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React Js Developer Jobs in Denver, CO (NOW HIRING)

Jefferson Center

Senior Digital Engineer

Wheat Ridge, CO · On-site

$105K - $130K/hr

Technical Skills including but not limited to: Front-End * * React * js * TypeScript * JavaScript ... RDS DevOps * * GitHub Actions * Azure DevOps * Jenkins * CI/CD Automation * Monitoring and ...

Clerkie

Software Engineer Internship

Denver, CO · On-site +1

$80/hr

Proficiency in JavaScript/TypeScript and experience with React.js, Next.js, or Node.js * ... Live Coding Challenge w/ another Sr. Engineer (90 minutes via Google meet) * Final Management ...

Anagh Technologies, Inc.

Front End React Developer

Denver, CO · On-site

$107K - $124K/yr

React Developer Location: Denver, CO- REMOTE GIS (React Developer) Notes: This is just a React developer with about two years of experience. Remote/Onsite: * If relo: * Can start 100% remote but ...

Anagh Technologies, Inc.

Lead React Developer

Louisville, CO · On-site

$60.75 - $77.75/hr

Title Lead React Developer-MUI Location: Louisville, CO Duration: 12Months Only 10+ Years with PP No UI LEAD WITH STRONG EXPERIENCE ON REACT/MUI(Material UI). SHOULD BE CAPABLE OF OFFERING SOLUTIONS ...

Centraprise

Java Fullstack Developer

Denver, CO · On-site

$54 - $69.75/hr

Proficiency in front-end (HTML, CSS, JS) & back-end languages (Python, Java, Node.js, etc ... React, Vue, or Angular. Back-End: Develop server-side applications, APIs (RESTful), and manage ...

Deep Reef

Frontend Software Engineer

Denver, CO · On-site

$90 - $130/hr

... Developer to join our growing team at Deep Reef.You'll be responsible for creating exceptional user experiences using cutting-edge technologies like React,Vue.js, and modern CSS frameworks. This role ...

EchoStar

Principal Engineer - Software

Englewood, CO · On-site

$142K - $181K/yr

... React JS, JavaScript, HTML, CSS and JQuery. Design, implement, and maintain code within a test ... Review developer code and project deliverables to ensure quality and adherence to established ...

EchoStar

Principal Engineer - Software

Englewood, CO · On-site

$142K - $181K/yr

... React JS, JavaScript, HTML, CSS and JQuery. Design, implement, and maintain code within a test ... Review developer code and project deliverables to ensure quality and adherence to established ...

Axos Bank

Frontend Outsystems Manager

Centennial, CO · On-site

$110K - $140K/yr

Lead one or more development teams of near-shore or local developers * Design and prototype ... Outsystems, Java, JavaScript, MVC, Angular 10 or React JS, TypeScript * 5+ years' of full-stack web ...

Hirekeyz Inc

Full Stack Java Developer

Denver, CO · On-site

$54 - $69.75/hr

Full Stack Java Developer Location: Denver, CO & Nashville, TN (Onsite) Duraction: Long Term ... Hands-on experience with frontend technologies like Angular, React, or Vue.js * Experience with ...

HCL Global Systems Inc

Typescript Developer

Denver, CO · On-site

HCL Global Systems Inc is seeking a Typescript Developer to join their team in Denver, CO. The role ... frameworks like React, or Vue.js • Strong back-end development experience using Node.js and ...

HCL Global Systems Inc

Senior Java Developer

Denver, CO · On-site

$59 - $75.25/hr

... as React, Vue.js, or Ember.js. • Familiarity with other API standards, such as GraphQL or SOAP ... DevOps practices, such as continuous integration, continuous delivery, and automated testing.

Horizontal Talent

Sr. Optimizely Developer

Denver, CO · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... JS, ES6+, jQuery, React, or Vue. * Deep understanding of Optimizely platform concepts such as ...

Career Team

Data Conversion Software Engineer

Denver, CO

$60K - $100K/yr

As a Data Conversion Software Engineer , you'll help design, build, and maintain systems that ... Familiarity with frontend frameworks such as React, Next.js, or Angular * Experience designing data ...

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All JobsReact Js Developer JobsReact Js Developer Jobs in Denver, CO

React Js Developer information

See Denver, CO salary details

$43.7K

$113.6K

$160.1K

How much do react js developer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for react js developer in Denver, CO is $113,645.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,000.00 and $124,500.00 per year, depending on experience, location, and employer.

What is a React JS developer?

A React JS Developer is a software engineer who specializes in building user interfaces and web applications using the React JavaScript library. They are responsible for developing reusable components, managing application state, and ensuring high-performance, responsive designs. React JS Developers often work closely with designers and backend developers to deliver seamless user experiences. Their expertise includes JavaScript, HTML, CSS, and modern front-end development tools.

