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60 senior frontend developer jobs at 43 companies in Colorado

3w
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Frontend Software Engineer - Senior (TS Clearance)
Denver, Colorado, United States
OnsiteFull Time
Solerity
Solerity: Private U.S. professional-services providing federal IT, engineering, cybersecurity, cloud, analytics, and program-management services.
Senior frontend engineering experience with modern web development, JavaScript, RESTful APIs, Git/GitHub, agile methods, and Angular or React; active Top Secret clearance required and TS/SCI with Poly eligibility.
HTML5, CSS3, LESS, SASS, Bourbon, Twitter Bootstrap, JavaScript, jQuery, Backbone.js, Ember.js, D3, RESTful APIs, Git, GitHub, Rails, Express, Django, Angular, React, Java, Kubernetes, Docker, Jenkins, Puppet, SAFe, Scrum, Lean
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3w
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Senior Software Engineer (Frontend) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
Scribd, Inc.
Scribd, Inc.: AI-powered knowledge serving global readers, professionals, and learners through document, presentation, reading, and social book platforms.
6+ YOERequires 6+ years of frontend software engineering experience, JavaScript/TypeScript and React expertise, modern web framework experience, architecture knowledge, performance optimization, testing, and strong collaboration skills.
JavaScript, TypeScript, React, Next.js, Microfrontend, monorepos
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4d
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Senior Front End Graphics Engineer
Long Beach or Denver or Washington
$135k-$195k/yr HybridFull Time
True Anomaly
True Anomaly: Delivering decisive capabilities for space superiority and security.
Requires strong React and TypeScript, deep three.js or react-three-fiber experience, WebGL and GLSL fundamentals, real-time 3D performance expertise, visual design judgment, and end-to-end ownership.
React, three.js, Unity, Unreal, Babylon.js, TypeScript, react-three-fiber, WebGL, GLSL, Blender, glTF
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Front End Software Developer
Sterling or Sarasota or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOERequires 5+ years of front-end development, bachelor's degree, JavaScript/TypeScript, HTML/CSS, Git, REST APIs, Agile collaboration, TS/SCI with CI poly, and Security+ certification or willingness to obtain.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, AWS EC2, AWS RDS, Amazon S3, Amazon SNS, Amazon SQS, Git, Jira, Confluence, GitLab CI/CD, SonarQube, SAST, React, Angular, Docker, Kubernetes, GitLab, WebSockets
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Front End Software Developer
Sterling or Sarasota or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
5+ YOERequires 5+ years of front-end development, a bachelor's degree, JavaScript/TypeScript, HTML/CSS, Git, REST APIs, Agile collaboration, TS/SCI with CI poly, and Security+ certification or willingness to obtain it.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, Amazon Web Services, Amazon EC2, Amazon RDS, Amazon S3, Amazon SNS, Amazon SQS, Lambda, Git, Jira, Confluence, GitLab CI/CD, SonarQube, SAST, React, Angular, Vue.js, HTML, CSS, Docker, Kubernetes
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3mo
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AVP, Frontend Outsystems Manager
San Diego or Irvine or Las Vegas or Centennial
$110k-$140k/yr RemoteFull Time
Axos Clearing LLC
Axos Clearing LLC: U.S. securities clearing firm and custodian serving independent broker-dealers and registered investment advisors.
5+ YOE1+ MgmtAVP Frontend Outsystems Manager with 5+ years full-stack web development; Outsystems, Java, JavaScript, MVC, Angular/React, TypeScript; 1+ year leadership; experience with distributed teams.
Outsystems, Java, JavaScript, MVC, Angular, React, TypeScript
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2w
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Front-End Software Engineer
Colorado Springs, Colorado, United States
$122k-$157k/yr HybridFull Time
Caliola Engineering
Caliola Engineering: Caliola is a woman-owned defense engineering firm providing secure communications solutions and services to U.S. government customers.
7+ YOEBachelor’s degree or equivalent experience; 7–12 years of front-end engineering experience; TypeScript, JavaScript, and modern frameworks; backend, databases, containers, CI/CD, Git, and Secret-level clearance required.
