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Software Developer

Leidos
  • Saint Louis, Missouri
    16 days ago
    Leidos

    Job Description

    The Leidos FS2 Aero team has an opening for a junior software developer to work on the design and coding with 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

    • The applicant must possess an understanding of core AWS services, like compute, storage and be able to develop and deploy cores services (Lambda, EC2s). 
    • C#/Java and JavaScript/TypeScript, Python, OpenShift, Shell scripting, Docker, React, Postgres SQL, GraphQL (and Apollo)  and Prisma. 
    • This role includes 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 innovation and enhancement of custom applications through iteration/functionality testing utilizing Atlassian (Jira/Confluence)
    • Primary responsibilities will involve using cloud computing expertise to provide the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application. This role includes API development and database integration for interaction with Redux and React frameworks, using various open-source packages for visualization and data filtering and code modifications that shall apply best practices in unit and build testing.
    • Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria

    Basic Qualifications

    • Active Top Secret with ability to obtain a SCI post hire
    • Typically requires BS degree and 2+ years of prior relevant experience or Masters with less than 2 years; OR 4+ years of related experience.
    • Experience with REACT or modern JavaScript framework.
    • Experience with Python, C# development framework
    • Experience with unit testing, continuous integration tools, and Gitlab version control
    • 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. Follows tasks to their logical conclusion and makes sure that everything has been done to the right standard. Good attention to detail.
    • Communications: Ability to communicate clearly and efficiently to team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.

    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, Sass
    • AWS Solutions, Developer, DevOps certification
    • Team Collaboration tools (Jira, Confluence)
    • Active TS/SCI with Polygraph
    • DOD 8570 Compliant Certification (Sec+)

    #NSBA

    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 23, 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 $69,550.00 - $125,725.00

    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.

    Numbers & Facts

    LocationSaint Louis, Missouri
    IndustryEngineering Services
    Company Size10,000 employees or more
    Year Founded1969
    Websitehttp://leidos.com/

    About Company

    Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

    Skills

    • AWS Lambdaunmatched
    • Agile Programming Methodologiesunmatched
    • Amazon Elastic Compute Cloud (EC2)unmatched
    • Amazon Web Services (AWS)unmatched
    • Application Programming Interface (API)unmatched
    • Atlassian JIRAunmatched
    • Best Practicesunmatched
    • Cloud Computingunmatched
    • Communication Skillsunmatched
    • Computer Programmingunmatched
    • Computer Servicesunmatched
    • Continuous Integrationunmatched
    • Data Setsunmatched
    • Data Visualizationunmatched
    • Detail Orientedunmatched
    • DevOpsunmatched
    • DoD Directive 8140unmatched
    • DoD Directive 8570unmatched
    • Documentationunmatched
    • Establish Prioritiesunmatched
    • Functional Testingunmatched
    • Government Off-the Shelf (GOTS)unmatched
    • Internet Applicationunmatched
    • JavaScript Frameworksunmatched
    • Legalunmatched
    • Linux Administrationunmatched
    • Microsoft C# (C Sharp)unmatched
    • Microsoft Windows System Administrationunmatched
    • Open Sourceunmatched
    • Organizational Skillsunmatched
    • Presentation/Verbal Skillsunmatched
    • Python Programming/Scripting Languageunmatched
    • REST (Representational State Transfer)unmatched
    • React.jsunmatched
    • Sensitive Compartmented Information (SCI)unmatched
    • Service-Oriented Architecture (fka Distributed Object Architecture)unmatched
    • Software Developmentunmatched
    • Source Code/Configuration Management (SCM)unmatched
    • Standup Meetingsunmatched
    • Systems Administration/Managementunmatched
    • Testingunmatched
    • Top Secret Clearanceunmatched
    • Unit Testunmatched
    • United States Department of Defense (DoD)unmatched
    • Virtualizationunmatched
    • Writing Skillsunmatched

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