.NET Developer

120k-130k/year

DoD - Child and Youth Programs Project

Remote - Occasional onsite client meeting in DC

DoD Public Trust

Marathon TS is looking for a .NET Developer to support our Department of Defense (DoD) Child and Youth Programs (CYP) project

What you'll be doing:

Manage and support daily development work for one or more project teams by:

1. Designing, developing, and maintaining RESTful APIs using .NET 8 and C#.
2. Implementing clean, maintainable, and scalable code following Clean Code Architecture principles.
3. Creating and maintaining data access layers using Entity Framework and LINQ.
4. Writing unit and integration tests using xUnit to ensure application quality.
5. Developing and optimizing SQL Server queries, stored procedures, and schema changes.
6. Supporting dynamic document generation and reporting features.
7. Using GitHub for version control, branching, and pull requests.
8. Collaborating with QA, DevOps, and Product teams during sprint planning, backlog grooming, and code reviews.
9. Participating in root-cause analysis, bug fixes, and performance improvements.
10. Following Agile development practices and contributing to sprint deliverables.

What you must have:

1. 3+ years of professional experience with .NET (preferably .NET 6/7/8) and C# development.
2. 2+ years of experience developing and maintaining REST APIs.
3. 2+ years of experience with SQL Server, including stored procedures and query optimization.
4. Hands-on experience with Entity Framework Core and LINQ.
5. Experience writing and maintaining automated tests with xUnit or similar frameworks.
6. Experience using GitHub or similar tools for version control and collaboration.
7. Must be able to obtain and maintain a Public Trust.
8. MUST RESIDE in the United States (U.S.), and the work MUST BE PERFORMED in the United States (U.S.), as this work is for a federal contract and laws do apply.

What we would like you to have:

1. Bachelor's degree in Computer Science, Information Systems, Engineering, or related technical field.
2. Knowledge of Clean Code Architecture and SOLID principles.
3. Experience with dynamic document generation (e.g., PDF or Word automation).
4. Familiarity with Agile/Scrum environments.
5. Strong problem-solving, debugging, and time-management skills.
6. Excellent attention to detail and ability to deliver high-quality code.
7. Ability to work independently as well as part of a cross-functional team.

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").

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