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Junior Full Stack Developer Jobs in Colorado (NOW HIRING)

Northstrat

Full Stack Developer

Aurora, CO · On-site

Northstrat is seeking a Full-Stack Software Developer for our program. As a member of the team, you'll participate in our Agile development process, including all Agile ceremonies (stand-up ...

Northstrat

Full Stack Developer

Aurora, CO · On-site

Northstrat is seeking a Full-Stack Software Developer for our program. As a member of the team, you'll participate in our Agile development process, including all Agile ceremonies (stand-up ...

GRVTY

Full Stack Developer

Aurora, CO · On-site

Northstrat, a GRVTY Company is seeking a Full-Stack Software Developer to join the SHIV (SIGINT Holistic Integration and Verification) program. As a member of the team, you'll participate in our ...

Sonepar

Full-Stack Developer

Broomfield, CO · On-site

We are seeking a Full Stack .NET Application Developer. Individuals must be authorized to work in the United States for Sonepar without VISA sponsorship now or in the future. As part of our team, you ...

Sonepar

Full-Stack Developer

Broomfield, CO · On-site

We are seeking a Full Stack .NET Application Developer. Individuals must be authorized to work in the United States for Sonepar without VISA sponsorship now or in the future. As part of our team, you ...

CGI Inc.

Angular Full Stack Developer

Centennial, CO · On-site

Angular Full Stack Developer Category: Software Development/ Engineering Main location: United States, Colorado, Centennial Position ID:J0826-0326 Employment Type: Full Time Position Description: CGI ...

GRVTY

Full Stack Developer

Aurora, CO

$130K - $200K/yr

Northstrat, a GRVTY company is seeking a Full-Stack Software Developer to join a growing program comprised of multiple agile development teams. As a member of the team you'll participate in our fully ...

Northstrat

Full Stack Developer

Aurora, CO · On-site

Northstrat is seeking a Full-Stack Software Developer to join a growing program comprised of multiple agile development teams. As a member of the team you'll participate in our fully Agile ...

GRVTY

Full Stack Developer

Aurora, CO · On-site

$130K - $200K/yr

Northstrat, a GRVTY company is seeking a Full-Stack Software Developer to join a growing program comprised of multiple agile development teams. As a member of the team you'll participate in our fully ...

Northstrat

Full Stack Developer

Aurora, CO · On-site

Northstrat is seeking a Full-Stack Software Developer to join a growing program comprised of multiple agile development teams. As a member of the team you'll participate in our fully Agile ...

GRVTY

Full Stack Developer

Aurora, CO · On-site

$125K - $200K/yr

Northstrat, a GRVTY Company is seeking a Full-Stack Software Developer to join the SHIV (SIGINT Holistic Integration and Verification) program. As a member of the team, you'll participate in our ...

GRVTY

Full Stack Developer

Aurora, CO · On-site

$125K - $200K/yr

Northstrat, a GRVTY Company is seeking a Full-Stack Software Developer to join the SHIV (SIGINT Holistic Integration and Verification) program. As a member of the team, you'll participate in our ...

Northstrat

Full Stack Developer

Aurora, CO · On-site

Northstrat is seeking a Full-Stack Software Developer to join a growing program comprised of multiple agile development teams. As a member of the team you'll participate in our fully Agile ...

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Showing results 21-40

All JobsFull Stack Developer JobsJunior Full Stack Developer JobsJunior Full Stack Developer Jobs in Colorado

Junior Full Stack Developer information

See Colorado salary details

$25.2K

$93.6K

$144.6K

How much do junior full stack developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for junior full stack developer in Colorado is $93,559.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $91,500.00 per year, depending on experience, location, and employer.

What is the difference between Junior Full Stack Developer vs Front End Developer?

AspectJunior Full Stack DeveloperFront End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React, Angular, or Vue
Work EnvironmentCollaborates on both client-side and server-side projects, often in startups or tech companiesFocuses on user interface and experience, primarily in web development teams
Common UsageEntry-level role for full stack development in various industriesSpecialized role focusing on front-end development in web projects

The main difference is that a Junior Full Stack Developer works on both front-end and back-end tasks, while a Front End Developer specializes in creating and optimizing user interfaces. The Junior Full Stack Developer has a broader skill set, whereas the Front End Developer focuses more on design and user experience.

What are the key skills and qualifications needed to thrive as a junior full stack developer, and why are they important?

To thrive as a Junior Full Stack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Python or Node.js), along with a relevant degree or coding bootcamp certification. Familiarity with frameworks (like React or Angular), version control systems (such as Git), and basic database management is typically required. Strong problem-solving skills, adaptability, and effective teamwork set standout developers apart. These skills are crucial for building robust, user-friendly applications and collaborating efficiently in fast-paced development environments.

What is a junior full stack developer?

