senior full-stack developer

Fitch Ratings, a leading global credit ratings agency, seeks a Senior Software Engineer for Ratings Technology in Manchester. You will shape technical architecture, mentor engineers, and deliver mission‑critical, full‑stack applications using Java/Springboot, C#/.NET, Python and React.Embrace AI opportunities to streamline analytics and workflows....

A leading technology company in London is seeking a Senior Full Stack Engineer to work on innovative Greenfield projects. This role involves a 50/50 split between backend and frontend development, utilizing a tech stack that includes TypeScript, Elixir, Elm, and AWS. You will have a significant role in a small, agile team, focusing on complex data-centric...

Senior Software Engineer, Full-Stack Applications – Ratings Technology 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...

Anson Mccade is seeking a Senior Full Stack Kotlin Developer in Leeds. You will lead development of user-centered software, design and maintain scalable Kotlin/Java applications, and collaborate with cross-disciplinary teams to deliver digital services for clients.You will own development and deployment pipelines and mentor engineers. The role requires...

About the Role HTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript...

ECM Selection is seeking a Senior/Lead Full Stack Developer to spearhead a new digital transformation for a UK science research organisation. You will lead hands-on delivery of modern web applications with a strong emphasis on UX, performance and accessibility, while guiding technical direction.You will work with React, Next.js and Python/Django, engage with...

Marmion Ltd in Hull is seeking a Senior Full Stack Engineer to join a growing internal technology function across multiple sites. You will design, develop and support enterprise applications across backend and frontend technologies, helping standardise and modernise the technology estate.The role involves migrating and enhancing existing applications,...

Hopper Inc. is seeking a senior full stack engineer to anchor HTS Assist, owning realtime and voice end-to-end.You will build across React/TypeScript front ends, Scala and Python services, and cloud infra, with a focus on multi-tenant, scalable architecture and safety/compliance integration. The role emphasizes ownership, mentoring, and shaping the platform...

Select how often (in days) to receive an alert: Senior Software Engineer, Full-Stack Applications - Ratings Technology (London) Requisition ID: 50676 Business Unit: Fitch Group Category: Information Technology Location: London, GB Date Posted: Sep 18, 2026 As one of the world’s top three credit ratings agencies, Fitch Ratings plays a critical role in...

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...

Role purpose You'll lead engineering on a multi-year programme to modernize and migrate a large portfolio of middle-office applications to AWS. The portfolio covers cloud-native rebuilds, like-for-like migrations and retirements. You'll own engineering delivery and the AI-augmented delivery model: using AI agents and assistants across discovery, code...

Full-Stack Engineer - Operations Engineering Team Hybrid in London - one or two office days per week We’re looking for a Full-Stack Engineer to build the systems that power iwoca’s German business. You’ll join the Operations Engineering team, a cross-functional group that builds the proprietary tools (like our CRM) that our German operations staff use...

Staff Engineer / Developer (Full Stack TypeScript Node React AWS) Remote UK / WFH to £90kAre you a product focussed Software Engineer who enjoys solving complex technical problems but also wants to influence what gets built and why?You could be progressing your career in a hands-on Staff Engineer role at a scaling Fintech who have built a highly complex,...

Company Description Wise 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...

JPMorgan Chase in Glasgow is seeking a Full Stack Software Engineer III in Asset Management to design, deliver, and maintain secure, scalable software products.You will collaborate across teams, implement Java-based solutions, leverage AI-assisted tools, and contribute to architecture, testing, and deployment within an enterprise environment.The role...

Switch Tech Talent in London is hiring a Senior Full Stack Software Engineer to build AI-powered features in a fast-growing SaaS environment. The role offers hybrid working with Go and/or TypeScript, React & Next.js, and AWS cloud-native applications; you will own features end-to-end and collaborate with Product, Design and customers.Ideal candidates have...

A leading payments platform in the UK is seeking a Senior Full-stack Software Engineer to design and develop enterprise-level products. The ideal candidate will have over 3 years of experience with .NET Core and front-end technologies such as React. This role emphasizes collaboration and communication, contributing to the product's continued development, and...

Clio is a global leader in legal AI software, seeking an experienced engineer to build and maintain our scalable work and case management platform. You will contribute to high-performance features across frontend and backend while partnering with teams to drive quality and growth.You will work on modernising components to .NET 8+ and Svelte.js, implement...

Iterum Trading Limited is seeking a Mid‑Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‑driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring junior developers.The role offers a path toward Head of Technology, with a hybrid London work arrangement...

CoinDesk is seeking a Senior Full-Stack Engineer to join the Media Engineering team. You will own complex features across web, mobile apps, and services, with a focus on performance, reliability, and security.You will work with Next.js, React, Node.js, and TypeScript, applying automated testing and DevSecOps principles. Experience with AI tooling and...