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Top Senior Front End Developer Jobs in Denver & Boulder, CO

2 Days AgoSaved
Hybrid
Colorado
135K-165K Annually
Senior level
135K-165K Annually
Senior level
Information Technology • Insurance • Software
Lead architecture and build high-performance React 19 applications using TypeScript and modern patterns. Define design-system-driven components, optimize front-end performance, mentor teams, drive technical direction, and collaborate across product, design, and customers to deliver scalable enterprise UIs.
Top Skills: React 19,React Compiler,React Concurrent Features,Typescript,Web Apis,Restful Apis,Backend-For-Frontend (Bff),Angular,Extjs,Winforms,Oracle,Sqlserver,Postgresql,Cassandra,Agile
18 Days AgoSaved
Hybrid
Colorado
135K-165K Annually
Senior level
135K-165K Annually
Senior level
Information Technology • Insurance • Software
As a Principal Frontend Engineer, you will lead the design, development, and optimization of high-performance React applications while mentoring teams and driving technical direction across the organization.
Top Skills: ReactTypescript
Reposted 19 Days AgoSaved
In-Office or Remote
Colorado
65-90 Hourly
Senior level
65-90 Hourly
Senior level
Food • Healthtech • Information Technology • Other
Youtopia Marketplace seeks a Senior Front-End Engineer to develop high-performance UIs using Angular and Ionic for a 6-month contract, focusing on user experience and mobile application engineering.
Top Skills: AngularIonicRxjsSignal FormsSignalsTypescript
Reposted 5 Hours AgoSaved
Hybrid
Colorado
135K-150K Annually
Senior level
135K-150K Annually
Senior level
Food • Healthtech • Information Technology • Other
Develop and maintain engaging web and mobile applications using Ionic and Angular. Collaborate on front-end requirements and ensure high-quality, maintainable code while mentoring junior engineers.
Top Skills: AngularAzure DevopsCapacitorCSS3FigmaGraphQLHTML5Ionic FrameworkJasmineJavaScriptKarmaNgrxRestful ApiRxjsTypescript
Reposted 5 Hours AgoSaved
Hybrid
Colorado
135K-150K Annually
Senior level
135K-150K Annually
Senior level
Food • Healthtech • Information Technology • Other
Develop and maintain responsive web and mobile applications using Ionic and Angular. Collaborate with teams, integrate APIs, and optimize UI components.
Top Skills: AngularCapacitorCSS3FigmaGraphQLHTML5Ionic FrameworkJavaScriptRestful ApiRxjsTypescript
Reposted 5 Hours AgoSaved
Remote or Hybrid
Colorado
180K-200K Annually
Senior level
180K-200K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
The role involves leading the frontend platform's evolution, architecting user interfaces, partnering with backend developers, and overseeing testing standards and CI/CD infrastructure.
Top Skills: CircleCICypressGraphQLJestNxPlaywrightReactReact Testing LibraryVitest
Reposted 5 Hours AgoSaved
Remote or Hybrid
Colorado
150K-170K Annually
Senior level
150K-170K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
Lead the evolution of the frontend platform, design complex user interfaces, provide technical leadership, and optimize CI/CD infrastructure for a scalable experience.
Top Skills: CircleCICypressGraphQLJestNextjsNxPlaywrightReactReact Testing LibraryRemixVitest
Reposted 5 Hours AgoSaved
Remote or Hybrid
Colorado
90K-140K Annually
Senior level
90K-140K Annually
Senior level
Cloud • Insurance • Payments • Software • Business Intelligence • App development • Big Data Analytics
The Senior Software Engineer will design and implement web applications using React and Typescript, ensuring security and scalability while participating in Agile processes.
Top Skills: CSSDjangoElastic SearchGoogle Cloud PlatformHTMLJavaScriptPythonReactTypescript
Reposted 4 Days AgoSaved
Remote
Colorado
170K-220K Annually
Senior level
170K-220K Annually
Senior level
Hospitality
Seeking a Senior Software Engineer to build consumer-facing applications using React and React Native, influencing the technical roadmap and ensuring high-quality user experiences across platforms.
Top Skills: JavaScriptMetroNext.JsReactReact NativeTailwind CssTypescriptWebpack
Reposted YesterdaySaved
Remote
Colorado
160K-300K Annually
Senior level
160K-300K Annually
Senior level
Transportation
Develop and deliver high-quality front-end software for freight logistics. Lead design, mentor junior engineers, and enhance customer experiences using modern frameworks.
