C# / .Net Developer

Synergyecp; Washington (District of Columbia); On-site; USD 125,000 - 155,000; Full time

Benefits offered by this job

Health benefits

Retirement benefits

Paid time off

Flexible work options

Job summary

Synergyecp seeks a C# / .NET Developer to design, develop, and maintain mission-critical web applications. The role requires collaboration with senior developers, strong problem-solving skills, and an active TS/SCI clearance.

The ideal candidate will have extensive experience with C#, ASP.NET, and SQL Server, and a Bachelor's degree in computer science or related fields. Competitive compensation starts at $125,000 with additional benefits.

Qualifications

• 8 years of software engineering experience with a Bachelor's degree.
• 3–5 years of experience in C# and .NET development.
• Experience with SQL and secure coding practices.

Responsibilities

• Develop, enhance, and maintain web applications and services.
• Modify application code to improve performance and functionality.
• Conduct unit and integration testing to validate functionality.

Skills

C# and .NET framework

ASP.NET

Entity Framework

SQL Server

Git/GitLab

Problem solving

Education

Bachelor's degree

Tools

Containerization tools (Docker)

Job description

C# / .NET Developer

NetServices (NSI), a subsidiary of Synergy ECP, seeks a C# / .NET Developer to develop, enhance, and maintain web applications and services that support mission‑critical operations.

Responsibilities

• Design, develop, test, and maintain application features using C#, ASP.NET, Entity Framework, and SQL Server.
• Modify and enhance existing application code to improve performance, functionality, and maintainability.
• Integrate third‑party components and APIs as needed.
• Participate in the full software development lifecycle, including planning, requirements analysis, implementation, testing, and deployment.
• Collaborate with senior developers and architects to implement technical designs and follow established patterns and standards.
• Write clean, scalable, and maintainable code aligned with best practices and team guidelines.
• Conduct unit and integration testing to validate functionality and ensure code quality.
• Troubleshoot and resolve technical issues, defects, and performance bottlenecks.
• Use Git/GitLab for source control, branching, and code collaboration.
• Support O & M tasks such as minor enhancements, bug fixes, and performance tuning.
• Participate in code reviews and apply feedback from senior engineers to improve technical proficiency.
• Assist with remediating code and package vulnerabilities identified through scans, with senior guidance.

Qualifications

• Bachelor’s degree and 8 years of software engineering experience.
• 3–5 years of professional experience developing software using C# and the .NET framework.
• Experience with ASP.NET, Entity Framework, and SQL Server.
• Familiarity with architectural patterns and API styles (REST, RPC).
• Experience writing and executing unit tests and performing integration testing.
• Understanding of secure coding practices and willingness to follow vulnerability remediation guidance.
• Ability to collaborate with cross‑functional teams and translate requirements into technical tasks.
• Strong problem‑solving skills and ability to work independently when implementing assigned tasks.

Bonus Points

• Experience with cloud platforms (AWS or Azure).
• Basic understanding of DevOps practices or exposure to CI/CD pipelines (GitLab preferred).
• Experience working with Object‑Relational Mappers (ORMs) such as Entity Framework.
• Knowledge of SQL or NoSQL database design principles.
• Experience with containerization tools (Docker).
• Familiarity with Agile/Scrum development processes.
• Relevant certifications in .NET development or cloud technologies.

Security Clearance Requirement

Must possess active TS/SCI clearance.

Other Requirements

U.S. Citizenship.

Compensation

Salary range starts at $125,000 and goes up to $155,000, with additional benefits including health, retirement, paid time off, and a comprehensive rewards package.

Benefits

We offer health and retirement benefits, paid time off, 10 paid holidays, flexible work options, professional development support, and a culture that values work/life balance.

EEO Statement

NSI/Synergy ECP is committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, qualifications, and business needs.