Nallan Chakravarthula Raghunandan

Developed an intelligent enterprise search platform supporting semantic and structured search across multiple data sources. Built an LLM-based multi-intent search planner to route queries across semantic search, SQL lookup, and direct retrieval. Designed a NebulaGraph knowledge graph containing metadata and relationships across different sources, improving query accuracy by 65%.

Developed Zendesk automation that classifies tickets, answers support queries, drafts first responses, and analyzes historical cases. Built agents to perform ticket-level root cause analysis, convert closed tickets into a reusable knowledge base, surface trend insights, and export reporting outputs. Integrated Grafana and PlayerZero MCP context to improve support assistance.

Built a release management agent using structured release data, Jira and JQL context, Slack workflows, scheduled jobs, and notification routing. Implemented environment and product-feature filtering, change-management ticket analysis, reminders, escalations, on-demand reporting, and dynamic cron-job generation for proactive release updates.