Top Skills: AngularFlutterGraph QlJavaScriptReact NativeTypescript
Reposted 2 Days AgoSaved
Remote or Hybrid
Colorado
150K-150K Annually
Senior level
150K-150K Annually
Senior level
eCommerce • Legal Tech • Professional Services • Software • Data Privacy
Senior Front-End Vue Developer focused on building and maintaining Vue.js applications, collaborating with teams, optimizing performance, and mentoring others.
Top Skills: Ci/CdCSS3CypressGitHTML5JestMochaNpmNuxt.JsSassScssTypescriptViteVue 3Vue RouterVueVuexWebpackYarn
Reposted 5 Days AgoSaved
Remote or Hybrid
Colorado
202K-238K Annually
Senior level
202K-238K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.
Top Skills: CircleCICypressGraphQLJestNextjsNxPlaywrightReactReact Testing LibraryRemixVitest
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Reposted 5 Hours 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 5 Hours 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
Reposted 8 Days AgoSaved
Remote
Colorado
134K-214K Annually
Senior level
134K-214K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Senior Front-End Engineer will architect financial products, lead design discussions, mentor team members, and ensure high-quality application delivery.
Top Skills: JavaKotlinReactTypescript
Reposted 5 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
170K-215K Annually
Senior level
170K-215K Annually
Senior level
Big Data • Software
As a Staff Frontend Engineer, you will develop the Aerospike Cloud Platform, optimize front-end services, and mentor other developers while ensuring quality code and performance.
Top Skills: AngularAWSAzureCi/CdCSSDatadogDockerGitGCPHTMLJavaScriptKubernetesReactSwaggerTypescript
Reposted 6 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
13 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
218K-257K Annually
Senior level
218K-257K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Staff Engineer in the Prime UI Platform Team, you'll design core systems for frontend experiences, focusing on reliability and performance. You'll lead architecture decisions, develop APIs, optimize data streams, and enhance developer tools while collaborating with frontend engineers and product teams.
Top Skills: DockerGoGraphQLPostgresRuby on RailsRestRubySinatraSseWebsocket
Reposted 7 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence
Build and ship geospatial web applications as a Senior Front-End Engineer, focusing on interactive UI features in a TypeScript/React environment.
Top Skills: CesiumMaterial UiMuiReactTypescript
Reposted 8 Days AgoSaved
Remote or Hybrid
Colorado
250K-300K Annually
Senior level
250K-300K Annually
Senior level
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
As a Principal Frontend Engineer at ClickUp, you'll lead the design and technical vision of scalable front-end systems using Angular, collaborating across teams and mentoring engineers to enhance performance and coding standards.
Top Skills: Angular 15+CSSHTMLJavaScriptNgrxReduxRxjsTypescript
Reposted 14 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
218K-257K Annually
Senior level
218K-257K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
The role involves architecting and implementing solutions for a subscription product, mentoring team members, and managing project priorities while focusing on growth metrics and operational health.
Top Skills: A/B Testing FrameworksBlockchain-Based ServicesCoding StandardsFinancial SystemsGrowth MetricsSubscription Product
18 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
The Senior Software Engineer will design secure services to integrate with blockchains, build interfaces for digital currency apps, and collaborate with product teams. Responsibilities include writing well-tested code and enhancing user-facing features in web apps, while supporting a positive team environment.
Top Skills: JavaScriptReactReact Native
20 Days AgoSaved
In-Office
Colorado
165K-200K Annually
Senior level
165K-200K Annually
Senior level
Aerospace • Artificial Intelligence • Computer Vision • Software • Analytics • Defense • Big Data Analytics
Develop and integrate front-end components for online GIS applications, ensuring effective user experiences while collaborating with cross-functional teams to meet national security needs.
Top Skills: Adobe Creative SuiteAngularCi/CdCypressFigmaGitGrafanaJavaScriptLokiPlaywrightReactSeleniumSketchVue
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
140K-200K Annually
Senior level
140K-200K Annually
Senior level
Software
The Senior Frontend Engineer will develop user-friendly and scalable components for a data labeling platform, collaborating with teams and mentoring junior engineers.
Top Skills: AWSBigQueryCypressDjangoJavaScriptJestKafkaKubernetesOpenai ApiPostgresPythonReactRedisSparkTypescript
16 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
Senior level
Senior level
Software • Web3
As a Lead Front-End Engineer, you'll own UI architecture, mentor team members, manage technical initiatives, and drive AI-powered feature development.
Top Skills: Ai Coding AssistantsCSSHTMLReactTailwindTypescriptWeb ComponentsWeb Workers
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