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Senior Developer

Job in Winchester, Frederick County, Virginia, 22603, USA
Listing for: Koniag Information Security Services, LLC
Full Time position
Listed on 2026-02-11
Job specializations:
  • Software Development
    Full Stack Developer
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

Posted Monday, February 9, 2026 at 5:00 AM

Arlluk Technology Solutions, LLC, a Koniag Government Services company, is seeking a Senior Developer with a Top Secret security clearance to support ATS and our government customer in Winchester VA. This is a hybrid position, 1 day required onsite.
We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more.

This position is for a senior level developer to support the FBI’s Information Management Division by applying information technology solutions to their business processes. This candidate will be responsible for development and maintenance of web applications and services. Responsibilities could include all aspects of the software development life cycle including requirements analysis, design, development, testing, integration, and deployment. This position is in a team environment and involves collaboration with and supporting other team members.

Essential

Functions, Responsibilities & Duties may include, but are not limited to:
  • Design and Develop web application functionality using C#.
  • Develops and maintains web services using WCF, REST, and JSON.
  • Design and develop applications using agile development and SCRUM processes.
  • Adhere to good development practices: documentation, code standards, code/design reviews, optimization and maintainability.
  • Must be analytical, detail oriented and able to translate functional requirements into web-based solutions (i.e., web applications) using advanced technologies.
  • Conduct automated unit and integration tests of product functionality following established testing processes or procedures.
  • Research problems discovered by QA or product support and provide acceptable problem resolution.
  • Research and identify new technologies and developmental tools.
  • Perform other duties as assigned
Requirements Education
  • Bachelor's degree or higher in computer science, similar degree, or significant software engineering experience (10+ years)
Work Experience, Knowledge, Skills & Abilities
  • Proficient in Object Oriented Design and Development.
  • Experience with .NET 3.5, 4.0, or 4.5 framework.
  • Proficient in abstraction, advanced techniques, best practices, and design patterns.
  • Strong problem solving and analysis skills, self-motivated, and able to work and communicate in a team environment.
  • Able to communicate fluently in English.
Security Clearance
  • Top Secret security clearance
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  or by calling  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  .

Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352#J-18808-Ljbffr
Position Requirements
10+ Years work experience
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