62 reactjs jobs at 25 companies in Severance, CO

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
1w
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Junior Front-End Developer
Westminster, Colorado, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's or equivalent, 2+ years related experience, working knowledge of Python and JavaScript, familiarity with PyQT/ReactJS/Dash/Streamlit, HTML/CSS, basic AI/ML concepts, and ability to work onsite in Denver.
Python, JavaScript, PyQT, ReactJS, Dash, Streamlit, HTML, CSS, Git, Azure Machine Learning, Roboflow
4d
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Senior Scientific Software Engineer
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOEBachelor's in CS/Engineering/Math/Physics or equivalent,8+ years experience,proficiency in C++ and Python,strong math foundation,software engineering fundamentals,and ability to obtain Top Secret/SCI clearance.
C++, Python, SQL, NoSQL, MATLAB, Simulink, JavaScript, React, Node.js
2mo
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Software Engineer III
Centennial or Louisville
$130k-$178k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
5+ YOERequires bachelor’s degree and 5+ years experience; proficient in multiple languages; able to mentor; U.S. security clearance required.
Git, GitHub, GitLab, Bitbucket, Docker, Kubernetes, Helm, ArgoCD, Python, React, FastAPI, AWS, JIRA, Confluence, Bash, PowerShell, Ansible, MySQL, PostgreSQL, MongoDB
4d
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Senior Front-End Engineer
Longmont, Colorado, United States
$145k-$165k/yr HybridFull Time
Resource Label Group
Resource Label Group: Manufactures custom labels and innovative packaging products.
5+ YOE5+ years front-end experience with ownership-level responsibilities; deep React, TypeScript, Node.js, Next.js, CI/CD, performance, accessibility, and analytics experience; AI-fluent and strong mentorship skills.
React, TypeScript, Node.js, Tailwind, AWS Amplify, Vercel, Next.js, Amplitude, Segment, GA4, GitHub, GraphQL, Claude Code, Copilot, Cursor
1mo
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Senior Software Engineer
Boulder or Austin
$140k-$185k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's degree in CS/CE or related, 5+ years software engineering experience, proficiency with Python and SQL, Linux and Git experience, familiarity with automated testing and CI/CD practices, willingness to learn atomic/quantum concepts.
Python, Rust, TypeScript, React, SQL, Linux, Git, Terraform, Azure, AWS, GCP, C++
2mo
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Director of Engineering
Boston or Boulder or Chicago or Remote - US or Richmond
$140k-$170k/yr HybridFull Time
Yes Energy
Yes Energy: Provides real-time electric power market data and trading analytics.
7+ YOE5+ Mgmt7+ years engineering experience; 5+ years in leadership; hands-on coding; track record across multiple teams; strong coaching; Kanban; DevOps/CI-CD a plus; energy trading or equities/commodities experience a plus.
React, REST API, Microsoft SQL Server, C#, Snowflake, AWS, Azure, Cloud, DevOps, CI/CD
2mo
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Software Engineer
Westminster, Colorado, United States
$123k-$168k/yr HybridFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware and software for precision positioning and modeling.
5+ YOE5+ years in software development; BS degree in a related field; strong Python/TypeScript, AWS, Docker/Kubernetes, REST/GraphQL, React, and databases.
Python, TypeScript, AWS Lambda, Docker, Kubernetes, Terraform, REST, GraphQL, DynamoDB, React
1w
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Staff Engineer (Java)
Los Angeles or Broomfield
$155k-$180k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
3w
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GIS Solution Engineer - Geo Experience Center
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Washington
$79k-$131k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years using Esri technology, 1+ years industry experience, Python and JavaScript programming, ArcGIS IT understanding, geodatabase/DBMS and cloud familiarity, travel 25–50%, bachelor\u0002s degree required, U.S. work authorization required.
ArcGIS, Python, JavaScript, Microsoft Azure, AWS, React, WebGL
5d
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Software Engineer
Cary or Chicago or Peoria or Westminster or Irving
$98k-$158k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
5+ YOE5+ years software development experience; Bachelor's in CS/SE/CE or equivalent; experience with React/Next.js/TypeScript, Java Spring Boot or Node.js; CI/CD, automated testing, and Agile practices.
React, Next.js, TypeScript, Java Spring Boot, Node.js, JavaScript, AWS, Azure, Vercel, Claude Code, GitHub Copilot, Copilot CLI, Claude, ChatGPT, Gemini, Cursor
1mo
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Software Engineer
Westminster, Colorado, United States
$123k-$168k/yr HybridFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware, software, and services for construction and geospatial industries.
5+ YOE5+ years application design/programming experience with BS degree; expertise in Python and TypeScript, cloud-native development (Docker, Kubernetes), Web APIs (REST/GraphQL), and AWS serverless technologies.
