Optimized load times and performance for a frontend supporting 1,200 students by migrating the student activity portal from Angular to React.
Increased engagement for 350+ daily active users by building RBAC login/signup and engineering interactive activity pages, delivering a smoother learning.
Reduced support requests and boosted usability by modularizing frontend components and integrating backend APIs for smoother data flow and an intuitive UI.
Systems Engineer (Client: PayPal)
Tata Consultancy Services
April 2021 - July 2023
Eliminated duplicate report deliveries and cut 2.5GB memory/batch by performing RCA using Splunk, Kibana, and CAL logs, adding checks across 4 Java/SpringBoot microservices, validating with JUnit/Mockito, and deploying via Jenkins (blue-green) for zero-downtime, safe rollback.
Saved 4+ hours/day and improved turnaround for 50M+ merchant reports/week by automating status checks in Python/Shell and triggering email notifications.
Restored reporting accuracy for 300+ merchant accounts and took end-to-end ownership of UDR report by leading RCA using logs, coordinating a cross-team war room, and driving upstream patches.
Mitigated a missed SLA incident by proposing a direct DB Preserved SLA for 7M+ active merchant reports by executing a controlled DB fix with rollback plan in 45 minutes, coordinated with SRE/Infra.
Revamped reliability across 20+ reporting workflows by maintaining and tuning production servers and release pipelines.
Prevented repeat incidents and increased system reliability by optimizing schedulers/pipelines and implementing 10+ automated alerts for delays and failures.
Full Stack Developer Intern
Tata Consultancy Services
Feb 2021 - Apr 2021
Achieved scalable storage for 50,000+ emissions records by designing a relational PostgreSQL schema and building RESTful APIs (Spring Boot), validating endpoints with Postman and adding server-side input validation
Facilitated real-time visualization for 20+ internal users by implementing Angular components (from Adobe XD) with service-layer data flows.
Let's build great products together !!!harsha0703.k@gmail.com