Software Developer Intern

Leidos; St. Louis (MO); On-site; USD 48,000 - 87,000; Full time

Job summary

Leidos is seeking a software developer intern to join the FS2 Aero team in the Aeronautical Navigation Office. The role focuses on design and coding of software solutions for web applications, using languages such as JavaScript/TypeScript, Python, and C#.

The intern will contribute to DevOps practices in an Agile environment and collaborate on integrating open-source components. The ideal candidate is currently enrolled in a bachelor's program, has coding experience, and aims to grow in cloud

Qualifications

• Currently enrolled in a bachelor's degree program.
• US Citizenship required.
• Ability to obtain and maintain a TS/SCI with polygraph clearance.
• 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 software development or software integration in cloud, SOA, Web-Services or virtualization environments.
• Strong organizational skills and attention to detail.
• Clear and efficient communication with team members and clients.

Responsibilities

• Primary responsibilities will involve building software coding knowledge and modifying GOTS code to integrate open-source solutions for a web application.
• Work with C#/Java, JavaScript/TypeScript, Python, and Shell scripting.
• Create and document new and existing functionality in GitLab and apply DevOps practices to deliver features in Agile.
• Participate in Agile software development initiatives and plan sprints using Jira/Confluence.
• Collaborate to assess tickets and ensure testing and delivery per acceptance criteria.

Skills

JavaScript

Python

C#

Web applications

SOA / Web Services

Cloud

DevOps

GitLab

Jira

Confluence

Education

Bachelor's degree

Tools

GitLab

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 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 bachelors degree program.
• US Citizenship required.
• Ability to obtain and maintain a TS/SCI with polygraph clearance.
• 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.

Preferred Qualifications

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

September 24, 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 onlyand 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.