441 react developer jobs at 204 companies in Colorado
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Senior React SDK Developer
Skopje or Amsterdam or Boulder
RemoteFull Time
Stream: Private technology providing APIs and SDKs for chat, video, audio, feeds, and moderation to app developers.
Experience with React, TypeScript, open-source developer tools, browser and framework performance, accessibility, performance optimization, and testing. Startup experience is preferred.
CGITSX: GIB.A: Global IT consulting and business services firm.
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.
Judi Health: Privately held health technology providing pharmacy and benefits administration to employers, unions, health plans, and governments.
3+ YOE3+ years of software development experience with React Native; proficiency in TypeScript, JavaScript, React, React Native, React Query, testing, mobile CI/CD, Git, and production iOS and Android support.
Xcellent Technology Solutions: XTS is a veteran-owned geospatial engineering and IT services provider supporting U.S. defense, intelligence, and civilian agencies.
5+ YOEBachelor’s degree in a related field and 5+ years’ experience developing responsive web applications with JavaScript and React; documentation and collaboration skills required.
United States or Hawaii or California or New York City or Seattle or Washington or Texas or Connecticut or Illinois or Massachusetts or New Hampshire or New Jersey or Oregon or Rhode Island or Vermont or Alabama or Alaska or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Idaho or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Mexico or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Utah or Virginia or West Virginia or Wisconsin or Wyoming
$137k-$203k/yrRemoteFull Time
ModernHEALTH: Private workforce mental health platform providing employers’ employees and families with coaching, therapy, group support, and digital care.
8+ YOERequires 8+ years of software development experience, 2+ years of full-stack web development, and expertise with Python, JavaScript/TypeScript, React, React Native, APIs, databases, technical leadership, and mentoring.
Canada or United States or United Kingdom or Jordan or New Zealand or Australia or Denver
$105k-$115k/yrRemoteFull Time
EverCommerceNasdaq Stock Market LLC: EVCM: Public SaaS platform serving service SMBs with business-management, payment, and customer-engagement software.
3+ YOE3+ years software development experience; strong TypeScript foundation; familiarity with React/React Native, Node.js, mobile app development, MongoDB/PostgreSQL, Git/GitHub, and basic SQL; strong communication and troubleshooting skills; must be eligible to work in Canada without sponsorship.
Arizona or California or Colorado or Connecticut or Florida or Iowa or Idaho or Kentucky or Massachusetts or Maryland or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or Washington
$120k-$135k/yrRemoteFull Time
Foureyes: Private automotive data-platform helping dealerships connect data, manage leads, and convert more shoppers into sales.
3+ YOE3+ years full-stack development experience with Python/Java/TypeScript/React, cloud-native AWS experience, SQL and IaC knowledge, observability tooling, and enthusiasm for AI-assisted development.
Janus Henderson: Private global asset manager helping institutional and individual clients invest across equities, fixed income, multi-asset and alternatives.
Proficient PHP and WordPress multisite development, React/Gutenberg block development, SCSS/CSS, JavaScript (ES6+), Git, Composer, npm, Docker, Jira; experience working in Agile teams and integrating third-party APIs.
Utah or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Florida or Delaware or Connecticut or Colorado or California or Arkansas or Arizona or Alabama or Virgin Islands, U.S. or Missouri or Wyoming
$80k-$90k/yrRemoteFull Time
Harris Computer: Global provider of mission-critical vertical market software solutions.
3+ YOEBachelor\u0002s or equivalent experience, 3+ years software development, strong Java (11/17+), Spring/Spring Boot, REST API, databases, search tech, React/Next.js, and familiarity with AI-assisted development.
Java, JVM, Spring, Spring Boot, RESTful API, PostgreSQL, MySQL, MongoDB, Elasticsearch, React, Next.js, Material UI, GitHub Copilot, Claude, Cursor, ChatGPT
bet365: Private British online gambling group offering sports betting, casino, poker, bingo, and games to customers worldwide.
Experience leading development teams and technical projects; coaching developers; cloud platform experience; React and TypeScript; Golang microservices; exposure to C#, .NET, MSSQL, or WPF.
New York City or Colorado or California or United States
$165k-$190k/yrRemoteFull Time
Spark Advisors: Medicare brokerage and technology platform helping independent insurance brokers and agencies serve Medicare beneficiaries.
5+ YOE5+ years professional experience with modern JavaScript (Vue or React) and Python/backend development; strong product intuition, communication, and experience with AI-powered developer tools; cloud and Django experience preferred.
Arizona or California or Colorado or Delaware or Florida or Georgia or Idaho or Maryland or Massachusetts or New York or North Carolina or Oregon or Pennsylvania or Texas or Utah
$170k-$200k/yrRemoteFull Time
Renew Financial: Private residential PACE lender helping homeowners, contractors, and governments finance energy, efficiency, water, and resiliency upgrades.
5+ YOEBachelor’s degree, 5+ years of software development experience, Ruby on Rails, React, microservices, and independent remote collaboration; Docker, AWS, and Terraform preferred.
Ruby on Rails, Postgres, React, Docker, AWS, Terraform
Grand Rapids or Denver or Chicago or Massachusetts or New Hampshire or New York or North Carolina or Oregon or Texas or Utah or Vermont or Virginia or United States or Canada
$120k-$160k/yrRemoteFull Time
Campspot: Campground reservation software and outdoor-stay marketplace serving campground operators and campers across North America.
3+ YOE3+ years professional software development; experience with Claude Code and Anthropic API; strong TypeScript and React; knowledge of prompt engineering, REST APIs, async patterns; ability to review AI-generated code and write tests.
Claude Code, Anthropic API, TypeScript, React, REST APIs
United States or Boston or New York City or Denver
$110k-$125k/yrRemoteFull Time
Spoiler Alert: B2B software helping CPG brands and retailers manage and sell excess and aging inventory.
2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.
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: Private US educational program provider helping families create personalized, tuition-free at-home education through public-school partnerships.
5+ YOE5+ years professional software development; deep React, JavaScript, NextJS experience; SQL/PostgreSQL knowledge; mentoring experience; strong communication and remote work capability.
Checkr: AI verification platform providing background, identity, employment, mortgage, tenant, and trust checks for businesses and individuals.
5+ YOERequires 5+ years of backend development, advanced English, Ruby, Golang, or JavaScript/TypeScript, React, databases, REST APIs, system architecture, and tested code experience.
Axos BankNew York Stock Exchange (NYSE): AX: Digital-first financial services for individuals and companies.
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.
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
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.
Auria: Aerospace and defense software serving government and commercial customers across space, missile, and cyber operations.
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.