1

Seasonal React Frontend Developer Jobs in Colorado

Application Developer

Denver, CO · On-site

$60 - $70/hr

NET 8 / 9 project with a React front-end. Location: Denver, CO (100% onsite) Start: 10/06/2025 End ... LINQ * Azure DevOps with GIT / TFSC or equivalent * Console Application Executables * Window ...

Front End React Developer

Denver, CO · On-site

$107K - $124K/yr

... a React developer with about two years of experience. Remote/Onsite: * If relo: * Can start 100% remote but would need to move to CO with a set timeline Top Skills: * 3+ years of front end ...

Front End GUI Developer / Software Engineer

Aurora, CO · On-site

$106K - $123K/yr

Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly ... Familiarity with front-end frameworks (e.g., React, Angular, Vue) * Experience with version control ...

SIMILAR CAREER TITLES Frontend Developer, Backend Developer, Full Stack Developer, JavaScript Developer, Web Developer, UI/UX Developer, MEAN Stack Developer, MERN Stack Developer, Software Engineer ...

Sr. React Engineer

Boulder, CO · On-site

$135K - $155K/yr

... developer efficiency * All contributions maintain consistent quality standards across the codebase * The team develops a shared understanding of when AI should and should not be used * Frontend ...

Front-End Engineer II

Almont, CO · On-site

$110K - $120K/yr

The role partners with front-end developers, API engineers, designers, and product owners, and ... Proficiency with React for modern feature development and migration from Ember where applicable. No ...

As a Frontend Engineer, you will work on refining the UI of Cockpit, the satellite operations ... Required : • Strong proficiency in TypeScript / HTML / CSS • Experience with Vue or React • ...

next page

Showing results 1-20

Seasonal React Frontend Developer information

What are the most commonly searched types of React Frontend Developer jobs in Colorado?

The most popular types of React Frontend Developer jobs in Colorado are:

What cities in Colorado are hiring for Seasonal React Frontend Developer jobs?

Cities in Colorado with the most Seasonal React Frontend Developer job openings:

Senior React Frontend Architect

Eitacies Inc

Englewood, CO • On-site

$60/hr

Full-time

Re-posted 17 days ago


Job description

Senior React /Frontend Architect 
Denver, CO - Onsite  5 days Inoffice
 
About Role: (React, TypeScript, Node.js)
We need someone who can initiate and architect for our project from scratch, including:
  • Setting up a brand-new frontend architecture
  • CDN strategy and traffic pattern considerations
  • SEO improvements and best practices
  • Integration of AEM with React applications
  • SSR (Server-Side Rendering) knowledge
  • Performance optimization strategies
Overall, we are looking for someone with strong frontend architectural expertise.
Must Have Skills:
  • React
  • Material UI
  • TypeScript
  • Storybook
  • SASS
  • AEM Cloud with SPA Editor experience

Job Description:
We are looking for a Senior React Architect with expertise in React, Material UI, TypeScript, and Node.js to help build and optimize high performance web applications. The ideal candidate has a strong foundation in front-end development, best practices, advanced TypeScript skills, and experience with modern JavaScript build tools like Webpack. Experience in Node.js library packaging, design systems, and optimizing front-end performance is highly desirable.
 
Responsibilities:
  • Develop and optimize React components, ensuring reusability, maintainability, and performance.
  • Architect and maintain a scalable React application structure, following best practices for long-term sustainability.
  • Build and package Node.js libraries to be reusable across multiple projects.
  • Write clean, efficient, and scalable TypeScript code, ensuring strong type safety and maintainability.
  • Build UI components using Material UI, ensuring consistency with design guidelines.
  • Integrate and consume RESTful APIs or GraphQL endpoints efficiently.
  • Implement and manage front-end testing using frameworks such as Jest, Cypress, or React Testing Library.
  • Optimize Webpack configurations for faster builds, better bundling, and improved performance.
  • Ensure adherence to best practices for performance optimization, accessibility, and security.
  • Collaborate closely with backend teams to integrate APIs and optimize data fetching strategies.
  • Debug and resolve complex issues across the front-end stack, including state management and caching strategies.
  • Stay updated with the latest trends in React, TypeScript, and front-end development to deliver best-in-class solutions.
  • Participate in code reviews, mentor junior developers, and contribute to technical discussions.
Qualifications:
  • 13+ years of experience in front-end development, with at least 8+ years of hands-on React experience.
  • Advanced TypeScript skills, with a focus on type safety and best practices.
  • Strong experience with Material UI for building accessible, consistent UIs.
  • Solid understanding of Node.js and experience with Node.js library packaging.
  • Hands-on experience with front-end test frameworks (Jest, Cypress, React Testing Library).
  • Deep understanding of Webpack, including performance optimizations, tree shaking, and bundle splitting.
  • Familiarity with state management solutions such as Redux, Zustand, or Recoil.
  • Experience with performance tuning, lazy loading, and optimizing Lighthouse scores.
  • Familiarity with CI/CD pipelines and DevOps practices for front-end deployments.
  • Strong knowledge of RESTful APIs and GraphQL, with experience in efficient data fetching strategies.
  • Excellent problem-solving skills and the ability to debug complex front-end issues.
  • Strong communication skills, with the ability to collaborate effectively with designers, backend developers, and stakeholders.