Senior Software Developer

Pantheon Data • Falls Church, VA

14h • $110,000 - $130,000 • Hybrid

About The Position

Pantheon Data is seeking a Senior Software Developer with expertise in Microsoft C# and .NET frameworks to support the Defense Health Agency (DHA) in modernizing and migrating legacy applications to AWS GovCloud. The developer will play a key role in re-architecting mission-critical applications to improve scalability, security, and compliance within DHA's enterprise IT environment. This role requires deep technical proficiency, strong collaboration skills, and the ability to deliver cloud-ready solutions aligned with stringent federal standards.

Requirements

• Bachelor's degree in Computer Science , Information Systems, Business Administration, or a related field.
• Minimum of 8 years of experience in software development with a strong background in C# and .NET frameworks.
• Proven experience in migrating and re-architecting applications to AWS cloud environments.
• Familiarity with AWS services and cloud architecture best practices .
• Strong understanding of cloud computing concepts and AWS services.
• Experience working within federal environments, adhering to various security and compliance standards.
• Strong knowledge of DevOps principles and experience with Git and associated tools.
• Excellent problem-solving skills and ability to work independently or as part of a team.
• Effective communication and teamwork abilities.
• Ability to work effectively remotely in cross-functional teams.
• Ability to meet deadlines and produce quality work.
• Proficient in Microsoft Suite software including Outlook, Word, Excel, SharePoint, and PowerPoint.
• U.S. Citizenship with the ability to obtain and maintain a DoD Secret clearance.

Nice To Haves

• AWS certifications (e.g., AWS Certified Solutions Architect Associate) are a plus.

Responsibilities

• Analyze existing C# and .NET applications to document architectures, dependencies, and integration points.
• Lead the re-architecting and modernization of legacy .NET applications to ensure optimal performance and security in AWS GovCloud.
• Implement code changes and system modifications to meet DHA's compliance requirements, including HIPAA, FedRAMP, and DoD Impact Level (IL) standards.
• Collaborate with DevSecOps teams to integrate secure coding practices, CI/CD pipelines, Git repositories, and automated testing into migration workflows.
• Design and execute migration strategies for transitioning applications from on-premises to cloud-native AWS services.
• Modify, optimize , and refactor applications to leverage AWS services (e.g., EC2, S3, RDS, Lambda) for scalability and resiliency.
• Develop new cloud-native features and functionalities to enhance DHA's enterprise applications.
• Conduct unit, regression, and performance testing to validate applications in the DHA cloud environment.
• Ensure security, compliance, and auditability are embedded throughout the software development lifecycle.
• Communicate progress, risks, and technical challenges clearly to DHA stakeholders and leadership.
• Produce detailed documentation, migration playbooks, and best practices to support repeatable and scalable modernization efforts.

Benefits

• We are always looking for good people! Pantheon Data is committed to providing its employees with competitive salaries and benefits in order to increase employee satisfaction and productivity.
• In addition to our benefits, we also offer SmartBenefits through the Washington Metro Area Transportation Authority, where you specify an amount of your pre-tax wages be paid directly to your SmarTrip account.
• In some cases, tuition assistance may be available for continuing education expenses and certifications related to their position.
• Additional details may be found at https://pantheon-data.com/careers/

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level