Cleared Software Engineer Intern - Summer 2027

CACI International Inc; Denver (CO); On-site; USD 40,000 - 80,000; Part time

Benefits offered by this job

Flexible time off

Robust learning resources

Job summary

The Makalu Software Development Internship at CACI International Inc. is a Summer 2027 program based on an on-site footprint in Denver, CO and Sterling, VA.

You will work within an agile team to design components, develop front-end and back-end microservices, and improve UI/UX while using modern web technologies. Applicants must be pursuing an undergraduate or graduate degree in CS or related field and be able to obtain TS/SCI with Poly.

Qualifications

• Enrolled in undergraduate or graduate CS or related field.
• Able to obtain and maintain TS/SCI with Poly.
• Entry-level coding experience.
• Experience with REST-based web services.
• Familiar with Agile methodologies.
• Familiar with HTML5, CSS, CSS preprocessors or JS build tools.
• Familiar with Java Spring Boot.
• Strong organizational skills and attention to detail.
• Strong verbal and written communication.
• Experience with Linux environment and shell scripting.

Responsibilities

• Design architecture for new components and improve UI/UX.
• Collaborate with on-site and remote engineers (front-end and back-end microservices).
• Solve challenging technical problems within Agile cycle and meet objectives.
• Improve UX/UI and software baseline; introduce new approaches.
• Work in an agile team with strong communication and execution.

Skills

Undergraduate or graduate degree in CS

REST-based web services

Agile methodologies

HTML5/CSS/JS tooling

Java Spring Boot

Linux shell scripting

Strong communication

Coding basics

Strong organizational skills

Education

CS-related degree (undergrad/grad)

Tools

Java Spring Boot

Docker

Kubernetes

Job description

Job Title: Cleared Software Engineer Intern - Summer 2027
Job Category: Intern/Co-op
Time Type: Part time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Part-Time On-Call
Percentage of Travel Required: None
Type of Travel: None
Anticipated Posting End: 11/23/2026

The Opportunity

CACI is seeking skilled Software Development Interns for our Summer 2027 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.

• 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

• Must be currently pursuing an undergraduate or graduate degree in Computer Science or a related field.
• Must be able to obtain and maintain a TS/SCI with Poly.
• 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.

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.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The Proposed Salary Range For This Position Is

$39,900-$79,900

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.