Software Developer Intern

Leidos

Posted 5 days ago

Internship

St. Louis, Missouri

In Person

Smart Summary

Responsibilities

The intern will design and code software solutions for the Aeronautical Navigation Office, focusing on integrating open-source software into web applications. Responsibilities include modifying GOTS code, utilizing DevOps principles, and participating in Agile development initiatives.

Qualifications

You have a baseline understanding of software development concepts and are currently pursuing a related bachelor's degree. You possess developing coding skills using various tools and frameworks like JavaScript, Python, or C#, and have experience with web-enabled applications.

Must Have Skills for ATS

C#

Java

JavaScript

TypeScript

Python

Shell scripting

GitLab

DevOps

Agile

Atlassian

Jira

Confluence

Job Description

The Leidos FS2 Aero team has an opening for a software developer intern to work on the design and coding with software solutions for the Aeronautical Navigation Office for a 6 month – temporary to permanent hire position starting as soon as possible.  The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission. 

Primary Responsibilities

  • Primary responsibilities will involve building software coding knowledge providing the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application.
  • This role will work with programming languages to include C#/Java and JavaScript/TypeScript, Python, Shell scripting. 
  • Creation and documentation of new and existing functionality within software version control repositories (gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct.
  • Participate in program Agile software development initiatives (standup, planning, Increment planning) to support applications through iteration/functionality utilizing Atlassian (Jira/Confluence).
  • Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria.

Basic Qualifications

  • Currently enrolled in a related bachelors degree program.  
  • Experience with JavaScript, Python, or C# development framework.
  • Experience of working with web-enabled applications.
  • Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
  • Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
  • Organizational Skills: Can plan and prioritize work. Follow tasks to their logical conclusion and make sure that everything has been done to the right standard. Good attention to detail.
  • Communications: Ability to communicate clearly and efficiently with team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
  • US Citizenship required.
  • Ability to obtain and maintain a TS/SCI with Polygraph clearance.

Preferred Qualifications

  • 0+ years of experience working in a government cloud environment.
  • 0+ years of experience with DOD software requirements.
  • AWS Solutions or DevOps certification.
  • Team Collaboration tools (Jira, Confluence).
  • Active TS/SCI with Polygraph clearance.
  • DOD 8570 Compliant Certification (Sec+).

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:

June 8, 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:

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

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. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers' missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes' Best Employers for Diversity, Forbes' America's Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute's World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
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