Full Stack Developer Jobs in United Kingdom

We seek a Full‑Stack Developer skilled in React Native, Node.js, GraphQL, MongoDB, and React for web. The role involves building mobile app features, enhancing backend APIs, and contributing to web components while collaborating daily with a remote team operating on London time.

Full Stack Developer responsible for delivering the final phase of Harmony's global rollout, then maintaining and enhancing the ASP.NET/React application. Designs backend services, builds integration libraries, and ensures performance, security, and compliance across the system.

Ameresco’s Asset Sustainability Group builds scalable, secure web applications that power smart energy solutions across public and private sectors. The Full‑Stack Developer designs, implements, and maintains front‑end and back‑end features, collaborates with stakeholders, and ensures performance and security.

QuantCo seeks a Full‑Stack Developer to build intuitive interfaces that translate machine‑learning insights into actionable decisions. Working alongside data scientists, ML engineers, product managers, and end users, you’ll design and implement robust front‑end and back‑end solutions, ensuring clean, production‑ready code.

Join Talan as a Full Stack Developer to build AI‑enabled web applications. You’ll design, develop, and maintain scalable solutions using FastAPI, Python, React, and TypeScript, while integrating machine‑learning models into production workflows.

Broadridge Financial Solutions seeks a Full Stack Developer to join its AI Enablement Team in London. The role focuses on building and enhancing AI‑driven solutions, especially GenAI projects, across the organization.

Full Stack Developer role at Barclays Capital Securities focuses on designing, building, and enhancing secure, scalable digital services for the Private Bank Credit business. The position requires hands‑on experience with modern Java back‑end services and React front‑end applications, and involves mentoring a junior team.

Small high-impact team supports Intelligence Community CBRN operations. Develop cloud-based tools in secure Gov Cloud at RAF Molesworth.

Product Engineering team at SupportYourApp builds intelligent support-as-a-service platforms for enterprise customers. The Full-Stack Developer will design and implement customer‑experience features, create scalable backend services, and ensure high performance and security across Linux, Windows and cloud environments.

Digital Centre of Excellence at Inizio Engage XD builds innovative digital experiences for healthcare engagement. The Full-Stack Developer designs, builds and maintains robust full‑stack solutions, translates creative requirements into secure, performant user‑centred applications, and collaborates with designers, PMs and other developers to deliver high‑quality work on time.

Full Stack Developer on the UKCLO team at Barclays Capital Securities, driving the modernization of wholesale lending platforms by replacing legacy processes with a streamlined digital workflow. The role involves designing, coding, and testing Java/SpringBoot back‑end services and React/Redux front‑ends, collaborating with product managers, designers, and cross‑functional engineers to deliver secure, high‑performance solutions.

UBDS Group Digital Delivery Team builds accessible, government‑grade web services using Strapi CMS and modern JavaScript. The Full Stack Developer designs, implements, and maintains end‑to‑end applications, collaborating with designers, analysts, and content specialists to deliver secure, scalable solutions.

Full Stack Developer role focused on designing, developing, and deploying web applications and backend services to Kubernetes and AWS cloud environments, working within a Scrum team.

Full Stack Developer role focused on designing, developing, and deploying web applications and backend services for Kubernetes and AWS cloud environments. The position is part of a small, agile Scrum team working on the Marlin product, contributing to innovation, quality, and continuous improvement.

Full Stack Developer role at Corpay within International Vehicle Payments line, based in Walsall or Swindon. Responsible for end‑to‑end product development using Java, Ruby on Rails, AngularJS, ReactJS, and mobile platforms.

Full Stack Developer role at Barclays Capital Securities focuses on designing, developing, and improving software solutions that provide business, platform, and technology capabilities for customers and colleagues. Responsibilities include delivering high‑quality software using industry‑aligned programming languages, frameworks, and tools, ensuring code scalability, maintainability, and performance.

Cross Markets team at Barclays Capital Securities builds high‑quality software to support trading and risk analytics. The Full Stack Developer designs, develops, and deploys AI/ML and web services using Python, FastAPI, and cloud platforms, collaborating closely with product managers and designers.

Full-Stack Development Team at BNY Mellon, building distributed microservices and AI‑enabled financial solutions. The role leads engineering teams, owns end‑to‑end delivery, and drives observability, security, and cloud adoption.

Full Stack Developer (18‑Month FTC) at Freshfields in Manchester. Join the Application Platforms team within the IT organisation’s Technology tower, focusing on systems development, integration, and support of key applications such as iManage Work v10, Intapp, CAM, and custom solutions.

Oliver Wyman, a global management consulting firm, is building an internal product startup called Retail Solutions. The team focuses on creating analytical retail tools that help merchandising teams optimize assortments, promotions, and pricing.