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Leidos
·
March 20, 2026
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Jr Full Stack Software Developer

United States
Full-time
Remote
$58K/yr - $105K/yr
New Grad, Entry Level
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. They are seeking a Junior Full-Stack Software Developer to help develop the CARES web application, focusing on modern web technologies and full-stack development.
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Responsibilities

  • Develop, enhance, and maintain web applications using C# and .NET Core (Web API)
  • Implement responsive frontend features using Angular and TypeScript
  • Write and maintain SQL queries and schema changes for relational databases (Postgres)
  • Implement unit and integration tests
  • Collaborate in Agile teams: participate in sprint planning, stand-ups, and retrospectives
  • Troubleshoot, debug, and resolve defects in development, QA, and other environments
  • Produce and maintain clear technical documentation
  • Follow secure coding practices

Qualification

Required

  • Bachelor's degree in Computer Science, Engineering, or related field
  • 0–3 years of professional software development experience
  • Proficiency in C# and experience with .NET (preferably .NET Core / .NET 6+)
  • Experience building single-page applications with Angular and TypeScript
  • Basic experience with relational databases (SQL Server / PostgreSQL / MySQL) and writing SQL
  • Familiarity with RESTful APIs, JSON, and web fundamentals (HTTP, XML)
  • Working knowledge of Git, Agile development practices, and CI/CD concepts
  • Strong communication skills and ability to work in a team
  • Must have the ability to obtain a Public Trust suitability

Preferred

  • Experience with Entity Framework Core and LINQ
  • Familiarity with ASP.NET Core Web API, middleware, and authentication (OAuth/OpenID Connect)
  • Experience with cloud platforms (AWS preferred)
  • Hands-on experience with CI/CD tools (Jenkins, Bitbucket Pipelines, GitHub Actions), and static analysis (SonarQube)
  • Containerization experience (Docker) and basic Kubernetes knowledge
  • Experience integrating AI services or using AI-assisted coding (e.g., GitHub Copilot) or implementing LLM/AI APIs in web applications
  • Familiarity with Microservice architecture patterns and distributed system fundamentals

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com
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