A Junior Full Stack Developer is an entry-level software engineer who is capable of working on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages such as JavaScript, HTML, CSS, as well as experience with frameworks like React, Node.js, or similar technologies. Junior Full Stack Developers collaborate with more experienced developers to build, test, and maintain web applications. Their responsibilities often include writing code, debugging, and learning best practices under supervision. This role is ideal for individuals looking to grow their skills in all areas of web development.

What does a junior full stack developer do?

A full stack developer works on both the user-facing and back-end elements of websites and applications. A junior full stack developer works under the supervision of a senior developer. In this position, your duties include handling coding responsibilities for front-end, user-facing elements. You use JavaScript, HTML, and CSS for this part of the job. You also use languages such as Python, SQL, and PHP for the back-end system of a website, including the database, cloud network, and security features. In addition to coding, you test and debug your developments and work with other team members using development strategies and methodologies.

What are some common challenges junior full stack developers face during their first year on the job?

Junior Full Stack Developers often encounter challenges such as balancing the demands of both front-end and back-end development, adapting to new frameworks or tools, and managing time effectively across multiple projects. Collaborating with more experienced team members and understanding how to communicate technical concepts clearly can also be a learning curve. Regular code reviews and mentorship are commonly provided to help junior developers grow their skills and confidence in a supportive team environment.
More about Junior Full Stack Developer jobs
What are the most commonly searched types of Full Stack Developer jobs in Colorado? The most popular types of Full Stack Developer jobs in Colorado are:
What are popular job titles related to Junior Full Stack Developer jobs in Colorado? For Junior Full Stack Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Junior Full Stack Developer jobs in Colorado look for? The top searched job categories for Junior Full Stack Developer jobs in Colorado are:
What cities in Colorado are hiring for Junior Full Stack Developer jobs? Cities in Colorado with the most Junior Full Stack Developer job openings:
Junior Full Stack Developer jobs near you
Infographic showing various Junior Full Stack Developer job openings in Colorado as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $93,559 per year, or $45 per hour.

Mid-Senior Full Stack Developer

CACI International Inc

Aurora, CO • On-site

Full-time

Re-posted 15 days ago

Job description

Job Summary:
CACI International Inc is seeking a Mid-Senior Full Stack Developer to design and build the primary touchpoint between their platform and its customers. This role involves engineering responsive web applications and architecting an API layer to deliver real-time data while ensuring compliance with government security requirements.
Responsibilities:
• Design and maintain responsive front-end applications using React, handling complex data visualization and high-concurrency use cases for external partners.
• Build and maintain scalable RESTful and GraphQL APIs using Node.js, Python (FastAPI/Flask), or Java (Spring Boot) for third-party data access.
• Implement authentication and authorization patterns including OAuth2, OIDC, mTLS, and RBAC to ensure secure external data access.
• Design and optimize relational (PostgreSQL) and non-relational (Elasticsearch, Redis) data store interactions.
• Containerize applications with Docker and deploy to Kubernetes on AWS in coordination with the DevSecOps team.
• Ensure all code meets DISA STIG requirements and addresses the OWASP Top 10 throughout the development lifecycle.
• Integrate with GitLab CI/CD pipelines and Helm charts for deployment across environments.
• Conduct code reviews, provide technical guidance for junior developers, and serve as the SME for third-party API integration.
• Maintain technical documentation, API specifications, and integration guides.
Qualifications:
Required:
• Current TS/SCI clearance with Polygraph.
• Bachelor’s degree in Computer Science or related field, or equivalent experience.
• 5+ years (mid-level) or 10+ years (senior-level) of full-stack software engineering experience.
• Advanced proficiency in JavaScript/TypeScript and React, including Redux and Context API.
• Strong experience building APIs with Node.js, Python (FastAPI/Flask), or Java (Spring Boot).
• Proficiency with Docker — writing Dockerfiles, building hardened images, and integrating with CI/CD pipelines.
• Familiarity with GitLab CI/CD, Helm, and Kubernetes deployment.
• Comfortable working in an agile, distributed team environment.
• Ability to travel up to 5%.
Preferred:
• Experience with data visualization libraries such as D3.js or Recharts.
• Familiarity with GraphQL federation and advanced API design patterns.
• Experience with AWS services including ECS/EKS, API Gateway, CloudFront, and RDS.
• Working knowledge of OAuth2, OIDC, mTLS, and modern API security patterns.
• Knowledge of the OWASP Top 10 and STIG-compliant development practices.
• Exposure to Elasticsearch query optimization and index management at scale.
• Familiarity with RHEL 9 hardening and STIG compliance at the OS and container level.
• Relevant certifications: AWS Developer Associate, CKAD, or CompTIA Security+.
Company:
At CACI International Inc (NYSE: CACI), our 27,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security. Founded in 1962, the company is headquartered in Arlington, USA, with a team of 10001+ employees. The company is currently Late Stage.

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