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Assistant Frontend Developer Jobs in Colorado (NOW HIRING)

Junior Front-End Developer

Westminster, CO · On-site

$105K - $122K/yr

Support integration of front-end applications with back-end services and APIs * Assist in ... Willingness to learn from senior engineers and contribute to a collaborative team * Enthusiasm for ...

Frontend Engineer

Golden, CO · On-site

$140K - $190K/yr

As a Frontend Engineer at Loft, you will work on a range of projects, including refining the UI of ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

As a Frontend Engineer at Loft, you will work on a range of projects, including refining the UI of ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

As a Frontend Engineer at Loft, you will work on a range of projects, including refining the UI of ... These tools assist our recruitment team but do not replace human judgment. Final hiring decisions ...

UI Developer

Aurora, CO · On-site

$121K - $182K/yr

Overview of Opportunity Two Six Technologies is actively seeking a Front-End Developer motivated to ... We are happy to connect and cover the information needed to assist you in reaching your next career ...

UI/UX Developer

Aurora, CO · On-site

$84K - $152K/yr

Overview of Opportunity Two Six Technologies is actively seeking a Front-End Developer motivated to ... We are happy to connect and cover the information needed to assist you in reaching your next career ...

Angular Developer

Englewood, CO · On-site

$54 - $66.25/hr

Angular Development for the Portals applications. * Assist in building Portals software to scale ... Maintains knowledge of front-end application systems. * Experienced in the design, implementation ...

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 ... This is a dedicated line designed exclusively to assist job seekers whose disability prevents them ...

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Assistant Frontend Developer information

What are Assistant Frontend Developers?

Assistant Frontend Developers are entry-level professionals who support the design and implementation of user interfaces for websites and web applications. They work closely with senior developers to write code using HTML, CSS, and JavaScript, and help ensure that websites are visually appealing and function correctly across different devices. Their responsibilities often include fixing bugs, testing features, and learning modern frontend frameworks. This role is ideal for those starting a career in web development and looking to gain practical experience while collaborating with a team.

What is the difference between Assistant Frontend Developer vs Junior Frontend Developer?

AspectAssistant Frontend DeveloperJunior Frontend Developer
Required CredentialsTypically an associate degree or relevant certificationsUsually an entry-level role with similar educational background
Work EnvironmentSupports senior developers, collaborates on projectsWorks on basic tasks, learning and gaining experience
Employer & Industry UsageCommon in tech companies, startups, agenciesWidely used in software development teams
Comparison Search IntentOften searched for as a stepping stone to Junior rolesMost common entry-level position in frontend development

The main difference between an Assistant Frontend Developer and a Junior Frontend Developer lies in their experience level and responsibilities. Assistant roles often involve supporting senior team members and learning on the job, while Junior Developers focus on executing basic tasks and gaining foundational skills. Both roles are entry-level and serve as stepping stones in a frontend development career.

What are some common challenges faced by Assistant Frontend Developers when working on collaborative projects?

Assistant Frontend Developers often encounter challenges such as merging code changes with other team members, understanding and following established coding standards, and adapting quickly to different frameworks or libraries used by the team. Communication is key, as you may need to clarify requirements with designers, backend developers, or senior engineers to ensure the final product meets expectations. Learning to navigate version control systems like Git and participating in code reviews are also important aspects of the collaborative environment.

What are the key skills and qualifications needed to thrive as an Assistant Frontend Developer, and why are they important?

To thrive as an Assistant Frontend Developer, you need a good grasp of HTML, CSS, JavaScript, and an understanding of responsive web design, typically supported by a relevant degree or coding bootcamp. Familiarity with frontend frameworks like React or Vue.js, version control systems such as Git, and basic usage of design tools is often expected. Attention to detail, eagerness to learn, and effective communication are important soft skills for collaborating with teams and adapting to evolving technologies. These skills and qualities are crucial for building user-friendly interfaces, ensuring code quality, and contributing effectively to development projects.
What are the most commonly searched types of Frontend Developer jobs in Colorado? The most popular types of Frontend Developer jobs in Colorado are:

Junior Front-End Developer

Parsons

Westminster, CO • On-site

$105K - $122K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 19 days ago


Parsons rating

7.7

Company rating: 7.7 out of 10

Based on 46 frontline employees who took The Breakroom Quiz

258th of 439 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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