Senior .NET Developer

Job

Location:

REMOTE WORK, VA, United States

Date Posted:
Dec 22, 2025

Category:
Software

Subcategory: SW Systems Engr

Schedule:

Full-time

Shift: Day Job

Travel:
No

Minimum

Clearance Required:

None

Clearance Level Must Be Able to Obtain:
Public Trust

Potential for Remote Work:
Remote

Benefits:

SAIC is searching for a motivated, career and customer‑oriented Senior Software Systems Engineer (.NET Developer) who performs high‑level, day‑to‑day development solutions to join our team and begin an exciting and challenging career. This is a 100% Remote role.

• Performs technical planning, high level and detailed requirements definition, test planning, and execution (to include use cases, test procedures, and test data), software systems integration, and technical support for software systems and subsystems.
• Total software system product may include concept design, test, installation, operation, maintenance, and disposal.
• Serve as an active member of the software development team participating in daily stand‑ups.
• Utilize full‑stack development expertise that ranges from development of .NET back‑end application using C#, unit testing, testing with Nunit, or other tools, and deployment using CI/CD pipelines.
• Ensure the performance, quality, and responsiveness of application.
• Provide development support, as needed, for solutions deployed to production.
• Implement long term solutions and building blocks within the agile framework for improved reusability.
• Interface with the stakeholders for project requirements.
• Apply and promote good software engineering practices such as test automation, modularization, and simplification.
• Collaborate, coordinate with colleagues on various solutions and problems.
• Document software designs, which may include design diagrams, data flow diagrams, software module descriptions, etc.
• Use Integrated Development Environment (IDE) tools to include Visual Studio, Azure Dev Ops and Git.

Required

Education:

• Bachelor’s or Master’s Degree in computer science, electronics engineering or other engineering or technical discipline is required with eight (8) years or more experience.
• Minimum of 8 years of experience in software development using .NET technologies.

Required Qualifications:

• Must be a U.S. Citizen with the ability to obtain and maintain a Public Trust clearance.
• Proven track record of working on complex software projects and leading development initiatives.
• Experience with designing, developing, and deploying enterprise‑level applications.
• Expertise in .NET framework and .NET Core, with a strong understanding of C#.
• Proficiency in developing back‑end applications using MVC and .NET Core.
• Strong knowledge of object‑oriented programming (OOP) and design patterns.
• Experience with RESTful services and APIs.
• Proficiency in database design and development, including working with SQL Server and Entity Framework.
• Familiarity with cloud platforms (e.g., Microsoft Azure, AWS) and services.
• Experience with version control systems (e.g., Git, TFS).
• Understanding of continuous integration/continuous deployment (CI/CD) practices and tools (e.g., AWS Code Pipeline, Code Build, Code Deploy).
• Knowledge of unit testing frameworks and tools (e.g., NUnit, xUnit, MSTest).
  
  - Proficiency in using development tools like Visual Studio and Visual Studio Code.
• Excellent problem‑solving and analytical skills.
• Strong communication and interpersonal abilities.
• Ability to work independently and as part of a team.
• Attention to detail and commitment to producing high‑quality software.
• Capable of mentoring and providing technical guidance to junior developers.
• Ability to prioritize tasks and manage time effectively.
• Experience with agile development methodologies (e.g., Scrum, Kanban).
• Familiarity with Dev Ops practices and infrastructure as code (IaC).
• Strong understanding of security best practices for web applications and APIs.
• Ability to conduct code reviews and provide constructive feedback.
• Experience with performance tuning and optimization of applications.
• Knowledge of microservices architecture and containerization technologies (e.g., Kubernetes, ECS, EKS) is a plus.
• Experience with third‑party libraries, SDKs, and APIs…