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Senior React Frontend Developer Jobs in Colorado

Kanshe Infotech

Sr. React / UI Architect

Denver, CO · On-site

$60 - $65/hr

Job Title : Sr. React / UI Architect (React, TypeScript, Node.js) Location: Denver, CO (Onsite ... Familiarity with CI/CD pipelines and DevOps practices for front-end deployments. * Strong knowledge ...

Parsons

Junior Front-End Developer

Westminster, CO · On-site

$105K - $122K/yr

Parsons is seeking a Junior Front End Developer, AI Applications to join our team in the Denver ... Willingness to learn from senior engineers and contribute to a collaborative team * Enthusiasm for ...

Parsons Corporation

Junior Front-End Developer

Westminster, CO · On-site

$105K - $122K/yr

Parsons is seeking a Junior Front End Developer, AI Applications to join our team in the Denver ... Willingness to learn from senior engineers and contribute to a collaborative team * Enthusiasm for ...

Instant Serve LLC

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 ...

Bentley Systems

Sr. Optimizely Developer

Arvada, CO · On-site +1

$117K - $154K/yr

Experimentation & Personalization (Frontend Execution) * * Complex Test Engineering: Code and ... Advanced proficiency in HTML5, CSS3/SASS, and JavaScript (Vanilla, ES6+, jQuery, React/Vue) to ...

AgentSync, Inc.

Senior Frontend Engineer

Denver, CO · On-site

$160K - $185K/yr

We're looking for a Senior Frontend Engineer to partner with our existing team to own the quality ... What You'll Do * Build high-quality, accessible, performant features in our React app across ...

Cymertek

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 ...

Cymertek

React.js / Node.js Developer

Aurora, CO · On-site

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 ...

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Senior React Frontend Developer information

What does a Senior React Frontend Developer do?

A Senior React Frontend Developer is responsible for designing, developing, and maintaining user interfaces using the React JavaScript library. They work closely with designers, backend developers, and product managers to deliver seamless and efficient web applications. In addition to coding, they often mentor junior developers, ensure code quality, and implement best practices for performance and accessibility. Their expertise helps create scalable, maintainable, and visually appealing user experiences.

What are the key skills and qualifications needed to thrive as a Senior React Frontend Developer, and why are they important?

To thrive as a Senior React Frontend Developer, you need advanced proficiency in JavaScript, React.js, HTML, and CSS, typically backed by a degree in computer science or related experience. Familiarity with tools like Redux, TypeScript, RESTful APIs, version control systems (e.g., Git), and modern build tools (Webpack, Babel) is essential. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are standout soft skills in this role. These skills and qualities ensure the delivery of scalable, maintainable web applications and foster productive collaboration within development teams.

What are some common challenges faced by Senior React Frontend Developers when working on large-scale applications?

Senior React Frontend Developers often encounter challenges such as managing complex state across large applications, ensuring optimal performance, and maintaining code consistency with multiple contributors. They are also responsible for integrating new features without disrupting existing functionality and keeping up with evolving best practices in the React ecosystem. Effective collaboration with backend teams and UX designers is essential to deliver seamless user experiences and scalable solutions.

What is the difference between Senior React Frontend Developer vs Frontend Developer?

AspectSenior React Frontend DeveloperFrontend Developer
Required SkillsAdvanced React, JavaScript, TypeScript, leadershipBasic to intermediate React, HTML, CSS
Experience5+ years, project leadership1-3 years, entry to mid-level
Work EnvironmentCollaborates on complex projects, mentors juniorsDevelops UI components, supports team
CertificationsRelevant certifications (e.g., React certifications)Optional, beginner certifications

The main difference between a Senior React Frontend Developer and a Frontend Developer lies in experience, skill level, and responsibilities. Senior developers handle complex projects, mentor team members, and possess advanced React expertise, while frontend developers focus on building UI components with less experience and responsibility.

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 are popular job titles related to Senior React Frontend Developer jobs in Colorado? For Senior React Frontend Developer jobs in Colorado, the most frequently searched job titles are:
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What cities in Colorado are hiring for Senior React Frontend Developer jobs? Cities in Colorado with the most Senior React Frontend Developer job openings:
Senior React Frontend Developer jobs near you

Senior React Frontend Architect

Eitacies Inc

Englewood, CO • On-site

$60/hr

Full-time

Re-posted 21 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.