Frontend Developer Jobs in England, United Kingdom

Ooga Booga Frontend Team builds the user‑facing trading interface for Berachain’s liquidity aggregator. The Senior Frontend Engineer designs and implements responsive, high‑performance UI components, collaborates with UI/UX designers, and integrates EVM libraries and real‑time data visualizations.

The Digital Engineering team at ITG builds enterprise-grade digital applications for high-profile brands. As a Lead Frontend Developer on a 3-6 month contract, you will build and maintain responsive web products and SPAs (finance calculators, configurators, ecommerce) using React, TypeScript, and modern tooling.

Swanky is a fast-growing global ecommerce agency that designs, builds, and grows Shopify Plus stores for ambitious brands. As a Mid-level Shopify Frontend Developer, you will focus on from-theme builds and custom theme development on Shopify Store 2.0, delivering elegant, scalable solutions.

As a Frontend Software Developer, you will help shape live sports experiences with sharp, scalable code. You will be joining our sports platform In-Play team, working on our flagship Sports product to enhance our product offering with innovative new features.

Web Engineering team at Zopa builds the web experiences that power customer acquisition, servicing and internal tools. As a Frontend Engineer you will develop modern web applications using Next.js, React, TypeScript and GraphQL, collaborating with Product, Design, Marketing and Backend teams to deliver fast, accessible, high‑performing user experiences.

Senior Frontend Engineers at this London-based fintech company build and evolve the web and mobile trading and investing platform used by over 6 million clients. You will own complex frontend features end to end across React and React Native, design shared libraries and durable abstractions, and resolve rendering, state, bundle, and runtime performance bottlenecks within a TypeScript, Nx, and pnpm monorepo.

Magentic is building next-generation agentic systems for enterprise procurement workflows, aiming to make global manufacturing supply chains more resilient. As a Senior Front-end Engineer, you will own high-quality user-facing experiences, drive frontend architecture and technical direction, and improve engineering practices while collaborating with Product, Design, and Engineering.

Senior Frontend Engineer to maintain and evolve a JavaScript SDK built with React and TypeScript for secure authentication. Design developer-friendly APIs for OAuth2 and OpenID Connect, ensure security, performance, and cross-browser compatibility, collaborate with backend teams, build CI/CD pipelines, automated tests, and documentation.

Frontend Team at Secondmind builds data‑efficient AI‑powered engineering tools. The role develops production‑ready React web applications with sophisticated data visualisation, writes automated unit and end‑to‑end tests, and collaborates closely with UX designers and product managers.

Eucalyptus is a health tech company focused on weight management, building the Juniper program. They seek a Senior Frontend Engineer to own the frontend web platform, run growth experiments, and shape product impact.

HASH's Engineering team builds web-based tools that turn complex data into intuitive, AI‑driven interfaces. As a senior Frontend Engineer you will design and ship React/TypeScript components for world‑modeling and AI native UI, set code quality standards, and collaborate with UX researchers and AI engineers.

Faculty's National Security and AI Safety business unit advances responsible AI development and deployment for national security and global stability. As a Frontend Engineer, you will visualize data scientists' insights for clients, collaborate with cross-functional delivery teams, and help solve unique challenges using AI and Machine Learning.

Website team at Synthesia builds the component library, content model and rendering stack powering synthesia.io. The Senior Frontend Engineer designs and implements Astro components, Sanity schemas and design tokens, ensuring accessibility, performance and SEO at scale. Works remotely from London or elsewhere in Europe, collaborating with cross‑functional teams to extend the platform for AI‑assisted development and global localisation.

Lead to Order unit at Eutelsat, driving the digital transformation of satellite connectivity services. The Head of FrontEnd Channels leads and coaches UI/UX teams to deliver high‑quality customer portals and front‑end experiences, collaborating with product managers, architects, and stakeholders across global hubs.

Wind Turbine Monitoring Team builds a next‑generation SaaS platform that uses AI to analyze sensor data from thousands of turbines. As a Frontend Engineer you will design and implement intuitive, data‑dense interfaces in Elm for expert users investigating turbine behavior, turning complex operational data into clear workflows.

HASH is a deep‑tech startup building web‑based tools that let domain experts model, understand and optimize real‑world systems using AI. As a Senior Frontend Engineer you will design, build and ship complex React/TypeScript UI components for world‑modeling and AI‑native interfaces, set code‑quality standards and mentor peers. The role is based in London, UK or Berlin, Germany with an on‑site work model, offering equity‑weighted compensation (€60,000‑€100,000 base) and generous benefits.

Omnea is an AI-native procurement platform reinventing enterprise buying, backed by $75M from Khosla Ventures, Insight Partners, and Accel. As a Frontend Engineer, you will own the design system and front-end architecture, setting build standards and working across every product team to scale interfaces for complex approval workflows, dense tables, and adaptive intake forms.

HASH Engineering team builds an open-source platform that integrates structured and unstructured data into knowledge graphs for simulation, optimization, and automation. As a Senior Frontend Engineer you will design, build, and ship React/TypeScript components for complex, AI‑native interfaces, set architecture standards, and mentor peers.

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management, headquartered in London and Boston. As a Senior Frontend Engineer on the Perk Events vertical, you will own building the experiences of the group travel and events product—an all-in-one platform for booking providers and coordinating attendees across corporate event planners, Perk support specialists, suppliers, and participants.

Lightning AI builds an end-to-end platform for developing, training, and deploying AI systems, combining PyTorch Lightning with cost-efficient large-scale compute. As a Frontend Engineer, you will own key UI and frontend infrastructure features end-to-end, writing React and Redux code, setting technical direction, and partnering with engineering, product, and design to ship iterative improvements.