Pratik Kumar Mishra

Full Stack Developer at Automote

Architected sharded MongoDB platform across 3 shards and 3 nodes handling 500M+ leads, scalable to 1B+ with config servers and mongos router, reducing query time by 10x (20s to 2s) and enabling horizontal scaling across distributed clusters. Engineered multi-threaded SERP scraping system using Node.js Worker Threads and Playwright processing 1M scrapes/day, reducing infrastructure costs by 70% ($200-350/month to $100/month) by replacing external APIs. Built real-time lead enrichment pipeline integrating Apollo.io APIs processing 2M records with smart filters and link splitter for pagination optimization, increasing data accuracy by 40% through systematic validation. Developed React-based lead management UI with advanced filtering, pagination, and CSV export using MongoDB aggregation pipelines, processing 1000+ records in under 2 seconds.

R&D Engineer at Nokia Networks and Solution

Automated infrastructure provisioning system using Golang and Kubernetes for server deployment, network configuration, and resource allocation, reducing operational costs by 40% and cutting provisioning time from 4 hours to 10 minutes through containerized microservices architecture. Implemented gRPC-based real-time API monitoring for AT&T infrastructure, shrinking incident response times by 30% and recovering 120 engineering hours each month through robust alerting. Created Python-based unified configuration management system (Integrated ZTS), reducing client implementation costs by 30% and streamlining cross-platform deployments across 50+ client environments.