177 javascript react developer jobs at 89 companies in Colorado
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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%.
Javascript - Senior Developers - AI Training - Colorado Springs, US
Colorado Springs or United States
$50/hrRemoteContract, Part Time
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, ability to solve LeetCode Medium–Hard, deep knowledge of event loop/closures/prototypes/async, strong security and code-quality awareness.
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.
Arkansas or Arizona or Colorado or Florida or Georgia or Idaho or Indiana or Illinois or Iowa or Kansas or Massachusetts or Maryland or Minnesota or Missouri or Montana or North Carolina or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia
$175k-$220k/yrRemoteFull Time
OpenEd: Personalized online education program partnering with public schools.
5+ YOE5+ years professional software development; deep React, JavaScript, NextJS experience; SQL/PostgreSQL knowledge; mentoring experience; strong communication and remote work capability.
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.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOE5+ years software development experience; proficiency with Python, JavaScript/TypeScript, Flask/FastAPI, React, Postgres, SQLAlchemy; TS/SCI clearance required; Bachelor’s in CS or related.
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.
United States or Arizona or Arkansas or California or Colorado or Florida or Georgia or Illinois or Indiana or Iowa or Maryland or Michigan or Minnesota or Missouri or North Carolina or Ohio or Oklahoma or Pennsylvania or South Carolina or Tennessee or Texas or Washington or Virginia
$104k-$115k/yrRemoteFull Time
Pushpay: Digital giving and engagement platform for churches and nonprofits.
Experienced full-stack developer with PHP/CakePHP, JavaScript/TypeScript, Svelte/React, PostgreSQL, API integrations, and familiarity with AWS (EC2, RDS, S3) and multi-tenant system design.
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.
Florida or Texas or Illinois or New York or New Jersey or Colorado or Idaho or Massachusetts or Michigan or Minnesota or Missouri or North Carolina or South Carolina or Utah or Virginia
$102k-$130k/yrRemoteFull Time
TradeStation: Provider of online brokerage services and trading technology.
5+ YOE5+ years web development (2+ years with headless CMS); proficiency in JavaScript, TypeScript, React, Next.js, ContentStack, REST APIs, Git, CI/CD, Google Tag Manager, and Node.js; bachelor's degree or equivalent.
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.