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Trainee React Frontend Developer Jobs in Colorado

USM

Front End Developer-----Need Full GC and USC

Denver, CO · On-site

$107K - $124K/yr

Front End Developer Denver, Colorado 3+ Months Contract Need Full GC and USC Senior Level Front End Skills including: strong experience using React to build web applications strong experience ...

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 ...

Anagh Technologies, Inc.

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 ...

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 ...

Marathon TS

Software Engineer

Colorado Springs, CO · On-site

Marathon TS is looking for a Software Engineer to support their efforts at TSA. The role involves ... Required : • 2+ years of React Frontend development • 2+ years of HTML/CSS • 2+ years of ...

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 ...

CGI Inc.

Senior React Developer/Architect

Centennial, CO · On-site

$133K - $181K/yr

The ideal candidate brings deep front-end engineering expertise, strong architectural judgment, and ... React JavaScript * SASS * Storybook * Typescript * WebPack What you can expect from us: Together ...

Loft Orbital

Frontend Engineer

Golden, CO · On-site

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 • ...

Resource Label Group

Senior Front-End Engineer

Longmont, CO · On-site

$121K - $166K/yr

THE OPPORTUNITY We're looking for a Senior Front-End Engineer to take ownership of our front-end ... Deep proficiency with React, TypeScript, Node.js, and Tailwind, with the ability to design ...

AgentSync, Inc.

Senior Frontend Engineer

Denver, CO · On-site

$160K - $185K/yr

Build high-quality, accessible, performant features in our React app across multiple product areas * Help shape the path forward for our frontend architecture * Build and extend a shared component ...

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Trainee React Frontend Developer information

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

To thrive as a Trainee React Frontend Developer, you need a solid understanding of JavaScript, HTML, CSS, and foundational knowledge of React.js, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic knowledge of RESTful APIs, and exposure to development tools such as npm or Yarn are typically expected. Strong problem-solving abilities, attention to detail, and effective communication help you collaborate well within a team and adapt to feedback. These skills are crucial for building responsive user interfaces, maintaining code quality, and contributing effectively to dynamic development projects.

What types of projects and tasks can a Trainee React Frontend Developer expect to work on during their first six months?

As a Trainee React Frontend Developer, you will typically start with smaller tasks such as fixing bugs, writing unit tests, and implementing simple UI components under the guidance of senior developers. You'll gradually progress to working on larger features, integrating APIs, and collaborating with designers to ensure user interfaces are both functional and visually appealing. Regular code reviews and pair programming sessions are common, providing valuable feedback and learning opportunities. This phase is crucial for building a strong foundation in React and understanding best practices in frontend development.

What does a Trainee React Frontend Developer do?

A Trainee React Frontend Developer is an entry-level software developer who focuses on building and maintaining the user interface of web applications using the React JavaScript library. They work under the guidance of senior developers to learn best practices, write clean code, and gain experience with technologies such as HTML, CSS, JavaScript, and React. Their responsibilities typically include assisting in the development of new features, fixing bugs, and learning how to use development tools and workflows. The goal is to build foundational skills in frontend development while contributing to real-world projects.

What is the difference between Trainee React Frontend Developer vs Junior React Developer?

AspectTrainee React Frontend DeveloperJunior React Developer
Required SkillsBasic knowledge of React, HTML, CSS, JavaScriptProficient in React, JavaScript, HTML, CSS, and some project experience
Work EnvironmentTraining programs, internships, entry-level projectsFull-time roles, collaborative teams, ongoing project development
CertificationsOptional, often part of training coursesPreferred but not mandatory; relevant certifications can be advantageous
ResponsibilitiesLearning, assisting in tasks, shadowing senior developersImplementing features, fixing bugs, contributing to codebase

The main difference between a Trainee React Frontend Developer and a Junior React Developer lies in experience and responsibilities. Trainees are typically in training or internship phases, focusing on learning and assisting, while Junior React Developers are expected to have a solid understanding of React and contribute actively to projects.

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 Trainee React Frontend Developer jobs in Colorado? For Trainee React Frontend Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Trainee React Frontend Developer jobs in Colorado look for? The top searched job categories for Trainee React Frontend Developer jobs in Colorado are:
What cities in Colorado are hiring for Trainee React Frontend Developer jobs? Cities in Colorado with the most Trainee React Frontend Developer job openings:
Trainee React Frontend Developer jobs near you

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.