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Nandakumar Punniakoti
Mid-Level Full-Stack Product Engineer specializing in TypeScript/React, Java, and AI integration
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About
Full-stack product engineer who builds and owns production features across Next.js/React/TypeScript and Java Spring Boot, with strong Postgres data modeling and performance tuning. Has delivered measurable improvements (60%+ faster renders, 2s→100ms queries, 50% lower workflow latency) and built reliable Kafka-based workflows with robust observability (Prometheus/Grafana/Alertmanager) and high test coverage.
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Key Strengths
- Shipped full-stack Next.js (App Router) + TypeScript features end-to-end and owned post-launch monitoring/iteration
- Frontend performance optimization using profiling + memoization and virtualization (60%+ render time reduction)
- Postgres schema design and query tuning with indexing and EXPLAIN ANALYZE (2s to 100ms query improvement)
- Built durable event-driven workflows with Kafka including retries, idempotency, DLQ handling, and reconciliation jobs (65% less manual intervention)
- Strong production engineering practices: 95% test coverage, observability (Prometheus + tracing), and CI/CD (40% faster incident resolution; 65% fewer deployment incidents)
- Architecture tradeoff decision-making (REST vs RabbitMQ vs Kafka) tied to throughput, durability, replay, and exactly-once needs (50% latency reduction)
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