Full Stack Developer (Secret Clearance Required)
Apply NowCompany: Improvix Technologies
Location: Washington, DC 20011
Description:
Senior Full Stack Software Engineer (.NET & React)
Location: Washington, DC (Onsite)
Type: Full-Time
Clearance: Secret Clearance (Top Secret Eligible)
Overview
ExecTech is seeking a Senior Full Stack Software Engineer (.NET & React) to develop and enhance mission-critical applications for a federal client. This role requires expertise in .NET, C#, React, SQL Server, and Microsoft Azure to design and maintain scalable, secure, and high-performing enterprise applications.
As a key member of our team, you will contribute to frontend and backend development, API integrations, database optimization, and cloud-based solutions. The ideal candidate will thrive in an Agile development environment and have experience delivering high-impact software solutions for government or enterprise clients.
Responsibilities
Full Stack Development
Database & Backend Development
Frontend Development
Cloud & DevOps
Security & Compliance
Agile Development & Collaboration
Required Qualifications
Preferred Qualifications
Why Join Us?
Skills & Requirements Qualifications
At we understand the importance of secure and reliable IT solutions. To this end, our stellar track record highlights our consistent delivery of cost-effective, strongly-secure, and highly-integrated IT solutions that exceed customers' expectations and enhance the Government's technology landscape. We invite you to join our dynamic organization serving federal and corporate clients. Improvix Technologies offers competitive salaries and a comprehensive benefits package to provide our employees with financial and health protection and advantages they deserve. Our benefits include 401K matching, life insurance, up to four weeks of paid annual leave, transit and training compensation, health, dental and vision benefits.
Improvix Technologies, Inc.is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, sexual orientation, religion, age, national origin, disability status or any other class protected by law. U.S. Citizenship is required for most positions.
Location: Washington, DC (Onsite)
Type: Full-Time
Clearance: Secret Clearance (Top Secret Eligible)
Overview
ExecTech is seeking a Senior Full Stack Software Engineer (.NET & React) to develop and enhance mission-critical applications for a federal client. This role requires expertise in .NET, C#, React, SQL Server, and Microsoft Azure to design and maintain scalable, secure, and high-performing enterprise applications.
As a key member of our team, you will contribute to frontend and backend development, API integrations, database optimization, and cloud-based solutions. The ideal candidate will thrive in an Agile development environment and have experience delivering high-impact software solutions for government or enterprise clients.
Responsibilities
Full Stack Development
- Design, develop, and maintain web applications using .NET Core, C#, React, and TypeScript.
- Implement RESTful APIs, microservices, and backend logic using ASP.NET Web API.
- Develop reusable and scalable React components using modern JavaScript frameworks.
Database & Backend Development
- Work with SQL Server, design relational databases, optimize queries, and create stored procedures.
- Develop Entity Framework-based ORM solutions and optimize database interactions for performance.
Frontend Development
- Build dynamic, responsive, and high-performance React applications with TypeScript.
- Integrate UI components with backend services using React Hooks, Redux, and state management.
Cloud & DevOps
- Work with Microsoft Azure for cloud-based deployments, Azure Functions, and cloud storage.
- Assist with CI/CD pipelines using Azure DevOps, Git, and containerization technologies like Docker.
Security & Compliance
- Ensure applications meet federal security standards, including FISMA, FedRAMP, and NIST 800-53 compliance.
- Implement OAuth, OpenID Connect, and role-based access control (RBAC) for application security.
Agile Development & Collaboration
- Participate in Agile Scrum teams, contribute to sprint planning, and collaborate with UI/UX designers, business analysts, and DevOps engineers.
- Write technical documentation, system designs, and API specifications.
Required Qualifications
- 5+ years of experience in .NET development with C#, ASP.NET Core, and React.
- Expertise in building and maintaining React applications with TypeScript.
- Strong experience in SQL Server database design, queries, and performance tuning.
- Experience developing RESTful APIs and integrating with frontend applications.
- Familiarity with Azure cloud services, CI/CD pipelines, and containerization.
- Knowledge of authentication and security best practices for web applications.
- Strong problem-solving skills and ability to debug, optimize, and refactor complex applications.
- Excellent communication and collaboration skills in an Agile development environment.
Preferred Qualifications
- Experience developing applications for federal agencies or highly regulated industries.
- Familiarity with Azure Functions, Logic Apps, and Service Bus.
- Experience with federal cybersecurity policies and compliance frameworks.
- Background in migrating legacy .NET applications to modern React & cloud-based solutions.
Why Join Us?
- Work on high-impact federal projects that drive digital transformation.
- Collaborate with top engineers and cloud experts on modern, scalable applications.
- Gain hands-on experience with cutting-edge technologies, including Azure and microservices.
- Competitive compensation, full benefits, and career growth opportunities in a dynamic environment.
Skills & Requirements Qualifications
At we understand the importance of secure and reliable IT solutions. To this end, our stellar track record highlights our consistent delivery of cost-effective, strongly-secure, and highly-integrated IT solutions that exceed customers' expectations and enhance the Government's technology landscape. We invite you to join our dynamic organization serving federal and corporate clients. Improvix Technologies offers competitive salaries and a comprehensive benefits package to provide our employees with financial and health protection and advantages they deserve. Our benefits include 401K matching, life insurance, up to four weeks of paid annual leave, transit and training compensation, health, dental and vision benefits.
Improvix Technologies, Inc.is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, sexual orientation, religion, age, national origin, disability status or any other class protected by law. U.S. Citizenship is required for most positions.