full stack ruby engineer jobs in London

iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable...

Voop is building the global child-safe phone network — protecting millions of children and adults from digital harm. About Voop Awareness has never been higher about the damage smartphones can do to young people, yet almost no one is fixing it. Voop is building the world’s first safe mobile platform — a new kind of network that replaces traditional...

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and...

You'll build the interfaces people use to run H's agents: the H Platform, where teams deploy an agent, follow it live and replay what it did step by step, and HoloTab, our Chrome extension that controls the browser on its user's behalf. The work is mostly front end, in React and TypeScript, with changes to the Python APIs behind it when a feature calls for...

We’re looking for an engineer who loves building products in a fast-paced, iterative environment.In this role, you will come up with new ways to unlock value for our users using LLMs and enhance the quality and performance of our application. You’ll be talking directly with users to understand their problems and develop the features they need most.In...

Full Stack Software Engineer | AWS Cloud Platform | Hybrid UKA fantastic opportunity has arisen to join a newly formed engineering team building the next generation of a global, cloud-native platform in partnership with one of the world's leading cloud providers.Working within an Agile environment, you'll help design, develop, test, and deploy scalable...

At CGP we develop all business systems and digital products from our offices on the edge of the beautiful Lake District. Why do it all ourselves? The answer's simple. It's all about high standards and trust — we need to have total trust in our systems, products and people to ensure we deliver annual sales of c. £40m. Who are we looking for? If you're...

We are seeking a full-stack web developer. The ideal candidate will have good experience in web application UI development, developing backend microservices, and event-based architecture. We are happy to meet developers with a particular interest in a subset of the whole stack but as a cross-functional team we need you to have working knowledge of the whole...

Build the future of digital talent. Help bring Tilly Norwood to life. Job Title: Full Stack Engineer Duration: Full-time Start Date: ASAP Experience: 5+ years Company: XICOIA About XICOIA XICOIA builds AI-powered digital talent — starting with Tilly Norwood, the world’s first AI actress — and the systems that allow avatars to perform, evolve and scale...

## Full Stack EngineerApplylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: JR219**Full Stack Engineer**Willis Re is building its global technology estate from the ground up, unencumbered by legacy and designed around data, analytics and modern cloud platforms. We are looking for a Full Stack Engineer to build the...

You'll build the interfaces people use to run H's agents: the H Platform, where teams deploy an agent, follow it live and replay what it did step by step, and HoloTab, our Chrome extension that controls the browser on its user's behalf. H builds agents that use a computer the way a person does, in the browser and on the desktop. What you'll own How people...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data...

About The Company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build a strong tech culture and fix personal finance once for...

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We...

About ElevenLabs ElevenLabs is an AI research and product company transforming how we interact with technology. We launched in January 2023 with the first human‑like AI voice model. Today, we serve millions of users and thousands of businesses - from fast‑growing startups to large enterprises like Deutsche Telekom and Meta. Our investors are some of the...

Job TitleSenior Full Stack Software EngineerThe RoleVanguard, one of the world's largest investment management companies, serves individual investors,institutions, employer-sponsored retirement plans, and financial professionals. We have a diverse andtalented crew with a culture that promotes teamwork, along with an unwavering focus on serving our clients'...

Senior Full Stack Engineer (London)About FreshaFresha is the leading AI-powered operating system for the global beauty and wellness industry, giving businesses everything they need to run smarter, grow faster and build stronger client relationships.In May 2026, Fresha secured an $80M growth investment from KKR at a valuation of $1B, officially reaching...

General InformationJob TitleDirector, Full stack AI EngineerJob ID Work AreasTechnology & EngineeringEmployment TypePermanent Full-TimeLocation(s)Boston, Chicago, London, Sao Paulo, WarsawDescription & RequirementsWhat Makes Us a Great Place to WorkWe are proud to be consistently recognized as one of the world’s best places to work. We are currently the...

OverviewThis range is provided by Tech Talent Partners. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Full Stack Software Engineer - London (Hybrid) - Founding Team MemberA leading UK based technology company seeks a mission-driven Full Stack Web Developer to design and build secure, scalable web...

About the RoleWe’re looking for a Full Stack Engineer to help build the next generation of Full Health Medical’s platform. This is a hands-on engineering role where you’ll design, build and operate distributed systems that process healthcare data at scale.You’ll work across the full technology stack, integrating with third-party platforms, cloud...