May 2021 – Jan 2025 · 3 yrs 8 mos · Chennai, Tamil Nadu, India

• Experienced Backend Engineer with 4 years of expertise in API development, performance optimization, and large-scale data migration. Designed and developed RESTful APIs for microservices, integrating with frontend applications via WebSockets to enhance real-time efficiency. Architected and optimized email migration systems using Google APIs and Microsoft Graph, reducing data transfer errors by 99%. Improved API response times by 90%, optimizing throughput.
• Implemented a ClickHouse-based observability framework with Grafana dashboards for proactive system monitoring. Developed Python automation tools to streamline Java patching, boosting developer productivity by 25%. Built CLI email administration tools using GoLang and the Cobra framework, improving IT efficiency.
• Led large-scale data migrations (10TB/day) for enterprise projects, ensuring minimal downtime. Used Arthas for Java debugging, enhancing system reliability. Mentoring, conducted peer code reviews, and collaborated with cross-functional teams.
• Skills:
• Languages: Java, C++, Go, Python
• Frameworks: Spring, Struts, Guice
• Tools: Git, Docker, Kubernetes, Redis, AWS, Linux OS
• Databases: ClickHouse OLAP, NoSQL, SQL
• Performance & Debugging: WebSockets, Arthas

Feb 2021 – Apr 2021 · 2 mos · Chennai, Tamil Nadu, India

• Day to day activities involve troubleshooting various issues in ITSM- ITIL Support Software.
• Handled SMBs and Mid Market Enterprises from various parts of the globes and assisted in troubleshooting a wide array of issues from SSO Configurations to Mailbox Setups.