• Architected and implemented daily class session jobs using JobRunr in Spring Boot to process and update every user’s session in real time, ensuring data accuracy across large-scale operations.• Led the development of a Tech Disruption Alert System, providing real-time monitoring for live classroom sessions, resulting in immediate identification and resolution of issues, improving session continuity.• Mitigated security vulnerabilities (Path Traversal, Clickjacking), significantly enhancing platform security and reducing exposure to potential attacks.• Optimized legacy database interactions, reducing response times by 30%, improving system scalability, and eliminating redundant processes to reduce overhead.• Designed and delivered both High-Level (HLD) and Low-Level Designs (LLD) for critical features, improving the clarity of system architecture and enabling seamless collaboration across teams.• Integrated Apache Guacamole Server to enable teachers to securely access browser-based tools, enhancing instructional flexibility.• Led the External LMS Setup project, managing the end-to-end development lifecycle from design to deployment, including continuous integration and delivery through Azure DevOps.• Strengthened user authentication by integrating Azure B2C Object IDs, fortifying backend security for critical operations.• Continuously enhanced legacy code by conducting thorough performance assessments, refactoring critical modules, and improving system reliability and scalability.

• Led the development of Paytm’s Lending LMS, focusing on mission-critical systems like transaction settlement and loan cancellation, directly improving transaction success rates.• Integrated Java Spring Boot microservices, decoupling monolithic components and improving system modularity, resulting in a 20% performance boost.• Implemented advanced monitoring strategies using Kibana and Grafana, reducing production issue detection times by 40%.• Developed debugging APIs for business-critical loan scenarios, enabling rapid problem identification and quick resolutions, ensuring minimal business disruption.• Documented and standardized APIs in Confluence, improving knowledge transfer across teams and accelerating onboarding for new engineers.

• Designed high-performance modules for the LMS, optimizing system response times and successfully handling large-scale transaction loads.• Transitioned LMS modules to a microservices-based architecture, enhancing the system’s scalability and adaptability to evolving business requirements.• Refined PostgreSQL queries to improve database performance by 25%, reducing query latency and ensuring compliance with client-specific performance standards.• Led performance tuning and troubleshooting for critical client environments, resolving system bottlenecks and improving overall reliability.

• Contributed to the full SDLC for LMS modules, delivering high-quality, performant code in a fast-paced, deadline-driven environment.• Refactored legacy code using SonarQube, improving code maintainability, reducing technical debt, and enhancing system performance by 15%.• Resolved critical production issues through effective Root Cause Analysis (RCA), ensuring quick recovery and uninterrupted service to clients.• Delivered monthly service pack updates, ensuring zero downtime and smooth user experiences by rigorously testing and validating changes.