Full Stack Software Engineer (.NET / React / PostgreSQL)
Koniag Government ServicesRole Overview
Koniag Government Services is hiring a mid-level Full Stack Software Engineer (.NET / React / PostgreSQL). This is a full-time role in Washington. Part of Koniag Government Services's Backend hiring, posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
Koniag IT Systems, LLC, a Koniag Government Services company, is seeking experienced Full Stack Software Engineer (.NET / React / PostgreSQL) with a TS/SCI security clearance to support KITS and our government customer in Washington, DC.
The selected candidates will join an Agile development team responsible for modernizing mission-critical federal applications supporting records management, document review, FOIA workflows, case management, and electronic records processing. The team is developing a modern enterprise platform utilizing React, .NET and PostgreSQL stack.
This is an opportunity to work on a high-visibility federal modernization effort and help replace legacy systems with scalable, modern architecture.
Essential Functions, Responsibilities & Duties may include, but are not limited to:
- Design, develop, test, and maintain enterprise web applications using React and .NET
- Develop RESTful APIs and backend services
- Design and implement PostgreSQL database structures, queries, and data access layers
- Participate in Agile ceremonies including sprint planning, daily standups, backlog grooming, and retrospectives
- Collaborate with Business Analysts, Product Owners, Architects, Test Engineers, and DevSecOps personnel
- Develop and maintain automated unit, integration, and regression tests
- Support CI/CD pipeline implementation and deployment automation
- Participate in code reviews and contribute to software quality initiatives
- Troubleshoot and resolve software defects and performance issues
- Create technical documentation and support system demonstrations
Required Qualifications
- Bachelor's degree in Computer Science, Information Systems, Engineering, or related field or equivalent experience with High School Diploma
- 6+ years of software development experience
- Strong experience developing applications using C# and .NET
- Strong experience developing modern user interfaces using React
- Experience with PostgreSQL, Oracle or other enterprise relational databases
- Experience developing REST APIs and service-oriented architectures
- Experience using Git and modern source control practices
- Experience working within Agile/Scrum teams
- Strong written and verbal communication skills
- Active TS/SCI clearance required
- U.S. Citizenship required
Preferred Qualifications
- Experience supporting federal government customers
- Experience with Oracle Database
- Experience with CI/CD tools and DevSecOps practices
- Experience implementing role-based security models
- Experience with enterprise workflow or case management systems
- Experience with document management, records management, FOIA, or related business processes
Clearance Requirement
- Existing TS/SC clearance
Desired Technical Skills
- React
- TypeScript
- C#
- .NET 8+
- PostgreSQL
- REST APIs
- GitHub
- GitHub Actions
- Docker
- Agile / Scrum
- Automated Testing
- DevSecOps
Our Equal Employment Opportunity Policy
The company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race, color, religion, creed, ethnicity, sex, sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), national origin or ancestry, age, disability, citizenship, military/veteran status, marital status, genetic information or any other characteristic protected by applicable federal, state, or local law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.
The company is dedicated to seeking all qualified applicants. If you require an accommodation to navigate or apply for a position on our website, please get in touch with Heaven Wood via e-mail at accommodations@koniag-gs.com or by calling 703-488-9377 to request accommodations.
Koniag Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions, Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag, we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical, professional, and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers, employees, and native communities. For more information, please visit www.koniag-gs.com.
Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352
Frequently Asked Questions
How do I apply for the Full Stack Software Engineer (.NET / React / PostgreSQL) position at Koniag Government Services?
Use the Apply button above to submit your application directly to Koniag Government Services. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Full Stack Software Engineer (.NET / React / PostgreSQL) position at Koniag Government Services located?
This position is based in Washington. Koniag Government Services has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Full Stack Software Engineer (.NET / React / PostgreSQL) at Koniag Government Services earn?
Koniag Government Services has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Full Stack Software Engineer (.NET / React / PostgreSQL) role at Koniag Government Services posted?
This role was posted on June 16, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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