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Top Front End Developer Jobs in Belfast

Reposted YesterdaySaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Greentech • Energy
The Front-End Developer will design and implement web applications, maintain existing features, collaborate with teams, and ensure application performance and security.
Top Skills: AngularCSSGitHTMLJavaScriptPHPPythonTypescript
Reposted 9 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Enterprise Web • HR Tech • Information Technology • Software • Cybersecurity
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.
Top Skills: Ci/CdCSSDockerGitGraphQLHTMLKubernetesNode.jsPlaywrightPythonReactRuby On RailsSassStyled-ComponentsTypescript
Reposted 6 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Business Intelligence
As a Senior Frontend Engineer, you'll deliver web-based AI modeling tools, optimize frontend architecture, and collaborate on complex UI components.
Top Skills: CanvasCSSHTMLReactTypescriptWebassemblyWebgl
Reposted 6 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Business Intelligence
As a Senior Frontend Engineer, you'll design and deliver React/TypeScript components, optimize performance, and lead frontend architecture for complex web apps.
Top Skills: CSSHTMLReactTypescript
Reposted 6 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Business Intelligence
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.
Top Skills: CSSHTMLReactTypescript
Reposted 6 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Business Intelligence
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.
Top Skills: CSSHTMLReactTypescript
Reposted 17 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
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.
Top Skills: AzureReactTypescript
Reposted 17 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
Develop front-end solutions using React, optimize applications, mentor junior team members, and collaborate with cross-functional teams to meet business requirements.
Top Skills: CSS3GraphQLHTML5JavaScriptJestReactRestRtk QueryTypescript
Reposted 8 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Database • Analytics
Build key features for HyperDX focusing on developer experience, engage with contributors, and handle petabyte-scale data efficiently.
Top Skills: ClickhouseDockerExpressJavaScriptKubernetesNext.JsNode.jsReactSQLTypescript
Reposted 18 Days AgoSaved
In-Office
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Financial Services
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.
Top Skills: Context ApiGoogle AdkJavaScriptLangchainNext.JsReactReduxStorybookTypescriptVercel Ai SdkViteZustand
Reposted 18 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Financial Services
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.
Top Skills: Ant DesignAWSAzureBabelCi/CdContext ApiCss-In-JsCSS3CypressGCPGitGraphQLHTML5Javascript (Es6+)JestLessMaterial-UiNext.JsNpmReact Testing LibraryReactReduxRemixSassStorybookStyled-ComponentsViteWebpackYarnZustand
Reposted 9 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Senior level
Senior level
Sports
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.
Top Skills: AngularEs6FirebaseGitNgrxReactReduxSassScssTypescriptVueVue RouterVuetifyVuexWebpack
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Reposted 19 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
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.
Top Skills: ReactTypescript
Reposted 15 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Fintech • Information Technology • Payments • Software
The Principal Frontend Engineer will drive Paddle's technical vision, own architectural strategy, mentor engineers, and improve frontend systems' performance and user experience.
Top Skills: CdnsJavaScriptReactSentryTypescript
21 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
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.
Top Skills: Angular 2+CSSHTMLJavaScriptNgrxRxjsTypescript
YesterdaySaved
Remote
Belfast, Northern Ireland
Junior
Junior
Artificial Intelligence • Digital Media • Software • Generative AI
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.
Top Skills: ReactRemotion
Reposted 3 Days AgoSaved
Belfast, Northern Ireland
Mid level
Mid level
Artificial Intelligence • Information Technology • Software • Cybersecurity
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.
Top Skills: Ai/Ml FrameworksCSSHaystackHTMLJavaScriptLangchainLlamaindexPythonReact
Reposted 3 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Digital Media
The role involves developing high-quality Vue.js applications, creating interactions, collaborating with back-end engineers, and writing tests.
Top Skills: CSSElectronGitGitJavaScriptNode.jsRubyRuby On RailsSassTypescriptVue
Reposted 13 Days AgoSaved
In-Office
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
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.
Top Skills: AngularApollo ClientDockerGraphQLJestNext.JsReactReact NativeTypescriptVue
Reposted 4 Days AgoSaved
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Software
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.
Top Skills: .Net CoreAngularC#Ci/CdCloud-Native DevelopmentContainersJavaScriptMicroservicesReactTypescript
7 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Fintech • Information Technology • Payments • Software
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.
Top Skills: CSSReactTypescript
Reposted 9 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Insurance • Software • Business Intelligence
As a Senior Front End Engineer, you'll develop full-stack web applications using Typescript, collaborate with diverse teams, and ensure impactful user experiences.
Top Skills: JavaScriptReactReduxTypescript
11 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Other • Software
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.
Top Skills: AWSCypressDockerJestKubernetesNode.jsPlaywrightReactReact Testing LibraryRuby On RailsTypescriptViteWebpack
21 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Mid level
Mid level
Productivity • Software • Cybersecurity
The Frontend Software Engineer develops and enhances user interfaces using React and TypeScript, collaborating on architectural decisions and improving system performance.
Top Skills: ReactTypescriptWebgl
14 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
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.
Top Skills: AngularBeanstalkLaravelMySQLPHPRxjsTailwind
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