58 reactjs developer jobs at 25 companies in Windsor, 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
3d
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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
2w
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Software Engineer II
Lafayette, Colorado, United States
$100k-$150k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
2+ YOEBaccalaureate degree + 2 years relevant experience OR Master's with 0 years. Experience with C++, .NET, Windows desktop apps, Qt, ReactJS, mobile platforms, regulatory design processes, vulnerability/SBOM management, and Agile methodologies.
ReactJS, iOS, Android, WinForms, WPF, Qt, C++, Rad Studio, .NET, SBOM, Agile
2w
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Software Engineer II
Lafayette, Colorado, United States
$100k-$150k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
0+ YOEBaccalaureate degree with 2+ years relevant experience OR Master's with 0+ years. Experience maintaining software medical products, vulnerability scanning, SBOM management, and supporting web (ReactJS), mobile (iOS/Android) and desktop (Winforms/WPF/Qt/C++) applications; Agile and strong communication skills. Must have unrestricted U.S. work author...
ReactJS, iOS, Android, Winforms, WPF, Qt C++, Rad Studio C++, C++, Agile
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
6d
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Applications Engineer III - Full Stack Developer
Louisville, Colorado, United States
$95k-$166k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
5+ YOEBachelor's in engineering/computation plus 5+ years (or MS/PhD equivalents), strong experience with containerized and desktop app development, git and CI/CD, C/C++/Python/Rust/Bash, and familiarity with communication protocols.
C, C++, Python, Rust, Bash, Git, Docker, Docker Compose, Podman, Kubernetes, CI/CD, JavaScript, HTML, React, AWS, Azure, Google Cloud Platform (GCP)
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
16h
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Software Engineer II
Denver or Fort Collins or Boulder
$90k-$110k/yr HybridFull Time
Synergetics
Synergetics: Provides secure cloud infrastructure and logistics software for defense.
3+ YOE3+ years software development with C#/.NET and Angular, Azure and SQL Server experience, CI/CD and DevOps familiarity, strong problem solving and communication; U.S. citizenship required.
.NET, Angular, C#, SQL Server, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL, Microsoft Azure Storage, Microsoft Azure Key Vault, GitHub, Azure DevOps, GitHub Actions, BICEP, Terraform, ARM templates, Docker, Kubernetes, ServiceNow, JavaScript, TypeScript, HTML, CSS, React, Vue
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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Software Engineer II
Centennial or Louisville
$106k-$145k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree or equivalent; 2+ years experience; strong programming and software development knowledge; Agile/Scrum/Kanban; ability to obtain/maintain US security clearance.
Python, React, FastAPI, Kubernetes, Docker, Git, AWS, Ansible, Jira, Confluence
1mo
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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
6d
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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
1mo
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Senior Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$169k-$253k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOE8+ years software engineering experience, 4+ years designing/deploying distributed systems, cloud-native services experience (GCP/AWS/Azure), TypeScript/JavaScript and React, REST/GraphQL, Kubernetes, API design and OAuth/OIDC, bachelor's degree or equivalent.
GCP, AWS, Azure, TypeScript, JavaScript, React, REST, GraphQL, Kubernetes, OAuth 2.0, OIDC, LLM, MCP, GKE, AWS Solutions Architect
1d
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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)
11h
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Algorithm Developer, Battlespace Awareness
Broomfield or Fort Collins
$111k-$147k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEBachelor's in CS/Engineering/Math/Physics or equivalent, 2+ years relevant experience, strong C++ and Python skills, solid math foundation, software engineering fundamentals, ability to obtain Top Secret/SCI clearance.
C++, Python, MATLAB, Simulink, SQL, NoSQL, JavaScript, React, Node.js
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
3w
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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++
2w
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Senior Android Engineer - TrainingPeaks
Louisville, Colorado, United States
$111k-$185k/yr HybridFull Time
Peaksware
Peaksware: Develops software for athletic and musical performance improvement.
2+ YOE2+ years building complex Android apps using Java/Kotlin, experience with testing (unit/integration/e2e/TDD), reactive frameworks (RxJava/Kotlin Flow), DI (Dagger/Koin/Hilt), Retrofit/Ktor, Google Play releases, strong communication.
Java, Kotlin, Android, RxJava, Kotlin Flow, Dagger, Koin, Hilt, Retrofit, Ktor, Google Play Store, Crashlytics, Jetpack Compose, Apple Watch, Garmin, React Native, JavaScript, TypeScript
4w
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Software Developer Engineer in Test/QA Automation Engineer (Boulder, CO)
Boulder or Denver
$90k-$150k/yr HybridFull Time
PickNik Robotics
PickNik Robotics: Provides software platforms for advanced robotic arm motion planning.
Bachelor's in Robotics/Computer Science, experience with Docker, CI/CD, testing frameworks, basic C++ and Python, EM/hardware testing, and ability to travel <20%; Boulder/Denver area residency required.
MoveIt Pro, C++, ROS 2, Python, React, Docker, CI/CD, REST API
2w
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Full Stack Engineer
Arvada or Denver
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
4+ YOEActive Secret clearance, 4+ years engineering experience, strong Python and backend skills, AWS/cloud experience, Docker/Kubernetes, Terraform, Git; Bachelor's in CS or related field or equivalent experience.
Python, AWS, EC2, S3, RDS, Fargate, EKS, ECS, CloudWatch, EFS/EBS, React, TypeScript, GraphQL, Docker, Kubernetes, Terraform, CI/CD pipelines, Git, GitHub, GitLab, Next.js, Refine, Vite, GitHub Actions
3w
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Senior Software Engineer - Java/Kotlin
Boulder, Colorado, United States
$131k-$167k/yr OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
5+ YOEBachelor's in CS/CE/SE or equivalent and 5+ years experience; mastered Java/Kotlin with Spring; experience designing software systems, microservices, REST APIs, databases, Docker/Kubernetes; strong communication and leadership skills.
Java, Kotlin, Spring Framework, Spring Boot, Spring Cloud, Spring Security, WebFlux, Microservices, RESTful API, Relational Databases, NoSQL, Docker, Kubernetes, Lit, Angular, Svelte, React, Vue, Agile