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

Junior Software Developer

Leidos entry full-time

Salary

$69,550 - $125,725 per year

Apply on Leidos

Description

The Leidos FS2 Aero team is seeking a junior software developer to work on designing and coding software solutions for the Aeronautical Navigation Office.

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

  • Develop and deploy core services using AWS, including Lambda and EC2s
  • Work with C#, Java, JavaScript/TypeScript, Python, OpenShift, Shell scripting, Docker, React, Postgres SQL, GraphQL, and Prisma
  • Create and document new and existing functionality within software version control repositories using GitLab and DevOps principles
  • Participate in Agile software development initiatives, including stand-up meetings, planning, and increment planning
  • Collaborate with team members to assess tickets and ensure proper testing and delivery of functionality

Basic Qualifications

  • Active Top Secret clearance with the ability to obtain a SCI post-hire
  • Typically requires a BS degree and 2+ years of prior relevant experience or a Master's degree with less than 2 years of experience
  • Experience with React or modern JavaScript frameworks
  • Experience with Python and C# development frameworks
  • Experience with unit testing, continuous integration tools, and GitLab version control
  • Proactive self-starter with excellent oral and written communication skills

Preferred Qualifications

  • AWS Developer Solutions Mindset
  • At least 3 years of experience with Linux and/or Windows system administration
  • At least 2 years of experience with DoD Aeronautical Datasets
  • At least 1 year of experience with AWS cloud formation templates
  • At least 1 year of experience with Node, NPM, REST API, and Sass
  • AWS Solutions, Developer, DevOps certification
  • Team Collaboration tools (Jira, Confluence)
  • Active TS/SCI with Polygraph
  • DOD 8570 Compliant Certification (Sec+)

Skills

Nice to have

  • AWS Developer Solutions Mindset
  • Linux system administration
  • Windows system administration
  • DoD Aeronautical Datasets
  • AWS cloud formation templates
  • Node
  • NPM
  • REST API
  • Sass
  • AWS Solutions
  • Developer
  • DevOps certification
  • Jira
  • Confluence
  • TS/SCI with Polygraph
  • DOD 8570 Compliant Certification (Sec+)

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-00192534

Apply on Leidos