TypeScript, JavaScript, Vue.js, Node.js, Tauri, Ionic, React, Solid, Angular, Rust, Go, Python, GitLab, Git, SQL, NoSQL, CI/CD
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2mo
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Senior Front-End UI/UX Engineer
Colorado Springs, Colorado, United States
$130k-$170k/yr OnsiteFull Time
GXM Technologies
GXM Technologies: Private U.S. defense technology contractor delivering mission-ready software, secure cloud systems, and innovation-transition programs for federal agencies.
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in a related field, 8+ years front-end/UI/UX experience, expertise with React/Angular/Vue, TypeScript, JavaScript, HTML, CSS, and data visualization.
React, Angular, Vue, TypeScript, JavaScript, HTML, CSS, Figma
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1w
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UI/UX Front End Engineer
Boulder, Colorado, United States
$78k-$117k/yr RemoteFull Time, Contract
Lynker Corporation
Lynker Corporation: Employee-owned science, engineering, and technology services firm supporting government, community, and industry missions.
5+ YOEBachelor's degree or equivalent experience, 5+ years of web development and UI/UX engineering, Drupal 10 theming, HTML5, CSS3/SASS, JavaScript, TypeScript, and Git experience.
Drupal 10, Twig, HTML5, CSS3/SASS, JavaScript, TypeScript, Flexbox, CSS Grid, Git, Leaflet, OpenLayers, Chart.js, D3.js, Docker, DDEV, Lando
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2d
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Senior Staff Software Engineer, Drive, Frontend
Boulder or New York City
$262k-$364k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
8+ YOE5+ MgmtBachelor's degree or equivalent practical experience, 8 years in software development, 7 years with frontend, full-stack, or API development, and 5 years in design, architecture, and software testing or launches.
JavaScript, TypeScript, Java, Kotlin, Python, C++, GenAI
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1mo
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Senior Full Stack Developer (Front-End Specialist)
Denver, Colorado, United States
$129k-$161k/yr RemoteFull Time
Connect for Health Colorado
Connect for Health Colorado: Public nonprofit health insurance marketplace helping Colorado individuals, families, and small employers compare plans and obtain financial assistance.
5+ YOE5+ years building enterprise applications; deep Angular frontend expertise; strong Java/Spring Boot and SQL skills; experience with containerization, cloud (AWS), CI/CD, and collaborating with UX; Bachelor's degree or equivalent.
Angular 17, Java 17, Spring Boot, Spring Web, Spring Data, Spring Security, PostgreSQL, REST APIs, Message Queues, Docker, Kubernetes, CI/CD, Figma, AWS, SQL
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3w
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Sr Staff Fullstack Developer (Frontend focused)
Exton or Boulder or Huntsville or Dayton
$136k-$204k/yr OnsiteFull Time
Synopsys
SynopsysNASDAQ: SNPS: Provider of electronic design automation software and semiconductor IP.
4+ YOEBachelor's with 8 years, master's with 6, or PhD with 4; front-end and back-end development expertise, cloud deployment, web components, Git, Agile, and testing experience.
HTML5, CSS3, JavaScript, React, Angular, C#, Java, Python, Node.js, Docker, Kubernetes, AWS, Microsoft Azure, Git, Jasmine, Karma, Jest, Vitest, Ansys
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1w
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Senior Software Engineer, Front End / Full Stack
California or Maine or Pennsylvania or Nevada or North Carolina or Texas or Colorado or Washington or Illinois or New York or Missouri or Massachusetts
$180k-$215k/yr RemoteFull Time
Grove Collaborative
Grove CollaborativeNYSE: GROV: Publicly traded online retailer selling sustainable household, personal-care, beauty, wellness, baby, and pet essentials to U.S. consumers.
7+ YOERequires 7+ years building production web applications, deep JavaScript and TypeScript expertise, modern component framework experience, full-stack capability, project leadership, and performance optimization skills.
Shopify, JavaScript, TypeScript, React, Vue, Svelte, GraphQL, Alpine.js, Vitest, Jest, Cypress, Playwright, Git, GitHub Actions, Liquid, Storefront API, Cart API, Checkout Extensions, Online Store 2.0
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2w
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Manager, Power Platform & Modern Front‑End Engineering
Chicago or Denver or Minneapolis or Houston or Dallas
$107k-$215k/yr OnsiteFull Time
RSM
RSM: Audit, tax, and consulting services for the middle market.
