Top Front End Developer Jobs in Denver & Boulder, CO

Reposted 4 Days AgoSaved
Remote
Colorado
210K-240K Annually
Mid level
210K-240K Annually
Mid level
Artificial Intelligence • Insurance • Software • Automation
As a Staff Frontend Engineer, you'll drive frontend architecture decisions, implement UI systems, and collaborate closely with design and product teams to enhance user experiences using AI tooling.
Top Skills: Ai-Assisted Development ToolsComponent SystemsFrontend ArchitectureModern Web ApplicationsPerformance OptimizationState Management
Reposted 4 Days AgoSaved
Remote
Colorado
140K-220K Annually
Mid level
140K-220K Annually
Mid level
Artificial Intelligence • Blockchain
Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.
Top Skills: C++Formal Verification ToolsLlvmSmt SolversSolidity
Reposted 4 Days AgoSaved
Remote
Colorado
150K-150K Annually
Mid level
150K-150K Annually
Mid level
Mobile • Software
The Frontend Developer will design, build, and enhance user interfaces, collaborate with project teams, maintain responsive designs, debug issues, and ensure high performance.
Top Skills: AWSJestReactReduxRestful ApisTesting LibraryTypescriptViteVitestWebpackWebsocketsZustand
7 Days AgoSaved
Remote
Colorado
200K-300K Annually
Expert/Leader
200K-300K Annually
Expert/Leader
Artificial Intelligence • Blockchain • Information Technology • Consulting
Lead architecture and development of a high-performance, responsive trading web app using React/Next.js/TypeScript. Own features, optimize performance (mobile-focused), integrate real-time data/WebSockets, maintain clean code, and collaborate with founders and cross-functional teams to drive product decisions.
Top Skills: JotaiNext.JsReactTypescriptWebsocket
Reposted 12 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
142K-210K Annually
Junior
142K-210K Annually
Junior
Big Data • Fintech • Mobile • Payments • Financial Services
Develop and optimize frontend systems for the Purchasing Integrations team using JavaScript frameworks, while ensuring performance and integration within diverse merchant environments.
Top Skills: JavaScriptKotlinPythonReactSdkTypescriptVue
Reposted 17 Days AgoSaved
Remote
Colorado
Junior
Junior
Information Technology
Develop innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.
Top Skills: CSSHTMLJavaScriptTypescript
Reposted 7 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Software • Cryptocurrency
The Frontend Engineer will design and maintain backend systems for growth initiatives, focusing on A/B testing frameworks, microservices, and performance metrics, while collaborating cross-functionally.
Top Skills: NestjsNode.jsTypescript
Reposted 7 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The Front End Developer will build web applications using React, work with RESTful services, and handle authentication using SAML or JWT while collaborating in an agile environment.
Top Skills: AnsibleAWSDropwizardGitJSONJwtKafkaReactRestful ServicesSAMLSamza
Reposted 7 Days AgoSaved
Remote
Colorado
200K-200K Annually
Senior level
200K-200K Annually
Senior level
Consumer Web • Information Technology • Other • Social Impact • Software • Sports
Design, build, and optimize high-performance TypeScript and React single-page applications, mentor team members, and advocate modern frontend practices while collaborating with cross-functional teams.
Top Skills: ReactReduxRestful ApisTypescriptViteWebpackZustand
8 Days AgoSaved
Remote
Colorado
120K-170K Annually
Mid level
120K-170K Annually
Mid level
Information Technology • Business Intelligence • Consulting
The Frontend Engineer role involves developing scalable web applications using Angular, ensuring high-quality user experiences, optimizing performance, and collaborating with backend teams. Responsibilities include code reviews, testing, and supporting deployment processes.
Top Skills: AngularCSS3DockerGitHTML5JavaScriptJSONPlaywrightRestful ApisRxjsScssTypescriptUnix/LinuxVitest
8 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Software • Consulting
The Front-End Engineer will develop and optimize production React applications, collaborating with cross-functional teams to deliver high-quality UIs and maintain component libraries.
Top Skills: Ai ToolsAzureGraphQLNext.JsNode.jsPlaywrightReactReact QueryReduxRestStorybookTailwind CssTypescriptVitestZustand
9 Days AgoSaved
Remote
Colorado
200K-270K Annually
Senior level
200K-270K Annually
Senior level
Software • Cryptocurrency
The Staff Frontend Engineer will develop shared frontend libraries, enhance performance, and manage a design system to improve user experiences.
