Senior Full Stack Software Engineer

A client is seeking a Senior Software Engineer (Full Stack) to join their team in Alexandria, VA (hybrid This company is a non-profit leader in developing high-impact services and products in employment, military, student testing, and professional credentialing and licensure. This role will focus on modernizing enterprise applications and leveraging technologies such as C# .NET Core, ASP.NET, JavaScript/Type Script, AWS cloud services, and SQL.

The position requires five days on-site during a 90-day probationary period, then transitions to a hybrid schedule with up to two remote days per week.

This is an exciting opportunity to contribute to meaningful projects that directly impact education, workforce, and credentialing across the country. This non-profit works helps shape critical assessments and research used nationwide, offering you the chance to make a tangible difference while sharpening your technical expertise. As a Senior Full Stack Software Engineer, you’ll work in a collaborative environment with opportunities to expand your skills across modern web frameworks and cloud technologies.

With a culture that values professional growth, innovation, and work-life balance, this role is perfect for someone seeking both impact and career development.

• U.S. Citizen with ability to obtain a T3 Public Trust clearance
• Bachelor’s degree in Computer Science, Software Engineering, or related field
• 7+ years of experience in enterprise software development
• Strong proficiency in C# .NET Core and .NET Framework
• Proficiency with modern JavaScript/Type Script UI frameworks (Angular, React, Vue)
• Experience with HTML/CSS for responsive web design
• Experience with AWS services (Lambda, S3, RDS, Cloud Watch, etc.)
• Experience with SQL database design and optimization
• Experience with Git version control systems (Git Hub, Git Lab, Code Commit)
• Experience with Agile/Dev Ops methodologies and CI/CD pipelines
• Strong collaboration skills in matrixed environments
• Excellent problem-solving, communication, and analytical skills

• Experience with other cloud platforms beyond AWS
• Familiarity with professional testing/assessment industry tools or standards
• Advanced experience in performance optimization for large-scale enterprise systems

• 40% C# .NET Core / .NET Framework
• 25% JavaScript/Type Script (Angular, React, or Vue)
• 20% AWS Services
• 15% SQL & Database Design

• 70% Hands-On Development
• 15% Team Collaboration
• 15% Design, Review, and Optimization

• Bonus eligible

• Medical, Dental, and Vision Insurance
• Vacation Time
• Stock Options