265 senior react engineer jobs at 156 companies in Colorado

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
4w
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Senior React Developer/Architect
Centennial, Colorado, United States
$99k-$172k/yr HybridFull Time
CGI
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.
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
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
5+ YOESenior software engineer with 5+ years in aerospace/defense, STK experience, TS/SCI eligibility, strong Python/Flask, React, API integration, Docker, cloud.
STK, STK Engine, STK Components, Cesium, Python, Flask, React, REST, Git, Docker, Cloud, MBSE, Digital Thread
2mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
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
3mo
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Software Engineer, Labs
Denver or United States
$160k-$180k/yr HybridFull Time
Pax8
Pax8: Cloud marketplace platform for software and managed services.
Senior frontend engineer with React/SolidJS/Vue, TypeScript, CSS, and backend Go or Python; real-time data handling; AI-driven workflows; collaborative, design-focused approach.
React, SolidJS, Vue, TypeScript, CSS, SVG, Canvas, WebGL, Go, Python, cloud APIs
2mo
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Senior Application Developer
Aurora, Colorado, United States
$85k-$95k/yr HybridFull Time
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
2+ YOESenior developer for identity and access management; design, develop, and support secure, multi‑system web apps with identity/authentication integrations.
ASP.NET, NodeJS, MVC, TypeScript, Angular, Vue, React, MySQL, Oracle, MSSQL Server, Java, Python, Ruby, C#
3w
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Mural Pay - Senior Backend Engineer
New York or Denver
HybridFull Time
YieldNest
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
5+ YOE5+ years backend experience; Node.js, NestJS, TypeScript, React, GraphQL, Postgres, Prisma, AWS, Docker; experience building payment or money-movement systems; US work authorization required.
Node.js, NestJS, React, TypeScript, GraphQL, Postgres, Prisma, AWS, Docker, SQS, SNS, AWS Lambda, Vercel
2mo
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Senior Software Engineer
Spring or Fort Collins
$131k-$205k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
4+ YOE4-7 years in software engineering; Windows-based app development; C/C++; Win32 API; multithreading; CI/CD; Git; MSTest; Agile; Azure; AI platform familiarity.
C++, Win32 API, Multithreading, Git, CI/CD, MSTest, Agile, Azure, Docker, Kubernetes, Python, JavaScript, React, SQL, API, AWS
2w
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Senior Geospatial Engineer
San Francisco or Boulder
$160k-$190k/yr RemoteFull Time
Xylo Risk
Xylo Risk: Physics-based wildfire risk modeling for community resilience.
7+ YOE7+ years geospatial engineering experience, strong Python and geospatial libraries (GeoPandas, Rasterio, GDAL, Shapely), PostGIS, cloud familiarity (AWS/GCP/Azure), experience with large raster/vector pipelines and messy real-world datasets.
Python, GeoPandas, Rasterio, GDAL, Shapely, PostGIS, AWS, GCP, Azure, React, Mapbox, ArcGIS, MapLibre
3w
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Senior Software Engineer
Denver or United States
$120k-$160k/yr HybridFull Time
DHI Group
DHI GroupNYSE: DHX: Operates specialized career marketplaces and talent acquisition software platforms.
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
2w
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Senior Software Engineer, Fleet & Planning
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin or United States
$160k-$190k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
Senior software engineer experienced with Typescript/Node, modern web frameworks (React), SQL, Docker, Helm, Kubernetes, and AWS; builds geospatial routing, automated permitting, and customer dashboards; CJIS eligibility required.
Typescript, Node, React, Vue, Angular, SQL, Docker, Helm, Kubernetes, AWS, S3, API Gateway, SQS, Claude, Copilot, Codex
2d
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Senior Algorithm Developer
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years experience and bachelor's in CS/Engineering/Math/Physics (or equivalent); strong C++ and Python skills; foundation in linear algebra, probability, statistics; ability to obtain Top Secret SCI clearance.
C++, Python, SQL, NoSQL, JavaScript, React, Node.js, MATLAB, Simulink
2mo
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Senior Software Engineer I
New York City or Denver or San Francisco
$200k-$230k/yr HybridFull Time
Forge Global
Forge GlobalNYSE: FRGE: Marketplace for trading private shares and pre-IPO stock.
