207 senior react jobs at 118 companies in Wheat Ridge, CO
3d
Save
Mark Applied
Hide
Senior React SDK Developer
Skopje or Amsterdam or Boulder
RemoteFull Time
Experience with React, TypeScript, open-source developer tools, browser and framework performance, accessibility, performance optimization, and testing. Startup experience is preferred.
React, React Chat, Feeds, Video SDKs, TypeScript, RxJS, WebRTC, Protobuf, Twirp, OpenAPI, React Virtuoso, React Markdown, Remark, WASM, WebWorkers, Vitest, Jest, Playwright, React Native, Angular, Vue
1mo
Save
Mark Applied
Hide
Senior React Developer/Architect
Centennial, Colorado, United States
$99k-$172k/yr HybridFull Time
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.
React, TypeScript, Node.js, Express.js, Next.js, Adobe Experience Manager (AEM), Sitecore, Material UI, GraphQL, Jest, Cypress, React Testing Library, Webpack, Redux, Zustand, Recoil, CI/CD, Storybook, SASS, JavaScript
3mo
Save
Mark Applied
Hide
Senior Product Architect
San Francisco or Denver
$185k-$251k/yr OnsiteFull Time
7+ YOE7-10 years building and operating production web apps; strong TypeScript, React/Next.js, Node.js; API design; architecture and leadership; internal tools focus.
TypeScript, React, Next.js, Node.js, API design, serverless, containers, observability, design system
3mo
Save
Mark Applied
Hide
Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
Experience building production-grade applications with Node.js and TypeScript, REST/GraphQL services, React/Next.js, AWS and container deployments; automated testing and AI-native workflows; senior technical leadership and mentoring.
Node.js, TypeScript, RESTful, GraphQL, React, Next.js, AWS, Docker, Fargate, Kubernetes, Playwright, LiteLLM, Python, Java, PostgreSQL, SNS, SQS, Lambda
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
10+ YOE10+ years software development experience, 4+ years in senior roles. Strong .NET Core/.NET Framework, React/Angular, SQL Server, AWS, CI/CD experience; Bachelor's in STEM required; experience with AI coding tools preferred.
.NET Core, .NET Framework, React, Angular, SQL Server, AWS, CI/CD, Terraform, Datadog, GraphQL, ElasticSearch, Claude, GitHub Copilot, Cursor, Playwright, Model Context Protocols (MCP)
3mo
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
5+ YOE5+ years of software development; strong Node.js; AWS; Kubernetes; Datadog; microservices; relational and NoSQL databases; Bachelor's degree in CS or related field.
Node.js, Docker, Kubernetes, AWS, Datadog, Angular, React, Web Components, Kafka, SQL, NoSQL
1mo
Save
Mark Applied
Hide
Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
Senior full-stack engineer with experience shipping GenAI/LLM features, React/TypeScript frontend, Node.js/Python backend, cloud (GCP/AWS/Azure), strong product judgment and cross-functional leadership.
React, TypeScript, Node.js, Python, Google Cloud Platform, GCP, AWS, Azure
6d
Save
Mark Applied
Hide
Frontend Software Engineer - Senior (TS Clearance)
Denver, Colorado, United States
OnsiteFull Time
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
5d
Save
Mark Applied
Hide
Senior Designer
Denver, Colorado, United States
HybridFull Time
5+ YOE5+ years designing complex web-based application UIs; portfolio evidence of research-driven decisions; design systems, prototyping, technical writing, HTML/CSS/React, Git, LLM workflows, WCAG, and inclusive design.
HTML, CSS, React, Git, WCAG, Rocket Lawyer, Origin, Embrace Pet Insurance, Working Advantage
14h
Save
Mark Applied
Hide
Senior Mobile Developer
Charlotte or Denver or New York City or Charlotte or Denver or New York City
$116k-$200k/yr HybridFull Time
5+ YOERequires 5+ years of React Native experience, TypeScript, mobile architecture, state management, native debugging, Git, CI/CD, and complex app delivery experience.
