Journeyman Software Developer

Leidos; St. Louis (MO); On-site; USD 85,000 - 154,000; Full time

Job summary

A leading company in IT Services is seeking a Journeyman Software Developer for their FS2 Aero team. This mid-senior level role involves modifying and integrating software solutions, utilizing AWS services and modern programming languages. Ideal candidates are proactive self-starters with a strong background in full stack development and cloud computing, ready to contribute to innovative software solutions in an agile environment.

Qualifications

• Requires BS degree and 4+ years relevant experience or Masters with 2+ years.
• Active Top Secret clearance required.
• Experience with React and modern JavaScript frameworks.

Responsibilities

• Modify existing code and integrate software solutions for the Aeronautical Navigation Office.
• Develop and deploy core services using AWS, including Lambda and EC2.
• Create and document new functionality within software version control repositories.

Skills

AWS services

C#

JavaScript

Python

Shell scripting

Unit testing

DevOps principles

Agile methodologies

GitLab

Education

BS degree

Masters

Tools

GitLab

Jira

Confluence

Job description

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Description

The Leidos FS2 Aero team has an opening for an experienced full stack software developer to modify existing code and integrate software solutions for the Aeronautical Navigation Office. The ideal candidate has an excellent understanding of software development concepts and exceptional coding skills across different tools and projects in support of the mission.

Description

The Leidos FS2 Aero team has an opening for an experienced full stack software developer to modify existing code and integrate software solutions for the Aeronautical Navigation Office. The ideal candidate has an excellent understanding of software development concepts and exceptional coding skills across different tools and projects in support of the mission.

Primary Responsibilities

• The applicant must possess deep 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, Shell scripting.
• 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

• Requires BS degree and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience.
• Must have an active Top Secret to be considered and ability to obtain TS/SCI clearance prior to start and willingness and ability to obtain a Polygraph
• Minimum 3 years of experience with REACT or modern JavaScript framework.
• Minimum 3 years of experience with Python, C# development framework
• At least 3 years of 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, Swashbuckle, REST API, Sass
• AWS Solutions, Developer, DevOps certification
• Team Collaboration tools (Jira, Confluence)
• Active TS/SCI with Polygraph
• DOD 8570 Compliant Certification (Sec+)
  
  

Original Posting

July 11, 2025

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 $85,150.00 - $153,925.00

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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Government Administration and IT Services and IT Consulting

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