Top Front End Developer Jobs in Belfast

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

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.

As a Senior Frontend Engineer, you'll deliver web-based AI modeling tools, optimize frontend architecture, and collaborate on complex UI components.

As a Senior Frontend Engineer, you'll design and deliver React/TypeScript components, optimize performance, and lead frontend architecture for complex web apps.

As a Senior Frontend Engineer, you'll create production-ready web components using React and TypeScript, optimize performance, and collaborate with teams to deliver complex UIs for AI applications.

As a Senior Frontend Engineer, you'll lead the development of web apps using React and TypeScript, creating intuitive, data-driven UIs, while implementing best practices and performance optimization.

The Lead Front-End Developer will design and develop user interfaces, mentor teams in coding standards, and improve product efficiency through collaboration and feedback in an agile environment.

Develop front-end solutions using React, optimize applications, mentor junior team members, and collaborate with cross-functional teams to meet business requirements.

Build key features for HyperDX focusing on developer experience, engage with contributors, and handle petabyte-scale data efficiently.

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.

Lead frontend team to design and build scalable, performant React-based web applications. Define frontend architecture and standards, mentor developers, ensure code quality, optimize performance, and collaborate with UX, product, and backend teams.

Build and optimize a responsive Vue.js frontend for a customer-service SaaS, collaborate with product and dev teams, handle production support, participate in Agile ceremonies, perform code reviews, and mentor junior developers.

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.

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

The Staff Frontend Engineer will collaborate with teams to build features in Angular 2+, manage project priorities, and resolve performance issues while ensuring code quality through tests and mentorship.

As a Junior Motion Developer, you'll build and improve a motion graphics library using React and Remotion, focusing on reusable components, animation timing, and visual consistency.

The role involves engineering, testing, and the development of advanced frontend components for an AI-driven cybersecurity product, integrating AI features and ensuring best practices are followed.

The role involves developing high-quality Vue.js applications, creating interactions, collaborating with back-end engineers, and writing tests.

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.

The Principal Software Engineer will lead the design, implementation, and maintenance of scalable software solutions, mentor other engineers, and drive engineering excellence, particularly focusing on developer tools and cloud-native environments.

As a Senior Frontend Engineer, you'll develop seller-facing products, enhance the design system, and ensure high-quality TypeScript code delivery, while collaborating with teams.

As a Senior Front End Engineer, you'll develop full-stack web applications using Typescript, collaborate with diverse teams, and ensure impactful user experiences.

The Sr. Software Engineer (FE) will lead the development of scalable frontend applications using React. Responsibilities include systems design, testing strategy, performance optimization, AI integration, and mentoring.

The Frontend Software Engineer develops and enhances user interfaces using React and TypeScript, collaborating on architectural decisions and improving system performance.

As a Senior Front-End Engineer, you will develop and enhance user experiences for a product that simplifies Airbnb management, collaborating with cross-functional teams.