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Junior Frontend Developer React Jobs in Colorado

Junior Front-End Developer

Westminster, CO

$105K - $122K/yr

Parsons is seeking a Junior Front End Developer, AI Applications to join our team in the Denver office . This onsite role is ideal for an early-career developer who is passionate about building ...

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 ...

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 ...

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 ...

Senior React Developer/Architect

Centennial, CO · On-site

$133K - $181K/yr

... junior developers - Stay current with emerging front-end trends, frameworks, and best practices Required qualifications to be successful in this role: What you'll bring - 10+ years of front-end ...

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 ...

Senior Front-End Engineer

Longmont, CO · On-site

$121K - $166K/yr

Deep proficiency with React, TypeScript, Node.js, and Tailwind, with the ability to design ... Mentor more junior teammates - through code review, pairing, and sharing what you learn during the ...

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 • ...

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Showing results 1-20

Junior Frontend Developer React information

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

AspectJunior Frontend Developer ReactJunior Frontend Developer Angular
Required SkillsProficiency in React, JavaScript, HTML, CSSProficiency in Angular, TypeScript, HTML, CSS
Work EnvironmentOften in startups, tech companies using ReactCommon in enterprise, large-scale applications using Angular
CertificationsReact certifications, JavaScript coursesAngular certifications, TypeScript courses
Industry UsagePopular in web development projectsUsed in complex, scalable web applications

Both roles are entry-level frontend positions requiring knowledge of JavaScript frameworks. React developers focus on building flexible, component-based UIs with React, while Angular developers work with a comprehensive framework for large-scale applications. The choice depends on the company's tech stack and project requirements.

What does a Junior Frontend Developer React do?

A Junior Frontend Developer React is responsible for building and maintaining the user interface of web applications using the React JavaScript library. They work closely with designers and backend developers to implement visual elements, ensure responsiveness, and improve user experience. As a junior developer, they typically handle basic coding tasks, bug fixes, and learn best practices under the supervision of more experienced team members.

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

To thrive as a Junior Frontend Developer React, you need a solid understanding of HTML, CSS, JavaScript, and foundational knowledge of React.js, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, code editors such as VS Code, and basic knowledge of RESTful APIs are typically expected. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate and adapt in team environments. These competencies ensure you can build responsive user interfaces, integrate with backend services, and contribute effectively to dynamic development teams.

What are some common challenges faced by Junior Frontend Developers working with React, and how can they be overcome?

Junior Frontend Developers using React often encounter challenges such as managing component state, understanding the React lifecycle, and efficiently handling props and state updates. Additionally, collaborating with backend teams and integrating APIs can require careful coordination and clear communication. To overcome these challenges, it's helpful to regularly review React documentation, participate in code reviews, and seek mentorship from more experienced developers. Embracing version control and agile workflows can also make teamwork and project management smoother.
What are popular job titles related to Junior Frontend Developer React jobs in Colorado? For Junior Frontend Developer React jobs in Colorado, the most frequently searched job titles are:
What cities in Colorado are hiring for Junior Frontend Developer React jobs? Cities in Colorado with the most Junior Frontend Developer React job openings:
Infographic showing various Junior Frontend Developer React job openings in Colorado as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Junior Front-End Developer

Junior Front-End Developer

Parsons

Westminster, CO

$105K - $122K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago


Parsons rating

7.9

Company rating: 7.9 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

219th of 442 rated engineering


Job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible.

Job Description:

Parsons is seeking a Junior Front End Developer, AI Applicationsto join our team in the Denver office. This onsite role is ideal for an early-career developer who is passionate about building intuitive, responsive user interfaces and has a foundational understanding of artificial intelligence applications.

The ideal candidate will have experience with Pythonand JavaScript, along with familiarity in modern front-end and UI development tools such as PyQT, ReactJS, Dash, Streamlit, or other relevant frameworks. This position offers the opportunity to support the development of interactive applications that help translate complex technical and AI-driven capabilities into user-friendly solutions.

Key Responsibilities

  • Design, develop, test, and maintain front-end components for internal and client-facing applications
  • Collaborate with software engineers, AI/ML engineers, and product stakeholders to create intuitive user experiences
  • Build dashboards, visualizations, and interactive interfaces for data-driven and AI-enabled applications
  • Support integration of front-end applications with back-end services and APIs
  • Assist in developing desktop or web-based applications using tools such as ReactJS, Dash, Streamlit, or PyQT
  • Participate in code reviews, debugging, and performance optimization efforts
  • Contribute to UI/UX improvements based on user feedback and project requirements
  • Write clean, maintainable, and well-documented code
  • Stay current with emerging front-end technologies and trends related to AI-enabled products

Required Qualifications

  • Bachelor's Degree in Computer Science or a related technical field or equivalent experience.
  • - (NOTE: Newly-hired MS graduates are typically hired into this level.)
  • - 2+ years of related professional experience.
  • Professional, internship, academic, or project-based experience in front-end or full-stack development
  • Working knowledge of Pythonand JavaScript
  • Familiarity with one or more of the following: PyQT, ReactJS, Dash, Streamlit, or similar front-end frameworks
  • Understanding of basic AI/ML conceptsand interest in building interfaces for AI-driven applications
  • Knowledge of HTML, CSS, and responsive design principles
  • Ability to work onsite in the Parsons Denver office
  • Strong problem-solving, communication, and collaboration skills

Preferred Qualifications

  • Experience developing dashboards, data visualization tools, or analytics interfaces
  • Exposure to REST APIs and integration between front-end and back-end systems
  • Familiarity with Git and collaborative development workflows
  • Experience with UI/UX design tools or wireframing
  • Understanding of how users interact with AI systems and how to present outputs clearly and effectively
  • Internship or project experience supporting software applications in a team environment
  • Familiarity with perception, computer vision, or applied ML
  • Familiarity with Azure Machine Learning, Roboflow, or creating AI workflows

What You'll Bring

    A strong interest in front-end development and emerging AI technologies

    • A user-centered mindset with attention to detail
    • Willingness to learn from senior engineers and contribute to a collaborative team
    • Enthusiasm for solving technical challenges and building impactful applications

    Why Join Parsons

    At Parsons, you'll be part of a mission-driven team working on innovative solutions that help solve complex challenges. We value collaboration, technical excellence, and continuous learning. This is an exciting opportunity for a junior developer to grow technical skills while contributing to modern applications that incorporate AI capabilities.

    Equal Opportunity

    Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility. All qualified applicants will receive consideration for employment without regard to protected status under applicable law.

    Security Clearance Requirement:

    NoneThis position is part of our Critical Infrastructure team.For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people's quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers' visions-and to help them see what's next!Salary Range: $88,400.00 - $154,700.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!

    Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer tohttps://www.parsons.com/fraudulent-recruitment/.


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