Top Front End Developer Jobs in Belfast

Design and build user interfaces using React and TypeScript, collaborate with architects, product and UX, follow Agile practices, produce reusable UI components, mentor teammates, and contribute to coding standards, architecture, and CI to continuously improve products.

Join the UK engineering team to design, build and maintain the Immersive One frontend. Collaborate with product and QA, write test automation, improve developer experience, resolve incidents, participate in on-call, mentor engineers, and help translate product requirements into robust, scalable frontend solutions.

The Senior AI Frontend Engineer will lead the development of AI-driven user interfaces, mentor junior engineers, and design production-grade features for enhancing developer productivity at Citi.

The Principal Frontend Engineer will drive Paddle's technical vision, own architectural strategy, mentor engineers, and improve frontend systems' performance and user experience.

Build and optimize scalable React.js/TypeScript front-end features, collaborate with product/design/backend teams, write tests, ensure performance, security, and accessibility, and contribute to product planning.

Build and refine high-performance, user-focused frontend features and dashboards using React and TypeScript. Collaborate with product designers to evolve the design system, improve frontend architecture, and ensure reliability and performance across AWS and Cloudflare-backed services.

As a Mobile Engineer, you'll create features for iOS and Android apps using React Native, focusing on user experience and performance. You'll collaborate with PMs and designers, manage builds, and ensure quality across platforms.

As a Front-End Engineer, you will build and maintain user-facing applications, collaborating with designers and participating in agile sprints while applying modern front-end practices.

The Front-End Developer will design and implement web applications, maintain existing features, collaborate with teams, and ensure application performance and security.

As a Senior Frontend Engineer, you'll design and develop web and mobile applications, mentor juniors, and enhance coding practices while collaborating closely with the engineering team.

As a Frontend Engineer, you will develop mobile-first UIs in VueJS, enhance performance, mentor team members, and participate in code reviews and team ceremonies.

The Senior Frontend Platform Engineer will enhance developer experience by optimizing tools, CI/CD pipelines, and workflows in a monorepo environment, focusing on automation and productivity for engineers.

As a Senior Frontend Full Stack Engineer, you will develop web applications and user experiences, integrating data insights and AI capabilities while collaborating with a diverse team.

As a Software Engineer at Synthesia, you will own projects, contribute end-to-end in React, Python, and collaborate on product direction, focusing on commercial impact.

You will own projects spanning months, work end-to-end on a React client application and Python backend, and shape product direction.

Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.

The Senior Front-End Engineer will modernize and build front-end projects at Pitchup, utilizing Nuxt.js and Vue.js, while enhancing UI/UX and improving development practices.

Design and build high-performance front-end applications using React and TypeScript, optimizing for performance and usability, while mentoring junior engineers and collaborating with a cross-functional team.

Join Upwind as a Frontend Engineer to develop and enhance user interfaces using React, WebGL, and TypeScript, focusing on user experience and design integrity.

As a Senior Frontend Engineer at Paddle, you'll develop and maintain the checkout interface, collaborating with teams and enhancing user experience through high-quality TypeScript code.

You will build features in Angular 2+, architect reusable code, manage project priorities, resolve performance issues, and mentor teammates.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

The Staff Software Engineer will lead front-end development, optimize user experiences, mentor engineers, and ensure high-quality, scalable solutions for MZLA's products.

As a Senior Frontend Engineer, you'll own the Session Replay product, lead design of complex frontend systems, collaborate with other teams, and improve internal tooling.

The Frontend DX Engineer will enhance developer productivity by diagnosing workflow bottlenecks, standardizing environments, and optimizing tools, specifically with NextJS and CI/CD.