Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Developer

$69.55k - $125.73k

Leidos

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Software Developer in Earth City, MO vacancy
  • $116.81k - $157.7k

     ...SummaryLeonardo DRS Land Systems is seeking a Full Time Senior Embedded Software Engineer. This position is based out of our Bridgeton, MO...  ...Software Engineer provides technical and analytical work to develop, design, and/or support software solutions across multiple U.S.... 
    Suggested
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    Leonardo DRS

    Bridgeton, MO
    4 days ago
  • $133.37k - $156.9k

     ...guidelines and implementation patterns, identify emerging risks, develop mitigation plans, influence senior leaders toward simplified...  ..., or enterprise security platform engineering solutions.Strong software engineering skills with Python, API development/integration, and... 
    Suggested
    Full time
    Local area
    3 days per week

    US Bank

    Earth City, MO
    4 days ago
  • $133.37k - $156.9k

    At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life,...
    Suggested
    Full time
    Local area
    3 days per week

    US Bank

    Earth City, MO
    1 day ago
  • Principal Software Engineer - Developer, Phantom WorksCompany:The Boeing CompanyThe Boeing Company is currently seeking a Principal Software Engineer / Developer (Level 5) to support our Phantom Works Software Engineering team located in Berkeley, MO (St. Louis area). This... 
    Suggested
    Permanent employment
    Full time
    Work experience placement
    For subcontractor
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing

    Saint Charles, MO
    1 day ago
  • $130.83k - $176.62k

     ...SummaryLeonardo DRS Land Systems is seeking a full time Manager, Software Engineer that will be responsible for supervising a team of...  ...hybrid schedule. The software engineers are responsible to design, develop, analyze, document and support testing of products, systems, or... 
    Suggested
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    Leonardo DRS

    Bridgeton, MO
    4 days ago
  • $126.65k - $171.35k

    Software Developer, Phantom Works (Experienced or Senior) Company: The Boeing Company The Boeing Company is seeking a Software Developer / Engineer (Experienced or Senior) to join the Phantom Works Weapons team in St. Charles, MO (St. Louis Area). This teamsupports... 
    Permanent employment
    Work experience placement
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Saint Charles, MO
    2 days ago
  •  ...under senior staff guidance, with focus on Industrial, Process Technology, and Metallurgical markets. The role provides training to develop toward a full Application Engineer position, involving data gathering, CAD tool usage (AutoCAD/Inventor), and cross-functional... 

    LECHLER

    Saint Charles, MO
    13 hours ago
  • $100k - $140k

    Senior EngineerMust Have Technical/Functional SkillsDemonstrated experience training, fine-tuning, and deploying machine learning models.Demonstrated experience generating and managing camera and LiDAR sensor datasets for perception or machine learning applications.Experience...

    Tata Consultancy Services

    Bridgeton, MO
    3 days ago
  •  ...independently executes key elements of projects/processes within the Software Engineering area by applying in-depth knowledge of their...  ...quality standards and best practices.Assists in designing, developing, and delivering software solutions that align with business needs... 
    Work experience placement

    ICONMA

    O Fallon, MO
    4 days ago
  • Cherry Bekaert LLP is seeking a Lead Hardware Engineer — Electrical/Mechanical (ADAS) for a remote role with quarterly travel. The candidate will own electrical architecture, specify embedded controls, and guide mechanical design for enclosures and fixtures in a fast-moving...
    Remote job

    Cherry Bekaert LLP

    Bridgeton, MO
    3 days ago
  •  ...{ } Java DeveloperJob OverviewWe are seeking multiple Java Developers to support the continued development and enhancement of enterprise...  ...with cross-functional teams to deliver scalable and reliable software solutionsParticipate in code reviews and contribute to... 
    Temporary work

    TalentsBridge

    Maryland Heights, MO
    5 days ago
  • $98.18k - $115.5k

     ...design, testing, development, and maintenance of best-in-class software experiences. The candidate is a self-motivated individual who...  ...Android mobile platforms. The ideal candidate has experience developing mobile platform capabilities, backend-integrated mobile solutions... 
    Full time
    Local area
    3 days per week

    US Bank

    Earth City, MO
    1 day ago
  • $136.85k - $185.15k

     ...system architecture development across program IPTs. This role involves collaborating with the Integrated Product Teams to define and develop the product's system architecture from initial design through product verification, including managing requirements, interfaces,... 
    Permanent employment
    Work experience placement
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours

    Hackajob

    Hazelwood, MO
    3 days ago
  • $136.85k - $185.15k

     ...system architecture development across program IPTs. This role involves collaborating with the Integrated Product Teams to define and develop the product’s system architecture from initial design through product verification, including managing requirements, interfaces,... 
    Permanent employment
    Work experience placement
    Immediate start
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    Archer

    Hazelwood, MO
    1 day ago
  • $112.2k - $151.8k

     ...modernization in support of mission-critical engineering and software development environments. You will help maintain and modernize...  .... In this role, you will work closely with software developers, mission systems engineers, and other technical stakeholders to... 
    Permanent employment
    Work experience placement
    Interim role
    Local area
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    28 minutes ago
  • $140k - $231k

     ...governments realize their greatest potential. Title and Summary Lead Software Engineer (Architect) Mastercard powers economies and empowers...  ...and data-structure principles to distributed systems. Develop reusable components, frameworks and engineering patterns.... 
    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    8 days ago
  •  ...comDescriptionAs a member of the R&D organization responsible for creating software for the development of innovative in vitro diagnostic solutions...  ..., enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The Senior... 

