Sainikhilreddy Pendayala

Experience

1. Senior Java Full Stack Developer

   General Motors

   Jul 2025 — Present · Austin, TX, US

   Architect and develop backend services in Java 17/21 and Spring Boot 3.x to process complex automotive electrical system data at scale.Designed a high-performance data transformation engine using PostgreSQL + JPA/Hibernate with advanced caching, batching, and query optimization.Built secure, scalable REST APIs delivering diagnostic insights and circuit-layout data to UI and external partners.Implemented a graph-generation pipeline using the Eclipse Layout Kernel (ELK) to convert wiring models into visual diagrams and produce high-quality SVG output.Successfully upgraded major platform components from Java 17 → Java 21 and Spring Boot 3.4.3 → 3.5.3, resolving compatibility issues and improving performance.Developed application-level OAuth2 + Spring Security integrations, enabling secure access for external clients with token-based authentication and RBAC.Performed JVM and application-level performance tuning using profiling tools (JFR, heap/GC analysis) to significantly improve latency and throughput.Enhanced test reliability with extensive JUnit, Mockito, and integration testing coverage.Improved DevOps workflows with GitHub Actions CI/CD, automated builds, code quality enforcement, and deployment optimization.Collaborate across product, UI, DevOps, and architecture teams while mentoring junior developers and driving engineering best practices.

Education

• University of Maryland Baltimore County

  Master of Science - MS, Computer Science

• Lovely Professional University

  Bachelor's degree, Computer Science