AWS, AWS Lambda, DynamoDB, Python, TypeScript, JavaScript, Docker, Kubernetes, React, IAM, OAuth, REST, GraphQL, Cursor, Copilot
2mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering or related field plus 2+ years' experience, active Secret clearance required and ability to obtain TS/SCI, experience with cloud, containerization, web and back-end technologies, OOP, UML, and formal software development practices.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, Java, Cameo, PlantUML, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
1mo
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Senior Software Engineer
Spring or Fort Collins
$131k-$205k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufacturer of personal computers, printers, and imaging devices.
4+ YOEDesign, develop, test, and maintain Windows-based software. Requires C++ (C++17+), Win32 API, multithreading, IPC/RPC, Git, CI/CD, Azure/AWS, unit testing, and 3–7 years of relevant experience; degree or equivalent experience preferred.
C++17, C++, Win32 API, IPC, RPC, Git, MSTest, CI/CD, ADO, Microsoft Azure, Amazon Web Services, Docker, Java, JavaScript, Kubernetes, Python, React.js, SQL
2mo
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Applied AI Engineer ( Remote - North American Timezones)
Boulder or New York
$125k-$200k/yr RemoteFull Time
Mostest
Mostest: AI-powered operating system for planning and executing events.
3+ YOEProven experience shipping LLM-backed systems, data and platform expertise, and strong software engineering skills.
PostgreSQL, Supabase, Search and Retrieval Systems, Embeddings, Ranking, Chunking, Workflow Orchestration, Queues, IDEMPOTENT JOBS, CI/CD, Render, TypeScript, React, Next.js, API Design
1w
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Morpheus Software Principal UI/UX engineer
Fort Collins or Houston or Durham
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOE10+ years building production web applications with React and TypeScript; bachelor’s degree or equivalent; front-end architecture, design systems, accessibility, and cloud platform experience; strong product and communication skills.
React, TypeScript, HTML, CSS, AWS, Microsoft Azure, Google Cloud
2mo
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Go-to-Market - Boulder, CO, USA
Boulder, Colorado, United States
$105k-$140k/yr RemoteFull Time
Speechify
Speechify: Converts written text into natural-sounding audio for users.
3+ YOE3+ years sales/GTM experience at technical B2B companies; track record closing mid-market and enterprise deals; comfortable with APIs and no-code tools; strong communication and pipeline discipline.
Swift, Kotlin, React, Typescript, NodeJS, Go, Python, APIs, no-code/low-code, CRM, Slack
2w
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Senior Embedded Software Engineer
Louisville, Colorado, United States
$131k-$231k/yr OnsiteFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
5+ YOE5+ years Rust development experience, bachelor's degree or equivalent, embedded Linux and FPGA integration experience, familiarity with C++, frontend tech, and system-level interfaces (SPI, I2C, UART, PCIe, Ethernet).
Rust, C++, JavaScript, TypeScript, React, WebAssembly (WASM), Embedded Linux
1w
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Morpheus Software Principal UI/UX engineer
Fort Collins or Houston or Durham
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
10+ YOEExpert front-end engineer with React and TypeScript, 10+ years' experience, strong UX/product instincts, experience with cloud platforms and design systems, bachelor's degree or equivalent.
React, TypeScript, HTML, CSS, RESTful APIs, AWS, Microsoft Azure, Google Cloud, CI/CD
1w
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2026-2027 Information Technology - Software Engineer - Full-Time
Houston or Bakersfield or Denver or Midland or Covington or Greeley
$94k-$110k/yr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Bachelor's or master's in CS/CE/MIS/EE/related or equivalent experience; students graduating by July 2027 or grads <2 years; submit unofficial transcript; ability to demonstrate Chevron Way.
C#, .NET, Java, Python, TypeScript, JavaScript, React, Angular, Node.js, SQL, GitHub Actions, Terraform, Bicep, Kubernetes, OpenShift, Azure Cloud Services, REST APIs, GraphQL, GitHub Copilot, GitHub Enterprise, Service Now, Ansible, Azure DevOps
1mo
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Senior JavaScript Web Developer
Fort Collins, Colorado, United States
$118k-$176k/yr HybridFull Time
Schneider Electric
Schneider ElectricEuronext Paris: SU: Provider of energy management and industrial automation solutions.
8+ YOE8+ years software engineering experience, BS/MS in CS or related field, deep React and TypeScript expertise, experience with HTML/CSS, Microsoft Azure, .NET/C#, RESTful APIs, architecture leadership, and delivering scalable web applications.
React, TypeScript, HTML, CSS, Microsoft Azure, .NET developer tools, C#, Esri GIS, ArcGIS Pro, Maps.SDK, RESTful APIs