Position Overview

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.

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.

Required Skills and Experience

• 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.

Preferred Skills and Experience

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

Clearance Requirements

U.S. Citizenship with the ability to obtain and maintain a DoD Secret clearance.

Work Location: Hybrid - 7700 Arlington Boulevard, Suite 5101, Falls Church, VA, 22042

• Our company prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.
• If the position is remote or hybrid, you may periodically work from a Pantheon Data office location or client site.
• If this position is assigned to a Pantheon Data office location or client site, you'll work with colleagues and clients in person, as needed for specific client requirements.

Compensation

The salary range for this position is $110,000 - $130,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Benefits Overview

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