285 senior react jobs at 161 companies in Colorado

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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 Product Architect
San Francisco or Denver
$185k-$251k/yr OnsiteFull Time
Contentful
Contentful: SaaS platform for headless content management and delivery.
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
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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#
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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
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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
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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
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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)
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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
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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
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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
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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
2w
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Senior Software Engineer,
United States or Boulder
$150k-$180k/yr RemoteFull Time
Propelus
Propelus: Software for healthcare workforce compliance and professional credentialing.
8+ YOEProven experience shipping mobile apps (React Native preferred), strong full-stack TypeScript/React/Node.js skills, AWS and CI/CD experience, accessibility (WCAG 2.1 AA), system design and mentoring experience.
React Native, TypeScript, React, Node.js, Fastify, oRPC, tRPC, GraphQL, PostgreSQL, OpenSearch, Redis, AWS, Lambda, SQS, SES, S3, Fargate, RDS, Secrets Manager, Pulumi, GitHub Actions, Vitest, Playwright, OpenTelemetry, Turborepo, pnpm, TanStack, Tailwind CSS, Figma, Claude Code, Copilot
3mo
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Senior Software Engineer (Channels)
Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco
$134k-$212k/yr HybridFull Time
Iterable
Iterable: AI-powered customer engagement and cross-channel marketing automation platform.
Experience building production-ready, scalable web apps; proficiency in Scala and/or Java; familiarity with Elasticsearch, Postgres; strong collaboration and learning mindset.
Scala, Elasticsearch, Postgres, Redis, Pulsar, Kafka, AWS, Docker, Kubernetes, React
2mo
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Senior Software Engineer, Growth & Platform
Denver, Colorado, United States
$184k-$223k/yr HybridFull Time
Cubby Beds
Cubby Beds: Manufactures smart sensory beds for children with special needs.
5+ YOE5-10 years shipping production systems; experience integrating multiple SaaS/data flows in regulated environments; strong data pipelines and warehouse skills (SQL, Python, dbt, ELT); frontend and backend capabilities; AI tooling expertise; based in or willing to relocate to Denver.
SQL, Python, dbt, ELT, TypeScript, React, GitHub, CI/CD
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Senior Salesforce Solution Architect
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
Wounded Warrior Project
Wounded Warrior Project: Provides support services and mental health programs for veterans.
7+ YOESeven years Salesforce implementation and architecture experience; five years Salesforce architecture; bachelor’s in computer science; strong communication; travel up to 10%.
Salesforce, SQL, Apex, DevOps, Lightning UI, Snowflake, React Native, Visio, Project, Excel
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Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
Electric
Electric: Provides automated IT management and security services for businesses.
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
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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
2mo
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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
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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