Junior Frontend Developer Startup Jobs in Colorado

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 Applications to 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 Python and 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 Python and JavaScript
• Familiarity with one or more of the following: PyQT, ReactJS, Dash, Streamlit, or similar front-end frameworks
• Understanding of basic AI/ML concepts and 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:

None

This 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 - $154,700.00

We 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 to https://www.parsons.com/fraudulent-recruitment/.