Jr Full Stack Software Developer
About The Position
The Leidos Digital Modernization NISC IV team is looking to hire a Junior Full-Stack Software Developer, with a strong background in modern web technologies and full-stack development, to help develop the CARES web application. The ideal candidate will be experienced in building responsive front-end applications (Angular, TypeScript) and scalable back-end services (C#, .NET Core). Preferred candidates will have experience applying AI-assisted development tools (GitHub Copilot, Claude Code) and bring experience developing or integrating AI into web-based applications. Applicant must have the ability to obtain a Public Trust Security Clearance Suitability (To be eligible for Public Trust Security Clearance, one must be either a U.S. Citizen OR a U.S. Permanent Resident/Green Card holder who has resided in the U.S.A for the past 3 years.) All new hires must pass a drug test prior to starting with Leidos.
Requirements
- 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.
Nice To Haves
- 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.
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.
Benefits
- Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
Number of Employees
5,001-10,000 employees
