CACI
Denver, CO, USA

Cleared Software Engineer Intern - Summer 2026

Onsite$39,900 – $79,900/yrTS/SCI with PolygraphPosted Oct 8, 2025WebsiteLinkedIn

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About this role

The Opportunity:

CACI is seeking a skilled Software Developer for our Summer 2026 Makalu internship program. If you are enthusiastic about creating innovative products and components utilizing modern technologies, this opportunity may be a perfect fit for you. You will be engaging in a dynamic, start-up-like environment focused on new development within an agile framework. This role requires full-time, on-site presence at our locations in Denver, CO, and Sterling, VA

Responsibilities:

On Team Makalu, typical responsibilities include proactively designing the architecture for new components, while also suggesting ways to improve the application and overall UI/UX. Our team works closely together with on-site and remote engineers developing front-end applications and back-end microservices, all dedicated to creating the best products and user experience possible.

Duties include but are not limited to:

  • Day-to-day expectations include solving challenging, but rewarding technical problems, meeting program objectives within the agile development cycle, suggesting ways to improve UX/UI and the software baseline, and introducing new ways to meet mission needs.
  • Be part of an agile team where communication skills and the ability to execute within the established development process are paramount to your and the team's success.
  • Work on new technologies, striving to stay customer-focused and thriving on challenges to build new UI applications.
  • Utilize industry proven design patterns and open-source tools.
  • Contribute to a positive and upbeat team atmosphere.

Qualifications:

Required:

  • Must be able to obtain and maintain applicable TS/SCI with Poly.
  • Must currently be enrolled in a full-time Undergraduate, or Graduate Student. If Undergraduate or Graduate, pursing a degree in Computer Science or related field is preferred, not required.
  • Entry Level experience and knowledge of Coding.
  • Experience using REST-based web services.
  • Familiarity with Agile software development methodologies.
  • Familiarity with modern web technologies and techniques such as HTML5, CSS, CSS pre-processors (e.g. SASS, Less, Stylus), or JavaScript build tools (e.g. Browserify, WebPack, Closure).
  • Familiarity with Java Spring Boot
  • Strong organizational skills and attention to detail.
  • Strong verbal and written communication skills.
  • Experience with Linux environment and Linux shell scripting.

Desired:

  • An eagerness to learn a modern infrastructure and be a part of a team supporting mission critical systems.
  • Familiarity with real-time communication mechanisms such as WebSockets.
  • Familiarity with Node, Cesium, and/or Open Layers.
  • Familiarity with Spring, Docker, and/or Kubernetes.
  • Knowledge of microservices based architecture.
  • Familiarity with Elasticsearch and SQL based databases
  • Familiarity with emerging trends in desktop, web, and mobile app development.
  • Experience with deployments, dev ops, and / or AWS
  • Experience with Git.

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.

Your potential is limitless. So is ours.