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Top Front End Developer Jobs in Belfast

Reposted 11 Hours 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 4 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 7 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 7 Days AgoSaved
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 13 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Sports
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.
Top Skills: AWSCircleCIDrone CiElement UiFreemarkerK8SLessNode.jsScssVue RouterVuejsVuexWebpack
16 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: Vue,Vuex,Vue Router,Vuetify,Typescript,Webpack,Scss,Sass,Firebase,Git,Es6,Redux,Ngrx,React,Angular
17 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Junior
Junior
Artificial Intelligence • Sports
Build and maintain data-rich interactive UIs using React and TypeScript, collaborate with backend/design/data teams, test and debug across browsers, follow team standards, participate in code reviews, and grow frontend skills with mentorship.
Top Skills: React,Typescript,Html,Css,Tailwindcss,React Router,React Query,Json,Apis,Cypress,Jest,Git,Jira,Node.Js,Aws
Reposted 21 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
Reposted 8 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Mid level
Mid level
Productivity • Software • Cybersecurity
Join Upwind as a Frontend Engineer to develop and enhance user interfaces using React, WebGL, and TypeScript, focusing on user experience and design integrity.
Top Skills: Api DesignCi/CdReactTypescriptWebgl
Reposted 2 Days AgoSaved
In-Office or Remote
Belfast, Northern Ireland
Entry level
Entry level
Artificial Intelligence • Information Technology
Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.
Top Skills: APIsCloud InfrastructureReactStorage SolutionsTypescript
Reposted YesterdaySaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
You will build features in Angular 2+, architect reusable code, manage project priorities, resolve performance issues, and mentor teammates.
Top Skills: Angular 2+CSSHTMLJavaScriptNgrxReduxRxjsTypescript
Reposted 2 Days AgoSaved
Hybrid
Belfast, Northern Ireland
Junior
Junior
Big Data • Software • Quantitative Trading
Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.
Top Skills: HelmPythonReactTerraformTypescript
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Reposted 4 Days AgoSaved
Easy Apply
Remote
Belfast, Northern Ireland
Easy Apply
Senior level
Senior level
Internet of Things
The Staff Software Engineer will lead front-end development, optimize user experiences, mentor engineers, and ensure high-quality, scalable solutions for MZLA's products.
Top Skills: CSSHTML5JavaScriptReactVue
Reposted 4 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Lead Software Engineer, you will design and implement scalable developer tools, collaborate with teams, ensure software quality, and mentor fellow engineers.
Top Skills: .Net CoreAngularC#Ci/Cd PipelinesContainersJavaScriptMicroservicesReactTypescript
8 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Sports
Develop and maintain user interfaces using React and TypeScript, while collaborating with backend and design teams. Contribute to architectural improvements and mentor junior engineers.
Top Skills: APIsAWSCSSCypressHTMLJestJSONNode.jsReactReact QueryReact RouterTailwind CssTypescript
9 Days AgoSaved
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Security • Cybersecurity
Design, develop, and maintain front-end applications using Vue and TypeScript, collaborate with teams, and integrate emerging technologies.
Top Skills: AngularAstroCSSReactSvelteTypescriptVue
Reposted 9 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 9 Days AgoSaved
Remote or Hybrid
Belfast, Northern Ireland
Senior level
Senior level
Database
The Senior Product Engineer will design and implement features using JavaScript/TypeScript and React, lead projects, and build innovative user experiences for an AI-native CRM.
Top Skills: JavaScriptLexicalReactTypescriptZod
Reposted 9 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 9 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
The Senior Frontend Engineer will build scalable software components, improve SEO, and mentor junior developers while translating business needs into high-performance user experiences.
Top Skills: CSSDockerGitJavaScriptRestful ServicesSwaggerVuejs
Reposted 10 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
Reposted 20 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 11 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software
As a Lead Backend Engineer, you'll design and build core features, ensuring high performance and collaborating with cross-functional teams. You'll own features end-to-end and mentor other engineers, promoting engineering excellence and innovation.
Top Skills: AngularC# (.Net Core)Ci/CdContainersJavaScriptMicroservicesReactTypescript
Reposted 14 Days AgoSaved
Remote
Belfast, Northern Ireland
Senior level
Senior level
Software • Consulting
As a Senior Front-End Developer, shape UK public-sector digital services using React and Next.js to create accessible, efficient user experiences and lead front-end architecture and development.
Top Skills: AWSAzureCypressJestNext.JsPlaywrightReactTypescript
Reposted 15 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
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