Senior Core Application SQL Developer

Contribute to the strategic direction of the business and support impactful mission outcomes as a TPA Core Services Senior SQL Developer at GDIT.

In this role, you will enable the success of one of the most critical federal healthcare missions and help ensure the stability, performance, and modernization of the data and application systems supporting the World Trade Center Health Program.

WHAT YOU'LL BE DOING:
As a TPA Core Services Senior SQL Developer, your work will directly support the mission of the World Trade Center Health Program (WTCHP). You will design, develop, optimize, and maintain core backend systems and data workflows that power Third Party Administrator (TPA) services—ensuring accurate eligibility processing, timely claims adjudication, effective provider management, and reliable member service operations.

• Lead SQL development, database design, and integration work across core TPA systems—ensuring solutions are stable, scalable, secure, and aligned with business and technical requirements.
• Collaborate with architects, business analysts, QA testers, operational SMEs, data engineers, and system vendors to enhance and validate backend functionality essential to healthcare delivery.
• Drive outcomes by resolving complex data and system challenges, optimizing database performance, supporting modernization initiatives, and contributing to cross-system interoperability during Transition In and steady state.
• Utilize SQL development, stored procedures, ETL/ELT tools, APIs, EDI frameworks, cloud data technologies, and DevSecOps practices to implement secure and compliant solutions for federal healthcare operations.

WHAT YOU’LL NEED TO SUCCEED:
Bring your initiative and technical excellence to GDIT. The TPA Core Services Senior SQL Developer must have:

• Technical training, certification(s), or degree
• 3+ years of related SQL/database development, backend software development, or system integration experience
• Strong proficiency with SQL, relational database design, stored procedures, performance tuning, ETL processes, and modern integration patterns; experience with APIs, EDI transactions, cloud data environments, Git, CI/CD pipelines, and monitoring platforms
• Security clearance level: MB(T2)
• Ability to work across technical and operational teams; familiarity with HIPAA, secure handling of PHI/PII, and federal security/compliance requirements; experience supporting complex system integrations
• up to 10% travel, as needed