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Junior Full Stack Developer Jobs in Colorado (NOW HIRING)

PassTime

Full Stack Developer

Littleton, CO · On-site

$100K - $120K/yr

Leading provider of award-winning GPS solutions seeking Full Stack Software Developer WHAT WE DO Headquartered a few miles south of Denver, in Littleton, Colorado, PassTime is a leading provider of ...

Credible Data

Senior Full Stack Developer

Boulder, CO · On-site

They are looking for a Senior Full Stack Developer to join their founding team and lead front-end development while ensuring an intuitive user experience. Responsibilities : • Join the founding ...

New

Cymertek

Full Stack Developer

Aurora, CO

Full Stack Developer LOCATIONAurora, CO 80014 CLEARANCETS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARYAre you a versatile and innovative developer with a ...

PassTime

Full Stack Developer

Littleton, CO · On-site

$100K - $120K/yr

Leading provider of award-winning GPS solutions seeking Full Stack Software Developer WHAT WE DO Headquartered a few miles south of Denver, in Littleton, Colorado, PassTime is a leading provider of ...

Auria

Full Stack Developer

Colorado Springs, CO · On-site

$110K - $130K/yr

Auria is looking to hire a Full-Stack Developer to design, implement, and maintain software solutions supporting mission-critical SATCOM and defense systems. The ideal candidate will be proficient in ...

Auria

Full Stack Developer

Colorado Springs, CO · Hybrid

$110K - $130K/yr

Auria is looking to hire a Full-Stack Developer to design, implement, and maintain software solutions supporting mission-critical SATCOM and defense systems. The ideal candidate will be proficient in ...

lumos

Full-Stack Developer

Canonsburg, PA · Hybrid

$86K - $100K/yr

Segra is searching for a qualified and experienced Full-Stack Developer to join us in a full-time capacity. Location Requirement: The work arrangement for this role is a hybrid position, requiring a ...

Sonepar

SIL Sr Full-Stack Developer

Broomfield, CO · On-site

We are seeking a Full Stack Developer with a Back-End Focus to support the design, development, and enhancement of enterprise web applications. This role emphasizes backend architecture, APIs, data ...

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Showing results 1-20

All 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 Jul 2, 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 does a junior full stack developer do?

A junior full stack developer assists in designing, developing, and maintaining both the front-end and back-end components of web applications. They typically work with programming languages like JavaScript, HTML, CSS, and server-side technologies, often under the guidance of senior developers. Their role involves coding, debugging, and collaborating with teams to deliver functional software solutions.

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.

How much does a junior full stack developer make?

A junior full stack developer typically earns between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of front-end and back-end technologies such as JavaScript, HTML, CSS, and frameworks like React or Node.js.

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.

Will AI replace full stack dev?

AI is unlikely to fully replace junior full stack developers, as the role requires complex problem-solving, creativity, and understanding of user needs that AI cannot replicate. Instead, AI tools can assist developers by automating repetitive tasks and improving efficiency, allowing developers to focus on higher-level design and logic. Continuous learning of programming languages, frameworks, and AI integration is important for staying relevant in this evolving field.

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.

How much does a junior full stack developer earn?

A junior full stack developer typically earns between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of programming languages like JavaScript, Python, or Java, and familiarity with frameworks such as React or Node.js.
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 June 2026, with employment types broken down into 100% Full Time. Highlights an 59% In-person, and 41% Remote job distribution, with an average salary of $93,559 per year, or $45 per hour.
Mid-Senior Full Stack Developer

Mid-Senior Full Stack Developer

CACI International, Inc.

Aurora, CO • On-site

Full-time

Medical, Retirement, PTO

Posted 5 days ago

Job description

Job Title: Mid-Senior Full Stack Developer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
Anticipated Posting End: 8/31/2026
The Opportunity:
As part of the Clairvoyant program, you will design and build the primary touchpoint between our platform and its customers - a sophisticated API layer and modern web UI delivering critical, real-time data to third-party partners.
As a Mid-Senior Full Stack Developer, you will operate within a hardened, AWS-based, Kubernetes-native environment where modern interface standards meet strict government security requirements. This is a high-visibility role where you will:
  • Engineer the Interface: Build responsive web applications using React that visualize complex, real-time data sets for external customers.
  • Architect the API Layer: Design and maintain RESTful or GraphQL APIs supporting seamless third-party integrations at scale.
  • Secure the Stack: Implement OAuth2, OIDC, and mTLS protocols and ensure all code meets DISA STIG and OWASP standards.
  • Own the Lifecycle: Drive the full SDLC from agile requirements through automated CI/CD deployment on Kubernetes.

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%.

Desired:
  • 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.
  • Working knowledge of OAuth2, OIDC, mTLS, and modern API security patterns.
  • Knowledge of the OWASP Top 10 and STIG-compliant development practices.
  • Familiarity with RHEL 9 hardening and STIG compliance at the OS and container level.
  • Relevant certifications: AWS Developer Associate, CKAD, or CompTIA Security+.

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$108,400 - 227,500 USD
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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