Software Developer Intern

00100 LEIDOS, INC.; Maryland; On-site; USD 48,000 - 87,000; Full time

Job summary

Leidos invites applications for a Software Developer Intern in Maryland, starting Summer 2027. The role involves agile software development across a large program, with emphasis on code quality, test automation, and DevOps practices.

You will contribute to design, testing, and integration efforts while gaining exposure to state-of-the-art technologies. Candidates must be pursuing a Bachelor's in CS/Engineering and be capable of obtaining a TS/SCI clearance.

Qualifications

• Currently enrolled in a Bachelor’s degree program in Computer Science, Engineering, or related field, going into the Junior or Senior level.
• Experience with at least one major programming language (e.g., Java, C++, Python).
• Excellent problem solving and debugging skills.
• Ability to work independently and as part of a team.
• Strong written and verbal communication skills.
• US Citizenship required.
• Ability to obtain a TS/SCI with Polygraph clearance before start date.
• Internship requires, but is not limited to, an in-person interview in Maryland at intern's own expense.
• Ability to maintain a TS/SCI with Polygraph clearance after start date.

Responsibilities

• Completing software development tasks individually and/or as a member of an agile team.
• Using design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques.
• Using sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.
• Providing software process management and control throughout the coding portion of the software development process and promoting code reuse and cross-program collaboration by creating common functions and shared actions for developers and testers.
• Participating in peer code reviews to improve the quality of code written by other team members.
• Creating new applications or updating existing applications based on user requirements.
• Communicating with team members about project status and issues that arise.
• Creating prototypes of new technologies and features for potential incorporation into future products.
• Debugging computer code to fix errors and improve performance.
• Testing software for bugs or other issues that may affect functionality or the user experience.
• Reviewing documentation about new technology releases or product updates to ensure understanding of how the new system works.
• Conducting research on new technologies and techniques to identify opportunities for improvement.
• Analyzing data to identify trends and formulate solutions.

Skills

Java

C++

Python

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Eclipse

Visual Studio

Git

MySQL

Oracle

MongoDB

HTML

CSS

JavaScript

PHP

Job description

Leidos has a new and exciting opportunity for a Software Developer Intern (starting in summer 2027) in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Join us and make a difference in National Security! The selected individual(s) will perform software development activities on a large, complex program using agile development. The program uses Behavior Driven Development (BDD) and test automation tools alongside a full suite of team collaboration tools. Program execution follows DEVOPS best practices and employs robust development, test, and production environments. Program provides system engineering, development, test, integration, and operational support to a large, fast-paced program, and is infusing new technology and adding advanced capabilities while continuing to support an on-going mission and operational system. The responsibilities for this position may include any aspect of the software development lifecycle that would be expected on a large, complex program. The selected individuals will work full time during their Summer break from college and potentially part time during the school year.

Primary Responsibilities

• Completing software development tasks individually and/or as a member of an agile team.
• Using design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques.
• Using sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.
• Providing software process management and control throughout the coding portion of the software development process and promoting code reuse and cross-program collaboration by creating common functions and shared actions for developers and testers.
• Participating in peer code reviews to improve the quality of code written by other team members.
• Creating new applications or updating existing applications based on user requirements.
• Communicating with team members about project status and issues that arise.
• Creating prototypes of new technologies and features for potential incorporation into future products.
• Debugging computer code to fix errors and improve performance.
• Testing software for bugs or other issues that may affect functionality or the user experience.
• Reviewing documentation about new technology releases or product updates to ensure understanding of how the new system works.
• Conducting research on new technologies and techniques to identify opportunities for improvement.
• Analyzing data to identify trends and formulate solutions.

Basic Qualifications

• Currently enrolled in a Bachelor’s degree program in Computer Science, Engineering, or related field, going into the Junior or Senior level.
• Experience with at least one major programming language (e.g., Java, C++, Python).
• Excellent problem solving and debugging skills.
• Ability to work independently and as part of a team.
• Strong written and verbal communication skills.
• US Citizenship required.
• Ability to obtain a TS/SCI with Polygraph clearance before start date.
• Internship requires, but is not limited to, an in-person interview in Maryland at intern's own expense.
• Ability to maintain a TS/SCI with Polygraph clearance after start date.

Preferred Qualifications

• Java coding experience.
• Strong understanding of object-oriented programming concepts.
• Experience with multiple programming languages.
• Experience with software development tools (e.g., Eclipse, Visual Studio, Git).
• Experience with databases (e.g., MySQL, Oracle, MongoDB).
• Experience with web development technologies (e.g., HTML, CSS, JavaScript, PHP).

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting: October 29, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

• $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos Overview

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

• Leidos will never ask you to provide payment-related information at any part of the employment application process.
• Leidos will communicate with you only through emails that are sent from a Leidos.com email address.
• If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.