126 javascript react developer jobs at 56 companies in Firestone, CO
1mo
Save
Mark Applied
Hide
1mo
Senior React Developer/Architect
Centennial, Colorado, United States
$99k-$172k/yrHybridFull Time
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years front-end experience with React and TypeScript; expertise in front-end architecture, Node.js, Express.js, Next.js, AEM/Sitecore, testing (Jest/Cypress), Webpack, state management, and CI/CD.
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yrOnsiteFull Time
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
Full Stack Engineer - PHP & Javascript (WordPress)
Denver, Colorado, United States
$103k-$155k/yrHybridFull Time
FareHarbor: Provides booking and business management software for tour operators.
3+ YOE3+ years working with large-scale PHP/JavaScript codebases, strong WordPress and web accessibility knowledge, solid HTML/CSS, UX focus, and experience with modern web performance practices.
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Denver or San Francisco or New York or Toronto or Los Angeles or Seattle
$163k-$247k/yrHybridFull Time
Gusto: Cloud-based payroll and HR software for small businesses.
8+ YOE8+ years software development experience, PEO experience preferred, experience with large Ruby on Rails and JavaScript/React applications, AI tool fluency, and mentoring ability.
Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.
6+ YOEBA/BS in CS or engineering required; 6+ years software development experience with C#, JavaScript, SQL/T-SQL, REST/.NET Core; experience with web development, React preferred, relational DB and SDLC (Agile/Scrum).
InfoTrack: Software platform connecting law firms to courts and litigation services.
3+ YOE3+ years building production mobile apps; strong React Native, TypeScript, modern JavaScript; experience debugging iOS/Android, REST APIs, testing tools; understanding of mobile security and privacy.
React Native, TypeScript, JavaScript, Xcode, Android Studio, REST APIs, TestFlight, Google Play, App Store, Jest, React Native Testing Library, Expo, EAS, Google Play
Checkr: AI-powered platform for background checks and identity verification.
10+ YOE10+ years software development experience, 3+ years project leadership; backend expertise (Ruby, Node.js), frontend familiarity (JavaScript, React); experience building scalable systems with automated testing and observability; strong communication and mentoring skills.
Excel Driver Services: Provides commercial driver license training and safety certification.
Experience building full-stack web and mobile apps using C#/.NET, JavaScript, React Native, HTML/CSS, SQL and Git/GitHub; strong communication, documentation, and collaborative skills.
Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$130k-$196k/yrHybridFull Time
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
5+ YOE5+ years software engineering; 5+ years JVM backend (Java or Kotlin) with Spring Boot; 5+ years TypeScript/JavaScript and React; 3+ years cloud-native (GCP or AWS); Bachelor\u0002s or equivalent experience; EM/agentic system familiarity.
JVM, Java, Kotlin, Spring Boot, TypeScript, JavaScript, React, GCP, AWS, OpenAI-compatible APIs, OpenAI-compatible endpoints, Model Context Protocol (MCP), Cursor, Claude Code, Windsurf, Cline, SSE, WebSockets, Jest, React Testing Library, JUnit, Cypress, LangChain, Kubernetes, Helm, HTML, CSS
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Bachelor's in CS or related field, active TS/SCI clearance (polygraph-able), experience with Java, Python, JavaScript/TypeScript, Angular, React, ElasticSearch/ELK, CI, databases, and strong verbal/written communication.
Java, Python, JavaScript, TypeScript, Angular, React, ElasticSearch, ELK stack, Redis, Web Services (REST), Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas, Digital Signal Processing
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
8+ YOE8+ years backend engineering experience; bachelor's in CS or related; 6+ years with Java and Python; deep AWS experience (Lambda, DynamoDB, S3, IAM, CloudWatch); experience with Amazon Connect, React, JavaScript, and AI/RAG systems.
Axos FinancialNYSE: AX: Provides digital-first banking and diverse financial services to customers.
5+ YOE1+ MgmtBachelor's in CS or related,5+ years full-stack .NET development,1+ year leading technical resources,experience with Angular/React,REST/SOAP,APIs,Agile,strong OOP and communication skills.
Litera: AI-powered document and workflow software for legal professionals.
3+ YOE3–5 years software development experience; strong C# and TypeScript/JavaScript; .NET/.NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework; web technologies and frameworks; CI/CD and Git workflows; prompt engineering.
C#, TypeScript, JavaScript, .NET, .NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework, HTML, CSS, React, Angular, Vue, LLM, Git, GitHub, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Data Factory, Docker, Kubernetes, AWS, SSAS, MDX, DAX, SSIS, Power BI, SQL Agent Jobs, Stored Procedures, Views
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
8+ YOESenior full‑stack web developer with 8+ years experience, Sitecore and ASP.NET/C# expertise, HTML/CSS/JavaScript and modern front-end frameworks, SQL, MVC5/PWAs, IAT II and CE certifications (DoD 8570/8140), U.S. citizenship required.
HTML, CSS, JavaScript, React, Angular, Vue, Active Server Pages (ASP.NET), C#, Sitecore Content Management System (CMS), SQL, MVC5, PWAs, Jira
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$103k-$195k/yrHybridFull Time
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years of frontend software development; strong TS/JS and React; Next.js; Rails familiarity; REST/GraphQL; A/B testing and personalization; accessible UX; collaborative, growth-minded; AI-assisted development.
Ombud: AI-powered sales automation and response management software
6+ YOE6+ years full-stack experience; deep Python; JavaScript/TypeScript and React competence; production LLM integration experience (Anthropic/OpenAI/Google); RAG/embeddings/vector DB knowledge; system design and end-to-end production ownership.