Senior Full Stack C# .Net Developer

Job Title: Senior Full Stack C#/.Net Developer

Location: Alexandria, VA
Clearance: Active TS/SCI Required

Date: August 12, 2026

Position Overview

Object CTalk Inc. is seeking an experienced Full Stack C#/.Net Developer to support a mission-critical Department of Defense (DoD) customer.

This is a hands-on engineering role for a senior developer who can work directly with stakeholders, translate complex requirements into technical solutions, modernize and enhance existing applications, and deliver secure, scalable web applications using the latest Microsoft technologies.

Key Responsibilities

Work with stakeholders to understand and refine requirements into technical solutions.
Collaborate with cross-functional teams to define, design, and develop new features.

Design, code, test, and deploy scalable, intuitive, and responsive web applications.

Debug, troubleshoot, and refactor existing codebases to improve performance and scalability.

Develop and maintain full-stack solutions using C#, ASP.NET Core, RESTful APIs, web services, and SQL.

Required Qualifications

• Active TS/SCI clearance

10+ years of full-stack software development experience.

Expert-level C#, ASP.NET Core, .NET

Experience building RESTful APIs and web services.

Experience with one of the following: Blazor, React, Angular, Vue.js

Strong knowledge of SQL and database design.

Bachelor’s degree in Computer Science, Information Technology, or a related field.

Why Join Object CTalk?

At Object CTalk Inc., you'll have the opportunity to support mission-critical programs that strengthen U.S. Government operations. We value technical excellence, innovation, collaboration, and continuous professional growth while delivering high-quality solutions to our federal customers.

Apply Today

Interested candidates are encouraged to submit their resume for consideration.

Email: resumes@octalk.com

Equal Opportunity Employer
Object CTalk Inc. is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, age, disability, protected veteran status, or any other status protected by applicable law.