Top Skills: ReactTypescript
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Reposted 9 Days AgoSaved
Remote
Colorado
Junior
Junior
Blockchain • Fintech • Software • Financial Services • Cryptocurrency
Build front-end features for Backpack Exchange, optimize performance, and manage projects from start to finish with a focus on React.
Top Skills: React
Reposted 9 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Fintech • Payments • Software • Financial Services
You will drive the product's frontend look and feel, build UIs for complex data, ensure consistent designs, and enhance development velocity. This role requires strong React/TypeScript skills, a builder's mindset, and a focus on performance and design sensibility.
Top Skills: BigQueryDatadogGCPGithub ActionsMongoDBNext.JsNode.jsPostgresPythonReactTypescriptVercel
10 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Blockchain
Develop user-facing features using Vue.js, collaborate with back-end engineers, optimize performance, maintain code quality, and stay updated on blockchain trends.
Top Skills: CSS3GrpcHTML5JavaScriptNuxt.JsRestTailwind CssVue
10 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Blockchain • Fintech • Cryptocurrency • Web3
The Front-End Developer will create user interfaces using Vue.js, optimize application performance, collaborate with teams, and maintain code quality through testing and reviews.
Top Skills: CSS3GrpcHTML5JavaScriptNuxt.JsRestTailwind CssVue
Reposted 11 Days AgoSaved
Remote
Colorado
Internship
Internship
Fitness • Healthtech • Payments • Software
As a Front-End Developer Intern, you will design and build web applications, collaborate with teams, participate in code reviews, and maintain code quality.
Top Skills: CSSGitHTMLJavaScriptJqueryReactTypescript
Reposted 11 Days AgoSaved
In-Office or Remote
Colorado
100K-250K Annually
Senior level
100K-250K Annually
Senior level
Hardware • Information Technology
The Frontend Engineer will build user-facing interfaces for AI software development, utilizing technologies like TypeScript and React, while ensuring code quality and user experience.
Top Skills: Ai SdkAWSCdkClickhouseCloudflareDockerDrizzle OrmHonoPostgresReactRedisTailwindTemporalTerraformTypescript
Reposted 11 Days AgoSaved
Remote
Colorado
Junior
Junior
Artificial Intelligence • Information Technology • Software • Generative AI
The Frontend Engineer will develop user interfaces utilizing React and other technologies to enhance community knowledge organization and data interaction.
Top Skills: ArweaveEmotionGraphQLIpfsLegend StatePolygonReactThe Graph
Reposted 12 Days AgoSaved
Remote
Colorado
120K-150K Annually
Mid level
120K-150K Annually
Mid level
Fintech • Financial Services
As a Front End Engineer, you will build polished front-end experiences for Decile Hub, using a Rails codebase and ensuring UI consistency and quality. You will work closely with product and design teams to implement functional and aesthetically pleasing user interfaces while utilizing AI tools to enhance your workflow.
Top Skills: Ai Coding ToolsCSSHotwireHTMLJavaScriptRuby on RailsStimulusTurbo
Reposted 12 Days AgoSaved
In-Office or Remote
Colorado
Mid level
Mid level
Blockchain • Information Technology • Software • Cryptocurrency
The Frontend Engineer will implement UI features, automate UI testing, and oversee production releases while focusing on user experience in the blockchain space.
Top Skills: BlockchainEvmUi Testing
Reposted YesterdaySaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Big Data • Internet of Things • Software
We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.
Top Skills: AjaxCSS3GitHTML5JavaScriptJqueryLessReactReduxRestful ServicesSass
Reposted 13 Days AgoSaved
Remote
Colorado
Senior level
Senior level
AdTech • Marketing Tech
Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.
Top Skills: BootstrapCSS3FoundationGitHTML5JavaJavaScriptJqueryPHPPythonSassWordpress
Reposted 14 Days AgoSaved
Remote
Colorado
150K-200K Annually
Mid level
150K-200K Annually
Mid level
Angel or VC Firm
As a Frontend Engineer at UpDoc, you will develop and maintain patient and provider applications using SvelteKit and TypeScript, ensuring reliable data flows and user accessibility.
Top Skills: Apple HealthkitCapacitorKotlinSvelteSveltekitSwiftTailwind CssTypescript
Reposted 15 Days AgoSaved
Remote
Colorado
175K-200K Annually
Senior level
175K-200K Annually
Senior level
Healthtech • HR Tech • Sales • Social Impact • Software
As a Staff Front End Engineer, you will lead the front end vision, drive architecture decisions, and mentor engineers while developing high-impact web applications in a collaborative environment.
Top Skills: JavaScriptReactReact NativeTypescriptWebpack
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