Technical Lead Solution Architect

A-TEK is seeking a Technical Lead / Solution Architect to guide application development and modernization for an NIH customer. The team will continue supporting production systems while migrating approved capabilities from a .NET and Oracle environment toward React, Python, and PostgreSQL. The Technical Lead will turn that transition plan into working designs, coordinated releases, and reliable operations. This position is on-site at the client location in Rockville, MD. 

• →Lead technical design and implementation for assigned NIGMS applications, APIs, and integrations.
• →Guide development of React and TypeScript front ends, Python and FastAPI services, and PostgreSQL data capabilities within the Government-approved architecture.
• →Plan phased migration from legacy .NET and Oracle components. Define coexistence, data reconciliation, cutover, rollback, stabilization, and retirement criteria for each release.
• →Establish practical standards for code review, API contracts, automated testing, accessibility, security, documentation, and operational handoff.
• →Coordinate technical dependencies with the NIGMS DevSecOps organization, cloud and platform teams, security staff, system owners, and other contractors. Maintain clear ownership of decisions and interfaces.
• →Support production issue resolution and corrective maintenance while protecting capacity for modernization work.
• →Review architecture and release evidence, identify technical risks early, and explain options and tradeoffs to Government stakeholders.
• →Help validate undocumented business rules and application flows with users and subject matter experts.
• →Evaluate approved automation methods for generating draft design, test, or HHS Enterprise Performance Life Cycle documentation from code and delivery records. Ensure qualified staff review all resulting artifacts.

• Experience with React, FastAPI, GraphQL federation, Amazon EKS, and Oracle-to-PostgreSQL migration.
• Experience supporting NIH, HHS, or comparable federal health information systems.
• Familiarity with HHS Enterprise Performance Life Cycle documentation, federal security authorization processes, and Section 508 accessibility requirements.
• AWSDevOps Engineer Professional, or another relevant advanced AWS certification.
• Experience using automated analysis or AI-assisted tools to prepare draft technical documentation and test assets, with appropriate data controls and human review.

• Demonstrated experience leading the design and delivery of enterprise applications through a phased modernization.
• Hands-on expertise with Python services and modern JavaScript or TypeScript front-end development.
• Experience designing APIs and integrating applications with identity, data, and enterprise services.
• Experience with relational database design and migration, including PostgreSQL and legacy database environments.
• Experience deploying and supporting applications in AWS using containers, CI/CD pipelines, infrastructure as code, monitoring, and secure development practices.
• Ability to lead developers, review technical work, resolve cross-team dependencies, and communicate clearly with program and technical stakeholders.
• Experience maintaining production service while delivering substantial application changes.
• Ability to meet applicable NIH suitability and system-access requirements.