7+ YOERequires 7+ years in application development or solution delivery, Power Platform expertise, React, JavaScript/TypeScript, REST APIs, Azure integration, and development team leadership.
Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Microsoft Dynamics 365, React, Angular, Next.js, Azure, JavaScript, TypeScript, REST APIs, Copilot, Microsoft Azure Functions, Microsoft Azure App Services, Microsoft Azure API Management, CI/CD, ALM
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2mo
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Software Engineer II – Portal (Front End)
Atlanta or Denver or Cincinnati or Salt Lake City
$92k-$139k/yr HybridFull Time
Worldpay
Worldpay: Global leader in payment technology and merchant solutions.
6+ YOE6+ years software development experience; 3+ years Angular front-end; 2+ years ExpressJS; experience with Node.js, TypeScript, relational databases, REST APIs and AWS; strong communication and SDLC knowledge.
Node.js, TypeScript, Angular, Playwright, MariaDB, AWS EC2, AWS S3, API Gateway, Git, GitHub, CI, JIRA, Confluence, Qualys, Jenkins, ExpressJS, Postgres, REST APIs
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1mo
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Senior Software Engineer
Denver, Colorado, United States
$160k-$185k/yr HybridFull Time
Litera
Litera: Private legal technology providing AI-powered workflow software to law firms and corporate legal teams.
5+ YOE5+ years backend software development with .NET/.NET Core and Web/REST APIs; frontend experience with React/Vue/Angular/Svelte and Typescript; SQL experience; unit testing; AI/LLM development experience; strong communication and problem-solving.
Cognition AI, Devin, Cline, Replit, Cursor, Azure OpenAI, Anthropic, GitHub, Azure DevOps, Bit, Microsoft Visual Studio Code, Microsoft Visual Studio, SQL Azure, SQL Server, Unknit, MSTest, PostgreSQL, Docker, Azure, AWS, GCP, GitHub Copilot, Windsurf, Codex
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3w
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Senior Full-Stack Engineer
Montreal or Boulder or Calgary
$160k-$170k/yr HybridFull Time
Landjourney
Landjourney: Private fintech software helping agricultural lenders and farmers manage loan origination, servicing, documents, and capital markets.
7+ YOERequires 7+ years of full-stack development, production experience across frontend and backend, deep Python/FastAPI expertise, Angular or React, TypeScript, SQL, Redis, and strong communication skills.
Angular, FastAPI, Python, Pydantic, PostgreSQL, SQL, Redis, React, Next.js, Refine, TypeScript, RxJS, CockroachDB, Temporal, Turborepo, Supabase, Vercel, GitHub Actions
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1mo
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Senior Embedded Software Engineer
Louisville, Colorado, United States
$131k-$231k/yr OnsiteFull Time
Infleqtion
InfleqtionNYSE: INFQ: Public quantum-technology building neutral-atom computers, precision sensors, and software for governments, enterprises, and research institutions.
5+ YOE5+ years Rust development experience, bachelor's degree or equivalent, embedded Linux and FPGA integration experience, familiarity with C++, frontend tech, and system-level interfaces (SPI, I2C, UART, PCIe, Ethernet).
Rust, C++, JavaScript, TypeScript, React, WebAssembly (WASM), Embedded Linux
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1mo
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Senior Software Engineer
Denver, Colorado, United States
$150k/yr HybridFull Time
Everbright Health
Everbright Health: Tech-enabled services platform helping mental health providers deliver advanced interventions.
Strong backend/API skills, solid SQL and relational design, frontend proficiency, CI/CD troubleshooting, ability to own features end-to-end, clear written communication.
Python, C#, PostgreSQL, TypeScript, React, AWS, LLM APIs, EHR, CI/CD
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1w
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Senior, Software Engineer
Atlanta or Boston or Chicago or Denver or Los Angeles or New York or Salt Lake City or San Diego
$122k-$165k/yr RemoteFull Time
DEPT
DEPT: A global digital agency bridging marketing and technology.
Production backend experience, strong Python proficiency, API and database expertise, frontend familiarity, cloud experience, GenAI tools, LLM concepts, Git, Agile, and CI/CD knowledge.
Python, Angular, Typescript, Google Cloud, AWS, Azure, Gemini CLI, Claude Code, Codex, Git, CI/CD
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