full stack ruby engineer jobs in London

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

As one of the world’s top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by providing credit analysis, ratings, research, and commentary to financial market participants. For over 100 years, Fitch Ratings has been creating value for global markets through its rigorous analysis and deep expertise, which have...

Basic informationLocationBristol, Cambridge, London, ManchesterBusiness LineTechnology & TransformationJob TypePermanent / FTCDate published28-Sep-2026Req #24464Job descriptionConnect to your IndustryDo you want to be at the heart of some of the biggest and most ambitious programmes undertaken to keep our country safe?We are proud of the impact we have with...

Job Description Full Stack Engineer London N1 – Full Time – Hybrid – Salary Dependent on Experience Ready to revolutionize global logistics? Join Reelables and help us transform how the world tracks packages. We’re pioneering paper-thin smart shipping labels using Bluetooth and 5G to track millions of packages globally — and we’re building the...

About the role Jacobi is looking for an experienced Full-Stack Software Engineer to join its team in the UK. In this role, you will be responsible for helping build and evolve Jacobi’s platform, developing robust, scalable systems and services. Your work will strengthen both our core platform and the capabilities that enable clients to develop and operate...

Get AI-powered advice on this job and more exclusive features.We're putting together a talented team to build the #1 training platform for RunnersWe help everyday runners become outstanding by providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. To date we have built...

JPMorganChase is seeking a Full Stack Software Engineer, AI Engineering to design, develop, deploy, and maintain AI products across software, cybersecurity, and infrastructure. You will partner with engineers and researchers to move ideas from prototype to production while upholding high engineering standards.You will contribute to secure, scalable systems...

Senior Full Stack Engineer - Technologist Senior Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands‑on Full...

This cybersecurity startup is building AI-powered threat detection that actually works. While legacy security tools drown analysts in false positives, their platform uses machine learning to identify real threats with precision — from insider threats to zero-day exploits to nation-state attacks. Their customers include FTSE 100 companies and critical...

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount...

DescriptionA Software Engineer (TypeScript) in UNiDAYS is a hands-on software development role focused on building innovative solutions to delight our members and drive product success in a fast-paced company.It’s more than just lines of code; we are looking for a commercially-minded TypeScript Engineer who can bridge the gap between user needs and...

Build and own the web platforms behind Morgan’s Grocer — from the online storefront customers shop on to the internal systems that keep our stores and deliveries running. What you’ll work on The online grocery storefront and customer web experience APIs connecting our web, mobile, store, and delivery systems Internal tools for store operations and...

Join us as a Software Engineer, Full Stack This is an opportunity for a technically minded individual to join us as a Software Engineer You’ll be designing, producing, testing and implementing working software, working across the lifecycle of the system Hone your existing software engineering skills and advance your career in this critical role What...

Build and own polished full-stack product features from problem definition through production. Responsibilities include making interface decisions, developing with Python, FastAPI, PostgreSQL, Next.js, and TypeScript, using AI and LLM tooling, modeling production data, writing SQL, safely changing live data, and working autonomously with users and...

Project description As a Senior-Level UI Engineer, you'll work with senior engineers to build and maintain modern frontend applications in a fast-paced Agile team. This is a hands-on role focused on developing responsive UI solutions, integrating with backend services (including Loan IQ), and leveraging AI-assisted development tools to accelerate learning,...

ABOUT LENDABLELendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start:One of the UK’s newest unicorns with a team of just over 700 peopleAmong the fastest-growing tech companies in the UKProfitable since 2017Backed by...

JPMorgan Chase & Co. in the United Kingdom is seeking a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React.You will collaborate with product, marketing, and partners to translate requirements into robust technical solutions, and contribute to AI-enabled initiatives for content...

LocationUK or Netherlands Tech StackRuby, Angular, TypeScript, SASS, design system, Contentful, GitHub Actions FocusHands‑on full stack product work, with room to grow into frontend About Tech At Bloom & Wild GroupWe're Europe's largest direct‑to‑consumer flower and gifting business (Bloom & Wild, bloomon and Bergamotte). Our Tech team builds the...

Callsign is seeking a talented developer to join the Experience team on a 12-month fixed-term contract ideally starting in 2026. The role focuses on delivering coherent user experiences across the client portal, including enhancements driven by client feedback and data analysis.Key responsibilities include shipping features across the stack, improving...

Responsibilities Build and enhance complex GUI applications used in real-time environments Develop trading, operational and workflow management tools Design and build Python services, APIs and backend components Work on event-driven and distributed systems handling large volumes of data Create intuitive dashboards and visualisation tools for...