React Native, Swift, Kotlin, React Query, TypeScript, Context API, Redux, Fastlane, GitHub Actions, Git, YAML, Amplitude, Apple Wallet, Objective-C, Java, AWS, Terraform, PostgreSQL, Appium, Maestro, Moropo, Python, Playwright, WCAG
1w
Save
Mark Applied
Hide
Senior Software Engineer
Aurora, Colorado, United States
$110k-$164k/yr HybridFull Time
5+ YOEBachelor's degree and 5+ years related experience; strong skills in ASP.NET,C#,Node.js,React,Azure; experience with EMR not mentioned; on-call support and production troubleshooting experience.
ASP.NET, C#, Node.js, React, Azure, GitHub Copilot, Claude Code, Retrieval Augmented Generation (RAG)
1w
Save
Mark Applied
Hide
Senior Software Engineer
Denver, Colorado, United States
$145k-$165k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent practical experience; 5–7+ years developing production-scale SaaS applications, full-stack systems, APIs, and cloud solutions using Node.js, React, .NET/C#, and TypeScript.
Node.js, React, .NET, C#, TypeScript, AI, GenAI, CI/CD, DevOps
16h
Save
Mark Applied
Hide
Senior Software Engineer, Offers
Denver, Colorado, United States
$125k-$155k/yr HybridFull Time
Experience leading development teams and technical projects; coaching developers; cloud platform experience; React and TypeScript; Golang microservices; exposure to C#, .NET, MSSQL, or WPF.
Go, TypeScript, React, SQL, Kafka, Google Cloud Platform, C#, .NET, MSSQL, WPF
1mo
Save
Mark Applied
Hide
Senior Frontend Engineer
Denver, Colorado, United States
$160k-$185k/yr OnsiteFull Time
5+ YOE5+ years building production web apps; deep React expertise; strong HTML/CSS, accessibility, responsive design; experience with component libraries/design systems; proven use of AI tools; familiarity with backend (Java/Go) and AWS is beneficial.
React, Figma, Claude Design, Java, Go, AWS
2mo
Save
Mark Applied
Hide
Senior Engineering Manager, Ground Software
Denver or Long Beach
$190k-$320k/yr HybridFull Time
7+ YOE4+ Mgmt7+ years software engineering; 4+ years leading engineering teams; experience with distributed systems; strong communication; eligible for DoD clearance.
Elixir, OTP, Erlang, Go, JVM, React, TypeScript, gRPC, REST, WebSockets, Three.js, WebGL
1mo
Save
Mark Applied
Hide
Senior Fullstack Engineer (Freelance)
Paris or Montpellier or London or Denver
€520/day RemoteContract
5+ YOE5+ years shipping full-stack product; fluent in React/TypeScript; strong backend foundations (relational DBs, distributed systems, observability, security); Ruby on Rails a plus; strong testing, ownership, and communication skills.
GraphQL, React, TypeScript, Ruby on Rails, CI/CD
1w
Save
Mark Applied
Hide
Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
3w
Save
Mark Applied
Hide
Senior Software Engineer, Full Stack
Greenwood Village, Colorado, United States
$121k-$149k/yr HybridFull Time
5+ YOE5+ years full-stack experience with React, TypeScript, Node, cloud platforms (AWS/Azure/GCP), productionizing ML preferred, Agile experience, bachelor's degree preferred.
React, HTML/CSS, Node.js, SQL, Python, Docker, Kubernetes, Amazon SageMaker, TensorFlow, Scikit-learn, Windows PowerShell, Git, Typescript, AWS
1mo
Save
Mark Applied
Hide
Ground Software Engineer Senior
Laurel or Greenwood Village or Austin
$120k-$190k/yr HybridFull Time
6+ YOEBachelor's in CS or related, 6+ years full-stack experience, deep C# and React/TypeScript expertise, SQL and distributed systems knowledge, experience with Docker/Kafka/InfluxDB/Python, mentoring ability, and active or obtainable security clearance.
TypeScript, React, C#, Docker, Kafka, REST, Python, MSSQL, InfluxDB, Yarn, Babel, Material-UI, Git, TanStack Query, CI/CD