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Full Stack Software Engineer Intern Jobs in Longmont, CO

Otter, LLC

Full Stack Development

Boulder, CO

$30 - $100/hr

Company Description Our engineering culture values simplicity, core engineering principles, quality ... We're building the world's leading eSignature compliant waiver software with built-in customer ...

CesiumAstro

Software Engineer II - Fullstack

Westminster, CO · On-site

$113K - $136K/yr

We are seeking a Software Engineer II to support several new, space-centric programs across the DoW ... Build modern full-stack applications in support of space mission systems. * Integrate and modernize ...

DCCA

Software Engineer

Westminster, CO · On-site

... build full stack applications or embedded software using C++, python and docker, kubernetes • Work with the following software development lifecycle concepts: Agile, DevSecOps, Continuous ...

Judge Group, Inc.

Software Engineer

Louisville, CO · On-site

$100K - $145K/yr

Role_scope - seeking a Software Engineer with strong Rust expertise and hands-on embedded systems experience to support full-stack development across low-level device integration and higher-level ...

Yes Energy

Fullstack Engineer

Boulder, CO · Hybrid

$95K - $115K/yr

While this is a full-stack role, most work is on the back end. Front-end work is expected but is ... Minimum Qualifications * 3+ years of software engineering experience. * Strong C#/.NET development ...

Yes Energy

Fullstack Engineer

Boulder, CO · Hybrid

$95K - $115K/yr

While this is a full-stack role, most work is on the back end. Front-end work is expected but is ... Minimum Qualifications * 3+ years of software engineering experience. * Strong C#/.NET development ...

Yes Energy

Fullstack Engineer

Boulder, CO · On-site

$95K - $115K/yr

While this is a full-stack role, most work is on the back end. Front-end work is expected but is ... Minimum Qualifications * 3+ years of software engineering experience. * Strong C#/.NET development ...

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All JobsFull Stack Software Engineer Intern JobsFull Stack Software Engineer Intern Jobs in Longmont, CO

Full Stack Software Engineer Intern information

See Longmont, CO salary details

$44K

$133.2K

$188.3K

How much do full stack software engineer intern jobs pay per year?

As of Sep 2, 2026, the average yearly pay for full stack software engineer intern in Longmont, CO is $133,227.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,700.00 and $156,200.00 per year, depending on experience, location, and employer.

What does a full stack software engineer intern do?

A Full Stack Software Engineer Intern assists with the development of both the front-end and back-end components of web applications. They work under the guidance of experienced engineers to write code, debug issues, and help integrate different technologies across the software stack. Typical tasks include building user interfaces, connecting to databases, and testing new features. This role helps interns gain hands-on experience with various programming languages, frameworks, and tools commonly used in software development.

What are the key skills and qualifications needed to thrive as a full stack software engineer intern?

To thrive as a Full Stack Software Engineer Intern, you need a solid understanding of programming languages (such as JavaScript, Python, or Java), basic web development concepts, and enrollment in a relevant degree program like computer science. Familiarity with frameworks (like React or Node.js), version control systems (such as Git), and cloud platforms are often expected. Strong problem-solving abilities, eagerness to learn, and effective teamwork set standout interns apart. These skills and qualities enable interns to contribute meaningfully to projects, adapt quickly to new technologies, and collaborate efficiently in dynamic development environments.

What types of projects and technologies do full stack software engineer interns typically work on during their internship?

Full Stack Software Engineer Interns often work on a variety of projects that span both front-end and back-end development. This may include building user interfaces with frameworks like React or Angular, developing APIs using Node.js or Python, and working with databases such as MongoDB or PostgreSQL. Interns usually collaborate closely with senior engineers, designers, and product managers, gaining exposure to the full software development lifecycle. The work environment tends to be fast-paced and collaborative, offering valuable opportunities to learn modern development practices and tools.

What is the difference between Full Stack Software Engineer Intern vs Software Developer Intern?

AspectFull Stack Software Engineer InternSoftware Developer Intern
Required SkillsKnowledge of both front-end and back-end technologies, basic understanding of databasesFocus on specific programming languages or platforms, such as Java, Python, or mobile development
Work EnvironmentCollaborates on full application development, often in agile teamsWorks on specific modules or features, may focus on front-end or back-end
Industry UsageCommon in tech companies, startups, and software firmsWidely used across various tech sectors, including web and mobile app development

In summary, a Full Stack Software Engineer Intern has a broader scope, working on both front-end and back-end development, while a Software Developer Intern may focus on a specific area. Both roles provide valuable experience in software development but differ in technical breadth and project involvement.

What are the most commonly searched types of Full Stack Software Engineer jobs in Longmont, CO?

The most popular types of Full Stack Software Engineer jobs in Longmont, CO are:

What are popular job titles related to Full Stack Software Engineer Intern jobs in Longmont, CO?

For Full Stack Software Engineer Intern jobs in Longmont, CO, the most frequently searched job titles are:

What job categories do people searching Full Stack Software Engineer Intern jobs in Longmont, CO look for?

The top searched job categories for Full Stack Software Engineer Intern jobs in Longmont, CO are:

What cities near Longmont, CO are hiring for Full Stack Software Engineer Intern jobs?

Cities near Longmont, CO with the most Full Stack Software Engineer Intern job openings:

Full Stack Software Engineer Intern jobs near you
Infographic showing various Full Stack Software Engineer Intern job openings in Longmont, CO as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, and 4% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $133,227 per year, or $64.1 per hour.

Mid Full Stack Engineer (5000) (Secret) (Broomfield, CO)

Outside Analytics + SMX

Broomfield, CO • On-site

Full-time

Re-posted 29 days ago

Job description

Job Summary:
Outside Analytics, now a subsidiary of SMX, is focused on delivering advanced digital transformation solutions in the space and intelligence domain. They are seeking a Full Stack UI Developer to support the DoD Space Force National Security mission, requiring expertise in both front-end and back-end development technologies.
Responsibilities:
• Implement responsive design principles to ensure applications work on various devices.
• Optimize applications for maximum speed and scalability.
• Troubleshoot and debug issues to ensure optimal performance.
• Stay up-to-date with the latest industry trends and technologies.
• Utilize Gitlab for project management and tracking.
• Apply DoD standards and protocols to ensure compliance and security.
Qualifications:
Required:
• Secret clearance (ability to obtain Secret clearance, i.e. U.S. Citizenship required)
• Proven experience as a Full Stack Developer with expertise in Java, JavaScript (JS), React, and/or Python.
• Strong understanding of front-end technologies such as JavaScript/ React
• Experience with back-end development, including Python
• Familiarity with version control systems such as Gitlab.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently and as part of a team.
• Strong communication and collaboration skills.
• Experience with DoD projects is highly desirable.
• Proficiency in using Gitlab for project management.
• A passion for learning and staying current with industry trends.
• 5+ years' experience
Preferred:
• Bachelor's degree in Computer Science, Engineering, or a related field.
• Experience with Agile development methodologies.
• Familiarity with CI/CD
• Continuous integration/continuous delivery techniques
• Familiarity with C++
Company:
Outside Analytics, acquired by SMX in late 2023, excels in imagining, developing, and deploying advanced capabilities that move our clients' missions forward. Founded in 2017, the company is headquartered in Broomfield, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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