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Vignesh Chowdary Pamulapati
Junior Full-Stack Software Engineer specializing in Node.js, React, and REST APIs
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About
Full-stack engineer who shipped and owned a production Document Chat feature built with Next.js App Router/TypeScript and a Node/Express RAG backend, including JWT-secured route handlers and streaming responses. Demonstrated strong post-launch ownership by improving latency (~30%) via MongoDB indexing/query optimization and reducing AI costs through caching, backed by profiling with React Profiler and Chrome DevTools.
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Key Strengths
- Shipped end-to-end Document Chat feature in production with Next.js App Router + TypeScript and Node/Express RAG backend
- Designed secure server-side data loading with Server Components and interactive chat via Client Components
- Implemented JWT validation and backend proxying via Next.js route handlers, including streaming responses
- Post-launch ownership: monitored latency/DB performance and improved observability via better error logging
- Reduced response times ~30% by adding MongoDB indexes and optimizing aggregation queries as data volume grew
- Lowered infra cost by caching to reduce redundant AI/embedding lookups
- Frontend performance optimization using React Profiler/Chrome DevTools; improved perceived latency ~30% with streaming + message list rendering optimizations
- Built durable multi-step ingestion workflow with idempotent state tracking, retries (exponential backoff), and safeguards against duplicates
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