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

Senior Software Developer

Leidos senior temporary

Salary

$131,300.00 - $237,350.00 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 background in software development concepts, coding skills using various tools, and ambitions for future projects supporting the mission.

Primary Responsibilities

  • Building software coding knowledge and providing system administration and modification of existing Government Off-The-Shelf (GOTS) code to integrate open-source software solutions for display in a web application
  • Working with programming languages such as C#, Java, JavaScript/TypeScript, Python, and Shell scripting
  • Creating and documenting new and existing functionality within software version control repositories using GitLab and utilising DevOps principles and tools to deliver new features within an Agile construct
  • Participating in program Agile software development initiatives, including stand-up meetings, planning, and increment planning, to support applications through iteration and functionality using Atlassian tools (Jira/Confluence)
  • Collaborating 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 with 12-15 years of prior relevant experience, or Master's with 10-13 years of prior relevant experience; may possess a Doctorate in a technical domain
  • Minimum 8 years of experience with JavaScript, Python, or C# development frameworks
  • Minimum 8 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 virtualisation environment
  • Expert knowledge of and ability to apply advanced technical principles, theories, and concepts
  • Ability to resolve highly complex technical problems through advanced analysis, research, and application of best practices
  • Basic understanding of AI tools and their applications in software development, including code assistance, debugging, documentation, and productivity enhancement
  • Demonstrated ability to effectively plan, prioritise, and manage multiple tasks simultaneously with a strong attention to detail
  • Excellent verbal and written communication skills with the ability to engage effectively with team members, leadership, and customers

Preferred Qualifications

  • At least 1 year of experience with Department of Defense (DoD) software requirements
  • At least 12 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: $131,300.00 - $237,350.00

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-00195113

Apply on Leidos