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From the employer's careers site First seen 25 Oct 2026

Senior Software Developer

Leidos senior temporary

Salary

$107,900 - $195,050 per year

Apply on Leidos

Description

The Leidos FS2 Aero team is seeking a senior software developer to work on designing and coding software solutions for the Aeronautical Navigation Office. This is a 6-month temporary to permanent hire position.

The ideal candidate has a strong foundation in software development concepts, coding skills using various tools, and ambitions for future projects supporting the mission.

Primary Responsibilities

  • Develop software coding knowledge to provide system administration and modification of existing Government Off-The-Shelf (GOTS) code to integrate open-source software solutions for display in a web application.
  • Work with programming languages such as C#, Java, JavaScript/TypeScript, Python, and Shell scripting.
  • Create and document new and existing functionality within software version control repositories (GitLab) and utilize DevOps principles and tools to deliver new features within an Agile construct.
  • Participate in program Agile software development initiatives, including stand-up meetings, planning, and increment planning, to support applications through iteration and functionality using Atlassian (Jira/Confluence).
  • Collaborate with team members to assess tickets, ensure proper testing, and deliver functionality according to User Story Acceptance Criteria.

Basic Qualifications

  • Active Top Secret clearance.
  • Ability to obtain a TS/SCI clearance prior to starting and maintain it post-hire.
  • Bachelor's degree or certification and 8-12 years of prior relevant experience, or Master's degree with 6-10 years of prior relevant experience. A Doctorate in a technical domain is also acceptable.
  • Minimum 6 years of experience with JavaScript, Python, or C# development frameworks.
  • Minimum 6 years of experience working with web-enabled applications.
  • Proactive self-starter with excellent oral and written communication skills.
  • Experience in software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
  • Expert knowledge of and ability to apply advanced technical principles, theories, and concepts.
  • Ability to develop solutions to complex technical issues affecting multiple functional areas or disciplines.
  • Basic understanding of AI tools and their applications in software development, including code assistance, debugging, documentation, and productivity enhancement.
  • Strong ability to prioritize, coordinate, and manage multiple tasks while ensuring timely completion and adherence to quality standards.

Preferred Qualifications

  • At least 1 year of experience with Department of Defense (DoD) software requirements.
  • At least 8 years of experience working in a government cloud environment.
  • AWS Solutions or DevOps certification.
  • Experience with Team Collaboration tools (Jira, Confluence).
  • Active TS/SCI with polygraph.
  • DoD 8570 Compliant Certification (Security+).

Pay Range: $107,900.00 - $195,050.00

Skills

Nice to have

  • DoD software requirements
  • government cloud environment
  • AWS Solutions or DevOps certification
  • Team Collaboration tools (Jira, Confluence)
  • Active TS/SCI with polygraph
  • DoD 8570 Compliant Certification (Security+)

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/St-Louis-MO/Software-Developer_R-00195121

Apply on Leidos