Frontend Developer Jobs in Wales, United Kingdom

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.

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.

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 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.

Trading212 is a mobile broker on a mission to enable everyone to build wealth, serving over 6 million clients with more than €38 billion in assets under management. As a Staff Frontend Engineer, you will shape frontend architecture and platform direction across React, React Native, and the Nx monorepo, owning cross-team problems in shared libraries, design-system foundations, tooling, and developer experience while remaining hands-on.

Trading212 is a mobile broker on a mission to enable everyone to build wealth, serving over 6 million clients with more than €38 billion in assets under management. As a Staff Frontend Engineer, you will shape frontend architecture and platform direction across React, React Native, and the Nx monorepo, owning cross-team problems in shared libraries, design-system foundations, tooling, and developer experience while remaining hands-on.

Join GitLab's Repository Management team to build secure, performant frontend features using Vue.js and GraphQL. You will develop guardrails for AI agents managing code repositories while maintaining high reliability through performance tuning and observability.

Build Next-Gen Transportation Logistics Tech: Front-End React Engineer Are you ready to build high-impact production UIs from scratch using modern React, TypeScript, and AI-augmented tools? Join a modern engineering environment where you will replace a legacy desktop application with a fast, browser-based React experience, shipping functional software directly to energy dispatchers every single week!

You’ll build the tools that make Studio a video editor people want to live in. These include transitions, color grading and elements libraries all built on top of our in-house engine.

As a team: Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring together an obsession for technical excellence with agility and scale, to help clients move from project to product at speed.

The Opportunity: Grafana is an open-source observability product and a platform that teams and plugin developers build on. The Frontend group shapes its user experience (from dashboards and visualisation to navigation, search and sharing) and the foundations that support engineering teams and community contributors across the Grafana ecosystem.

Soda is building the first Data & AI performance monitoring platform to help Fortune 500 companies solve data quality bottlenecks. As a Senior Full-Stack Engineer, you will lead frontend development for complex, data-dense UIs while owning backend API implementations in Java.

Cannonball Recruiting, a U.S.-based recruiting firm serving construction, manufacturing, industrial, and skilled trades sectors, seeks a Sales Development Representative to drive new client opportunities. The role focuses on outbound cold calling, LinkedIn outreach, CRM management, and crafting sales sequences to book qualified meetings with U.S. business owners and hiring managers.

Development team within WSP's Planning and Development discipline, delivering transport planning, civil infrastructure and urban design for development projects. The Technical Director leads business growth, client engagement and technical leadership, overseeing bids, providing planning advice and acting as Project Director on major commissions.

Development Planning team at WSP delivers transport planning, civil infrastructure and urban design for development and master‑planning projects. The Technical Director leads client‑facing activities, drives business growth, shapes market strategy and provides technical leadership across multidisciplinary bids.

Methods Business and Digital Technology Limited is seeking iOS Developers to join a digital delivery team working on services that make a real difference to people across the UK. You will work as part of a multidisciplinary team of developers, designers, product managers, delivery professionals and technical specialists to build, improve and maintain high-quality digital services used by millions of people. Day to day, you will design, develop and maintain high-quality iOS applications using Swi

Group Technology at Naturecan builds and maintains the platforms powering its e‑commerce, pharmacy and clinical services. The Principal Developer leads infrastructure, security and AI automation initiatives, collaborates across MedCan and Dose teams, and provides senior technical guidance on complex problems.

Customer Process Development team at Renishaw creates measurement and process control solutions for high‑value consumer electronics customers. The Development Engineer designs and manufactures bespoke fixturing, supports projects from CAD design through assembly, and maintains the development area to high standards.