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Sr. .NET Full Stack Developer Security Clearance

Job in Washington, District of Columbia, 20001, USA
Listing for: Applied Information Sciences
Full Time position
Listed on 2026-02-23
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer
Job Description & How to Apply Below
Position: Sr. .NET Full Stack Developer with Security Clearance
Why AIS? When you join AIS, you're joining a mission-driven team that's passionate about making a difference. You'll work on projects that matter, alongside industry-leading experts, in an environment that fosters innovation, driving client success, and empowering our team to make a lasting impact. As an employee-owned company, we value collaboration, inclusivity, continuous growth, and shared success.
* Employee Ownership:
Your contributions directly impact the company's success, and you share in its achievements.

* Continuous Learning:
Access to resources, training, and mentorship to support your professional growth.

* Inclusive Culture: A workplace where diversity is celebrated, and everyone's voice is valued.

* Mission-Driven Work:
Engage in projects that make a meaningful difference for our clients and communities. What are we looking for? At AIS, we're looking for more than just skills - we're looking for driven individuals who are passionate about making a difference, eager to grow, and aligned with our core principles. Working@AIS
At AIS, we are dedicated to providing our employees with diverse opportunities to grow their careers while supporting a variety of impactful projects. For this position, we are seeking a talented individual to join AIS as a Lead Software Engineer.
* Core Knowledge &

Skills:

Operates independently or as a team lead, selects appropriate persistence technologies (e.g., EF, Dapper), defines source control strategies, and designs subsystem infrastructure.

* Work & Complexity:
Tackles complex problems with thorough analysis, manages cross-functional delivery, and improves system reliability and scalability.

* Quality & Independence:
Consistently meets deadlines even under challenging conditions, enforces standards through detailed reviews, and establishes productivity benchmarks for the team.

* Teamwork & Communication:
Provides functional leadership by setting objectives, organizing resources, resolving conflicts, and engaging confidently with both internal and external stakeholders.

* Consulting & Engagement:
Troubleshoots advanced client issues, supports requirements gathering, and contributes to vendor presentations or proposal activities. As your initial project assignment, you will support the unique needs of our client as a Sr. .NET Full Stack Developer. Project Summary We are seeking a Senior .NET Full Stack Developer to support the design, development, testing, and enhancement of enterprise applications that enable key IT infrastructure capabilities.

This role includes integrating third-party components, delivering new custom functionality, improving existing .NET codebases, and automating operational workflows. The developer will work closely with lead architects to build and deploy applications that support large-scale data processing and advanced analytics. An active Top Secret clearance is required for this position.

Key Responsibilities
* Design, develop, test, and manage .NET application development projects supporting IT infrastructure.

* Programmatically integrate third-party components into .NET applications and introduce new custom features.

* Modify and optimize existing C#/ASP.NET code to improve performance, maintainability, and functionality.

* Drive automation of operations and maintenance workflows using .NET, scripts, APIs, and supporting tools.

* Develop and implement application solutions under the direction of lead architects using .NET technologies.

* Support application features involving large-scale data processing, analytics, or computational workloads.

* Participate in all phases of the SDLC, including planning, requirements analysis, development, testing, and quality assurance.

* Conduct milestone reviews, architecture discussions, code reviews, resource estimation, and best-practice knowledge transfer. Required For This Opportunity
* Active Top Secret clearance.

* Bachelor's degree and a minimum of 8 years of full stack .NET software development experience. 4 additional years of experience will be considered in lieu of a degree.

* Strong proficiency with ASP.NET / .NET (C#), RESTful APIs, and MVC design patterns.

* Experience with SQL Server…
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