    Planet Pharma

    Hazelwood, MO
    5 days ago
  •  ...Design, develop, deploy, and maintain enterprise applications, database solutions, CI/CD pipelines, automated tests, and AI-powered tools for client onboarding and operational workflows. Provide real-time production triage and print-facility support, document and review... 

    Optum

    Bridgeton, MO
    6 hours ago
  •  ...Software Engineer IIJob#: 3046571Job Description:Software Engineer IILocation: Bridgeton, Missouri (Onsite)Role OverviewWe are seeking...  ...critical system migration initiatives.Key ResponsibilitiesDesign and develop desktop applications, microservices, and RESTful APIs.Work... 

    Apex Systems

    Bridgeton, MO
    2 days ago
  •  ...Overview Decision Point Corporation is looking for an Intermediate Software Developer to join our team supporting the Transportation Geospatial Information System (TGIS) at Scott AFB, IL. This position is on a hybrid telecommute model with onsite work at Scott AFB. Duties... 
    For contractors
    Local area
    Remote work

    Decision Point

    O Fallon, MO
    6 hours ago
  •  ...development. This approach not only supports individual growth, but also strengthens our collective expertise. Position: Software Developer (Junior) Location: 12115 Lackland Rd. Maryland Heights, MO Remote Status: Hybrid Job Id: 672 # of Openings: 2... 
    Full time
    Contract work
    Temporary work
    Local area
    Immediate start
    Remote work
    Flexible hours
    Shift work

    UNCOMN

    Maryland Heights, MO
    5 days ago
  • $142.8k - $193.2k

     ...architecture, data and information management systems and components Develop migration strategies and approaches to move existing...  ...technical discussions with stakeholders through all phases of the software development lifecycle Develop and enhance our DevSecOps... 
    Permanent employment
    Work experience placement
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    28 minutes ago
  • $136.85k - $185.15k

     ...minimizing life cycle costs of Boeing products with low observable design features. Analyze customer and system requirements to develop architectural approaches and detailed specifications for various products. Develop high-level and detailed designs consistent with... 
    Permanent employment
    Work experience placement
    Relocation
    Visa sponsorship
    Work visa
    Flexible hours
    Shift work
    Day shift

    The Boeing Company

    Berkeley, MO
    6 hours ago
  • $63 - $90 per hour

     ...Partners is currently seeking a talented Senior .NET Full-Stack Developer.Do you have experience building large-scale distributed...  ...a reality!What You Will Be Doing:Responsible for the complete Software Development Lifecycle: analysis, development, testing, and deployment... 

    Technology Partners

    Chesterfield, MO
    5 days ago
  • $94.35k - $127.65k

    Data Fusion Systems Software Engineer/Analyst (Associate, Experienced or Senior) Company: The Boeing Company The Boeing Company...  ...Software Engineers. The Network Centric Operations Team designs, develops, and implements platform-agnostic software capabilities that... 
    Permanent employment
    Contract work
    Work experience placement
    Interim role
    Currently hiring
    Relocation
    Visa sponsorship
    Work visa
    Relocation package
    Flexible hours
    Shift work

    Boeing Company

    Berkeley, MO
    3 days ago
  •  ...healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient...  ...support our developers during the application build phase in software run principals that includes operational design, automation, capacity... 
    Worldwide

    MasterCard

    O Fallon, MO
    3 days ago
  •  ...the future of digital experiences for millions as a Principal Software Engineer I at Spectrum, where you will drive the modernization...  ...development tools such as Kiro, Claude, GitHub Copilot, Amazon Q Developer, or similar technologies to improve engineering productivity... 
    Work at office
    Local area
    Work from home
    Visa sponsorship
    1 day per week

    Spectrum Charter

    Maryland Heights, MO
    2 days ago
  •  ...within the Automated Material Handling industry to customers. They develop strong relationships with the industrial and distribution...  ...viastore under one brand to deliver scalable systems, intelligent software and life-cycle services.In addition to exciting work at a... 
    Work experience placement
    Night shift

    Toyota Automated Logistics

    Maryland Heights, MO
    2 days ago
  • $152k - $258k

     ...solving. This role focuses on analyzing, coding, and delivering software and platform solutions. Operations Automation program supports...  ...automate provisioning across cloud and on prem environments. Develop reusable modules, playbooks, and automation libraries that... 
    Full time
    Part time
    Immediate start
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    8 days ago
  • $98.18k - $115.5k

     ...design, testing, development and maintenance of best in class software experiences. The candidate is a self-motivated individual who...  ...legacy enterprise web applications in ASP.NET4.8 while actively developing new features and microservices in .NET 9.-Database & Data... 
    Full time
    Work experience placement
    Local area
    3 days per week

    US Bank

    Earth City, MO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Developer. Be the first to apply!