by developers, for developers. We're critical infrastructure by developers / for developers and building the world's software supply chain platform and ecosyste

As a Senior Microsoft Power Platform and AI Developer, you will work with users, product teams, engineers, architects, security and operational colleagues to turn complex needs into reliable services. You will review code and designs, mentor developers, improve engineering practices and support

CI/CD pipeline tooling, automation frameworks, and developer productivity infrastructure.

The Veeva Link team seeks a Senior Search Developer who will participate in all aspects of autonomously architecting and developing new search products at a global scale.

We’re looking for an experienced Magento backend developer to help lead the delivery of high-quality e-commerce solutions and mentor a growing team. Additionally, you’ll play a key part in mentoring and supporting team members, sharing knowledge, and upskilling the next generation of developers.

Opus Recruitment Solutions provided pay range.This range is provided by Opus Recruitment Solutions.Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.I’m proud to partner with Europe’s largest board technology and advisory firm.Through a suite

A leading legal and professional services firm is looking for an experienced SQL Developer to join their Applications & Development division.

TELECOM ACQUISITIONS LTD in Horsham is seeking a Senior PHP Developer to design, develop, test, and maintain PHP-based applications and integrations.

Ampa’s Data & Analytics team is seeking a Senior Power BI Developer & Data Engineer to deliver enterprise-grade analytics and data solutions across debt finance (DebtTrak/Aderant) and Peppermint CMS reporting. Senior Power BI Developer Data Engineer. Senior Power BI Developer & Data Engineer.

This is a hands-on senior role. Technical influence and ownership in a senior role. Support and mentor less experienced developers.

Erin Associates Ltd in Teesside is seeking an experienced Senior Full Stack Developer to shape technical direction and build features across the Python/Django platform.

Are you an experienced Senior Developer with proven expertise with Python / Django? This is an opportunity to join a growing SaaS company that is establishing its UK presence by bringing in an experienced Senior Full Stack Developer. Python Developer, Senior Software Engineer, Full Stack Developer �

Senior Ruby on Rails Developer – eCommerce / Search. Back End Developer, Ruby on Rails Software Engineer. Work collaboratively with developers, QA, product and wider technology teams.

A leading financial services firm in London is seeking a talented Quantitative Developer to build next-generation trading platforms.

A reputable technology company in the UK is seeking a Senior Infrastructure Developer to enhance their cloud platform.

Savaria UK Ltd in Kingswinford is seeking an experienced software developer with 4+ years in web and back-end development.

Join our client, a prominent insurance company in London, as a permanent Qlik Developer within their Data Quality & Analytics team.

Strong commercial experience as a Software Developer, Senior Developer, Software Engineer, or similar role. Mid-to-Senior level developer with a passion for solving difficult technical problems. Senior Developer - Platform Stability, Performance & Engineering Excellence.

We are looking for experienced full-stack developers to join our expanding development team to lead development work on our market leading intelligence platforms. Guide and mentor developers to achieve project deliverables in a timely manner. Working across teams, supporting clients and reporting pr

We are seeking an adept senior developer with a strong command of. In this role, you will collaborate closely with product owners and our existing application developer, understanding our current code and frameworks, and utilising your expertise to enhance and seamlessly migrate functionality into o

As a Senior Product Developer, you will play a key role in bringing UVU’s innovative designs to life, working closely with industry‑leading creatives and collaborating across design, production, and merchandising teams. Manage, train and closely collaborate with Junior Product Developer.

A global engineering consultancy is seeking a Senior Software Engineer to develop Java-based applications for advanced submarine systems.

Searchability in York is seeking a Senior. NET Developer to help migrate our Windows Forms-based client to a web-based platform within a microservices architecture.

Are you a Senior Front End Developer who wants a bigger say in the direction of a product's front end?. As one of the senior members of the team, your views on how it's built will carry real weight. Working with the back-end developers to get new features live.

Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920 per day - Hybrid working/ London. Senior Algo Developer (Java, Low Latency, FX) 1-year Contract - Inside IR35 - £920 per day - Hybrid working/ London. Tenure as a Senior Java Developer - Essential.

A leading consulting firm in London is seeking a VBA Developer for their Application Support team.

As Disturbia continues to grow, we are looking for a Senior Front-End Developer to join our IT & Dev team in Newcastle. This is a senior, hands-on role with ownership of the quality, performance and maintainability of our customer-facing Shopify experience.

We’re looking for a Front‑End Developer specialized in React. Proven experience as a Front-End Developer with a focus on React. Get notified about new Frontend Developer jobs in.

Senior Front End Developer – Global Workforce Technology Innovator – London. If you’re a Senior Front End Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. As a senior engineer, you’ll help define the future of the shared codebase

If you are a Senior Android Developer interested and wish to learn more please apply or get in touch for more details as interviews will be taking place immediately. Get notified about new Android Developer jobs in London Area, United Kingdom.

The successful candidate will have proven experience as a Senior Developer with strong expertise in Azure Functions, serverless and event-driven architectures, and cloud-native application development. We are seeking an experienced Senior Azure Developer to play a key role in the design, development

The successful candidate will mentor junior developers and work with the product owner to prioritise features, while ensuring the solution meets required accreditations and is deployed successfully at client sites. Colten Care is seeking a skilled C# Developer to join our tech team and help deliver

Morson Edge (Technology) is seeking a Senior Azure Developer based at our Hertfordshire office.

Senior React Developer - Up to 180k Base + Exceptional Bonus - Elite FinTech Firm - London. My client is looking for talented React Developers to join their high‑performance team! You will be pivotal in building slick and complex enterprise‑grade applications that are crucial in supporting tradi

Senior Full-Stack Developer | Symfony & Angular | Rapidly Expanding Tech Company. Proven experience as a senior developer with deep expertise in. Senior Full Stack Developer (Symfony/Angular).