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Greeley • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Greeley • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Greeley • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Greeley • 50 milesRemote · Hybrid · Onsite · Field · All Environments

225 reactjs developer jobs at 110 companies in Greeley, 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

Help us #BeatIndeed & #BeatLinkedIn

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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

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2w

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

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2w

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

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2mo

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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1w

App Engineer

Denver, Colorado, United States

$100k-$115k/yr HybridFull Time

Janus Henderson

Janus HendersonNYSE: JHG: Provides global asset management and investment advisory services.

Proficient PHP and WordPress multisite development, React/Gutenberg block development, SCSS/CSS, JavaScript (ES6+), Git, Composer, npm, Docker, Jira; experience working in Agile teams and integrating third-party APIs.

PHP, WordPress, WordPress VIP, React, JavaScript (ES6+), SCSS, Git, Docker, Composer, npm, Jira, GitHub Copilot, PHP Unit, Veracode

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1mo

Software Engineer

Aurora, Colorado, United States

$69k-$158k/yr OnsiteFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

3+ YOE3+ years designing and developing software; proficiency with Python or Java; experience building RESTful APIs, cloud environments (AWS/Azure/GCP), and full-stack development; TS/SCI clearance with polygraph; Bachelor's in STEM required.

Python, Java, Vue, Node, AWS, Azure, GCP, RESTful APIs, Linux, Docker, Kubernetes, C#, C, C++, JavaScript, React

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2mo

Principal Software Engineer - Frontend, Developer Experience

San Francisco or Phoenix or Denver or Austin or Jacksonville or Bridgeport or Boston or New York City or Atlanta

RemoteFull Time

Palo Alto Networks

Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.

5+ YOEDevelop frontend UIs with TypeScript/React; collaborate with product/design; contribute to architecture and testing; mentor colleagues.

TypeScript, React, GraphQL, Node.js

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2d

Software Engineer - iOS/Android

Strongsville or Denver or Pittsburgh or Birmingham or Dallas

$60k-$150k/yr OnsiteFull Time

PNC Financial Services

PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.

5+ YOEBachelor's degree and 5+ years software development experience, 3+ years Java enterprise development, Spring Boot, REST, microservices, SQL, Git, frontend and mobile development experience.

Java, Java 11, Java 17, Spring Boot, Spring MVC, Hibernate/JPA, REST APIs, Microservices, Maven, Gradle, Angular, React, Vue, JavaScript, TypeScript, HTML5, CSS3, Swift, Objective-C, Kotlin, Android SDK, iOS SDK, React Native, Flutter, Oracle, PostgreSQL, SQL Server, MongoDB, Azure, AWS, Docker, Kubernetes, Git, Jenkins, SonarQube, Jira, Postman, Kafka, GitHub Actions, Azure DevOps, GitLab

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1mo

Software Engineer

Denver, Colorado, United States

OnsiteFull Time, Internship

Connexta

Connexta: Develops open-source software and data interoperability solutions for intelligence.

Bachelor's degree in CS or related field; software development across Mac/Windows/Linux; ability to learn new technologies; U.S. Citizenship.

Java, OSGi, Karaf/ServiceMix, Camel, ActiveMQ, Cassandra, Lucene/Solr, SoapUI, Enterprise Integration standards (WS-*), GeoTools, JavaScript, HTML5, CSS3, Less/Sass, Backbone, Marionette, React, Redux, Bootstrap, Handlebars, Cesium, Ozone Widget Framework (OWF), Ozone Platform (OZP), Grunt, Bower, NPM, WebPack, XML, XSD, XSLT, XPath, XQuery, Geospatial (OGC), CometD, WebSockets, Agile, Scrum processes or tools, Eclipse/IntelliJ, Maven, JUnit, CXF SOAP and REST web services, Git/Stash, JIRA, Confluence, Crucible, Jenkins, SonarQube

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2mo

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

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4d

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4d

Senior Software Engineer, Offers

Denver, Colorado, United States

$125k-$155k/yr HybridFull Time

bet365

bet365: Provides global online sports betting and digital casino games.

Experience leading development teams, mentoring developers, cloud platform experience, knowledge of React, Typescript, Go/Golang, SQL and Kafka; strong problem-solving and delivery focus.