What are the key skills and qualifications needed to thrive as a React JS developer?

To thrive as a React JS Developer, you need a strong grasp of JavaScript, HTML, CSS, and modern React concepts such as hooks, state management, and component lifecycle, typically supported by a degree in computer science or relevant experience. Familiarity with version control systems like Git, build tools such as Webpack or Babel, and testing frameworks like Jest is commonly required. Problem-solving, effective communication, and teamwork are crucial soft skills that distinguish successful developers in this role. These abilities ensure efficient development of scalable, maintainable applications and smooth collaboration within cross-functional development teams.

What are some common challenges faced by React JS developers when integrating with backend APIs?

React JS Developers often encounter challenges such as managing asynchronous data flows, handling errors gracefully, and ensuring smooth communication between the frontend and backend services. Debugging issues related to inconsistent API responses or cross-origin resource sharing (CORS) can also be common. Staying up-to-date with evolving RESTful or GraphQL API standards and ensuring secure authentication and data validation are essential for successful integration.

What is the difference between React Js Developer vs Front-End Developer?

AspectReact Js DeveloperFront-End Developer
Required SkillsProficiency in React.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like Angular or Vue
Work EnvironmentFocus on building user interfaces with ReactDeveloping and maintaining websites/apps across various frameworks
Industry UsageCommon in companies using React for UI developmentBroader role across multiple front-end technologies

React Js Developers specialize in building user interfaces using React.js, while Front-End Developers work across various frameworks and technologies to create complete website or app front-ends. React Js Developers focus more on React-specific skills, whereas Front-End Developers have a broader skill set applicable to multiple frameworks.

What are popular job titles related to React Js Developer jobs in Denver, CO?

For React Js Developer jobs in Denver, CO, the most frequently searched job titles are:

What job categories do people searching React Js Developer jobs in Denver, CO look for?

The top searched job categories for React Js Developer jobs in Denver, CO are:

What cities near Denver, CO are hiring for React Js Developer jobs?

Cities near Denver, CO with the most React Js Developer job openings:

React Js Developer jobs near you
Infographic showing various React Js Developer job openings in Denver, CO as of August 2026, with employment types broken down into 84% Full Time, 5% Part Time, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $113,645 per year, or $54.6 per hour.

Full Stack C#/React Software Engineer

Front Door Defense

Greenwood Village, CO • On-site

$110 - $140/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 16 days ago

Key responsibilities

  • Develop key user-facing features to support current and future missions using C#, React, and Typescript.

  • Translate designs and requirements into high quality code, build reusable components, and develop APIs.

  • Collaborate with teams and stakeholders, participate in technical design, and conduct code reviews.

Job description

Full Stack C#/React Software Engineer Own the development of the full-stack web application for mission operations

Location: Greenwood Village, Colorado

Compensation: $110,000 - 140,000 USD / year

About The Role Full Stack Software Engineer

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next-generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively.

We're looking to expand our team across the board. We are looking for a Full Stack Software Engineer who is excited about building and pushing the boundaries of software to operate spacecrafts. Our software is a modern (React/TypeScript, C#.NET) web-based application which operators use to monitor and task space vehicles. You'll be responsible for working with engineers, operators, and customers to understand requirements and implement features, bug fixes, and other improvements. Prior space-industry experience is not required.

Responsibilities
  • Develop key user-facing features to support both current and future missions using C#, React, Typescript
  • Translate designs and requirements into high quality code.
  • Build reusable components, design systems and front-end libraries for future use.
  • Develop internal and external facing API's.
  • Engineer algorithms and business logic to power a rapidly evolving application.
  • Write unit tests and documentation.
  • Collaborate with various teams and stakeholders.
  • Participate in technical design for new features and technologies.
  • Participate in code reviews.
Qualifications
  • 4+ years of software engineering.
  • Strong full-stack web engineering experience.
  • Experience with strongly typed backend languages, such as C#.
  • Exceptional problem solving skills.
  • Understanding of modern React and its core principles.
  • Experience with common front-end development tools, such as Babel, Webpack, NPM, etc.
  • Experience with Git.
  • Thorough knowledge of API's.
  • Experience with SQL Databases.
  • Eagerness to continue to learn and improve.
  • Desire to mentor and participate in the growth of peers.
  • Strong verbal and written communication, presentation, and interpersonal skills with the ability to work in a collaborative team environment.
Desired Qualifications
  • Computer science degree.
  • React using TypeScript.
  • Experience with modern state management tools such as Recoil.js, React Query, Mobx, etc.
  • Experience with modern security practices.
  • Ability to obtain and hold a security clearance.

In addition to compensation, York Space Systems is proud to offer a comprehensive benefits package including medical, dental, and vision insurance along with PTO and a 401K.

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