3+ YOE3–5+ years in OO languages (TypeScript, C#, Java); Python for data tasks; React and TailwindCSS; familiarity with data architectures; private markets/financial data experience; CI/CD, data orchestration, deployments; Git/GitHub; AWS/Azure/GCP; Agile.
TypeScript, C#, Java, Python, React, TailwindCSS, PostgreSQL, AWS, Azure, GCP, Git, GitHub, Kafka, WebSockets
2w
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Senior Software Engineer
Denver, Colorado, United States
$130k-$150k/yr HybridFull Time
OrthoFi
OrthoFi: Software for orthodontic practice operations and patient financing.
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)
1mo
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Senior / Staff Applied Research Software Engineer - Emerging Tech
United States or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Vermont or New York or New Jersey or Washington or California or District of Columbia
$142k-$252k/yr RemoteFull Time
Twilio
TwilioNYSE: TWLO: Cloud communications platform for building customer engagement applications.
3+ YOEBachelor's degree or equivalent, 3+ years (Senior) or 5+ years (Staff) full-stack software development experience, proficiency in JavaScript/Python/Java, front-end (React/Angular) and/or back-end (Node.js/Springboot), SQL/NoSQL, effective communication, and experience leveraging AI/LLMs.
JavaScript, Python, Java, React, Angular, Node.js, Springboot, SQL, NoSQL, AWS, Azure, Model Context Protocol (MCP), LLMs
1mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$127k-$190k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOETS/SCI with Polygraph, bachelor's in computer science or related, 5+ years software engineering, proficiency with Java and Spring Boot, experience with React, containerized apps, Kubernetes, and CI/CD tools.
Java, Spring Boot, React, Kubernetes, Docker, GitLab, Ansible, MongoDB, C++, SQL
2w
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Senior Full Stack Product Engineer
Denver, Colorado, United States
OnsiteFull Time
LearnLux
LearnLux: Digital financial planning and advisor access for employee wellbeing.
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
1mo
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Senior Software Engineer
Littleton, Colorado, United States
$152k-$205k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
6+ YOE6+ years software engineering experience; TS/SCI clearance; Bachelors in CS/SE or related field; Java, C++, Angular/React; Agile, REST APIs; CI/CD; Git-based workflows.
Java, C++, Angular, React, GitLab, Jenkins, REST APIs, CI/CD, Jira
1w
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Senior Engineer, Internal Developer Platform
Madison or Denver or Boston
$99k-$167k/yr HybridFull Time
American Family Insurance
American Family Insurance: Provides diverse insurance products and comprehensive financial services.
Extensive experience building and operating cloud platforms (AWS/GCP), Kubernetes, IaC (Terraform/Crossplane), CI/CD, Backstage, scripting (Python/Go/Bash) and observability (Datadog).
AWS, GCP, Kubernetes, Docker, EKS, GKE, VPC, IAM, S3, Terraform, Crossplane.io, Backstage.io, TypeScript, Node.js, React, GitLab CI/CD, JFrog Artifactory, Python, Go, Bash, Datadog, Git, Argo CD, Flux, Jenkins, GitHub Actions, Bitbucket, CloudFormation, REST, GraphQL
2mo
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Senior Software Engineer
Denver, Colorado, United States
$143k-$183k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
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
4w
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Senior Integration Engineer
Colorado Springs or Alabama or Arizona or California or Colorado or District of Columbia or Florida or Georgia or Hawaii or Illinois or Indiana or Kansas or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Montana or North Carolina or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or United Kingdom or United States
$160k-$220k/yr RemoteFull Time
Slingshot Aerospace
Slingshot Aerospace: Software and data analytics for space operations management.
7+ YOE7+ years software development, 3+ years tech lead experience, bachelor’s in CS/engineering, experience with Java/Kotlin, Python, GraphQL, REST, Docker, React, TypeScript, cloud (Azure/AWS), Kubernetes, Git/GitHub Actions, Kafka; active TS/SCI clearance; travel up to 10%.
Java, Kotlin, Python, GraphQL, REST, Docker, React, TypeScript, Azure, AWS, Kubernetes, Git, GitHub Actions, Kafka, CloudEvents, PostgreSQL, MongoDB, Neo4j, Three.js, HLA, DIS