Go, Typescript, React, SQL, Kafka, GCP, C#, .net, MSSQL, WPF

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6d

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6d

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)

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1mo

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

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1mo

Software Engineer

United States or Boston or New York City or Denver

$110k-$125k/yr RemoteFull Time

Spoiler Alert

Spoiler Alert: SaaS platform for managing and liquidating surplus food inventory.

2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.

TypeScript, React, Express, MongoDB

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3mo

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3mo

Software Engineer II

Denver or Lexington or Waltham

$78k-$120k/yr HybridFull Time

Xometry

XometryNASDAQ: XMTR: Operates an AI-powered marketplace for custom manufacturing and prototyping.

4+ YOE4+ years frontend development with React/TypeScript; AWS experience; marketplace product exposure; strong leadership and communication.

React, TypeScript, AWS

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3mo

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3mo

Software Engineer

Omaha or San Francisco or Denver or Atlanta or Chicago or Seattle or New York or Philadelphia or Dallas or Los Angeles or Boston

OnsiteFull Time

HDR

HDR: Global provider of engineering, architecture, environmental and construction services.

Bachelor's degree or equivalent experience; hands-on web and backend development using modern frameworks; familiarity with REST/JSON, relational and non-relational databases, cloud deployment, CI/CD, and collaborative Git workflows.

JavaScript, TypeScript, React, Next.js, .NET Blazor, .NET Core, Node.js, HTML, CSS, RESTful APIs, JSON, Azure, GCP, Vercel, Git, CI/CD, BIM, AI, machine-learning

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2w

Software Engineer

Warrenton or Denver or Fort Meade

$160k-$258k/yr OnsiteFull Time

Altamira Technologies

Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.

Must have strong Java and JavaScript/TypeScript skills, Bachelor's in CS/CE/EE or related, TS/SCI with poly required; experience with full-stack development, REST, containerization, cloud and data technologies desired.

Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK, Redis, REST, Docker, LXC, Kubernetes, Helm, Android, NoSQL, SQL, Xmidas, Machine Learning, Data Analytics

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1mo

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1mo

AppSec Engineer

Austin or Chicago or Denver or Los Angeles or San Diego or San Francisco or United States or Australia or New Zealand or Canada or United Kingdom or Philippines

$131k-$169k/yr HybridFull Time

Karbon

Karbon: Practice management software for accounting firms.

4+ YOE4+ years security/development experience embedding AppSec in SDLC, cloud (Azure/AWS/GCP), SAST/SCA/DAST configuration, CI/CD security, code review, Python/PowerShell/Bash, and strong communication skills.

Microsoft .NET/C#, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, Claude Code, GitHub Co-Pilot, Portswigger Burp, SAST, SCA, DAST, GitHub Actions, Azure Devops, EDR, MDM

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1mo

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1mo

Software Engineer (Full Stack)

Denver, Colorado, United States

$125k-$165k/yr HybridFull Time

Bayview Asset Management

Bayview Asset Management: Investment management firm specializing in credit and mortgage assets.

6+ YOEBA/BS in CS or engineering required; 6+ years software development experience with C#, JavaScript, SQL/T-SQL, REST/.NET Core; experience with web development, React preferred, relational DB and SDLC (Agile/Scrum).

C#, JavaScript, SQL, TSQL, SQL Server, React, .NET Core, .NET, ADO, HTML, XML, ASP, AJAX, REST, Web services, Git, Jira, TeamCity, Octopus

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1mo

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1mo

Software Engineer

Denver, Colorado, United States

$120k-$150k/yr HybridFull Time

Litera

Litera: AI-powered document and workflow software for legal professionals.

3+ YOE3–5 years software development experience; strong C# and TypeScript/JavaScript; .NET/.NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework; web technologies and frameworks; CI/CD and Git workflows; prompt engineering.

C#, TypeScript, JavaScript, .NET, .NET Core, ASP.NET Core, REST APIs, SQL, Entity Framework, HTML, CSS, React, Angular, Vue, LLM, Git, GitHub, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Data Factory, Docker, Kubernetes, AWS, SSAS, MDX, DAX, SSIS, Power BI, SQL Agent Jobs, Stored Procedures, Views

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