Masood Muhammad

About Masood Muhammad

As a Software Engineer, I specialize in Java EE, Helidon MP, and Microservices…

Experience

1. Full Stack Java Developer Microservices Genai

   Oracle

   Jul 2022 — Present · Hyderabad, IN

   Automated Excel-based bulk rate import/export using Apache POI, reducing manual entry by 80% and improving accuracy. Implemented and validated Liquibase rollback capabilities, reducing recovery time during database upgrade failures by over 90% and minimizing production downtime. Replaced the Janino compiler with an in-house Java class compiler using the JavaCompiler API to compile runtime-generated code, reducing external dependencies and improving compilation throughput by 25%. Upgraded third-party Maven dependencies in PLS process, strengthening security, compatibility, and maintainability. Migrated communication protocols from HTTP to HTTPS in Helidon services, closing 100% of transport-layer vulnerabilities flagged in security audits and improving secure communication practices. Developed a Helidon MP-based Archival microservice, increasing data retrieval efficiency by 40% and improving system scalability and modularization. Resolved 120+ defects across UI, backend, and service layers, improving application reliability, ensuring alignment with design standards, and enhancing overall system performance. Engineered a PATCH API at the service layer to enable partial updates of data models, reducing unnecessary data processing and cutting request payload size by over 60%. Collaborated with cross-functional teams in an Agile environment to design, develop, and deliver API modules, enhancing communication reliability and ensuring timely delivery through iterative sprint cycles. Led testing for Archival and ODS features, executing 500+ cases, reducing defects.