Develop, maintain, and enhance CORE platform components and internal backend services. Shape architectural decisions, contribute to system simplification and modernization. Build secure, reliable, high-performance backend solutions. Work closely with DevOps to improve CI/CD, observability, deployment workflows, and system reliability. Support and elevate security initiatives, including authentication/authorization approaches (RBAC/ABAC). Participate in code reviews, design discussions, and incident resolution. Collaborate with cross-functional teams to enable new product capabilities built on top of the CORE platform.