Arpit Patidar

Experience

1. Full Stack Engineer

   Justdial

   Nov 2024 — Present

   Deal Close Process Migration• Architected Python-based Kafka consumer replacing legacy PHP API, accelerating contract throughput by 73%• Orchestrated event-driven architecture with consumer groups and threading, achieving 10x scalability at 99% uptime• Eliminated 95% database overhead via optimized MySQL pooling and MongoDB integration resolving race conditions• Constructed modular business layer handling transformations, payments, validations, and inventory across 50+ APIs• Instituted structured logging and environment-based configuration framework, slashing debugging cycles by 60%Invoice Generation System• Architected real-time invoicing platform processing daily transactions via Kafka, Node.js, and Python• Delivered GST engine with ClearTax validation, IRN/QR e-invoicing, and audit-safe database updates for 97+ fields• Accelerated invoice generation by 40% using parallelized API calls, async PDF rendering, and multi-threaded consumersE-commerce Campaign & Payment System• Designed e-commerce flow for New Year Combo with responsive demo page, cart integration, and payment processing• Built pricing calculation engine with 50:50 budget split algorithms, ECS logic, and campaign management APIsGeocode API Integration & Distance Validation System• Integrated Google Geocode API, improving distance accuracy by 90% and reducing false photo rejections significantly• Developed refined photo validation enforcing 100-meter radius limits, preventing invalid deal closures enhancing accuracy

Education

• Indian Institute of Technology, Kharagpur

  Integrated M.Sc. in Economics

• Indian Institute of Technology, Kharagpur

  Integrated Masters, Economics

  2018 — 2023