Aman Kumar

Backend Software Engineer with hands-on experience building scalable RESTful APIs and microservices using Java, Spring Boot, MySQL and Redis in a production e-commerce environment. Skilled in third-party API integration, caching, SQL optimization and production debugging. Strong DSA foundation (600+ problems solved, LeetCode/Codeforces rating 1700, top 8%) and experience building AI-powered systems with LangGraph, Gemini and pgvector.

Software Engineer 1 at SnapDeal (2026-01 – Present)

E-commerce Platform

• Designed, developed and maintained backend RESTful APIs using Java and Spring Boot powering courier integrations and automated shipping workflows.
• Integrated multiple courier partner APIs for automated waybill/AWB generation, shipment status updates and tracking data ingestion.
• Built and maintained inventory management workflows ensuring real-time stock synchronization across order placement, dispatch and return cycles.
• Implemented Redis caching for high-traffic shipping data (serviceable pincodes, partner rate cards), cutting redundant DB calls and improving API response time by 30%.
• Optimized SQL queries and indexes on shipment tracking and inventory tables, improving read performance and overall throughput.
• Monitored logs, diagnosed production issues (API timeouts, third-party response errors) and performed root-cause analysis to ship reliable bug fixes.

B.Tech in Computer Science and Engineering – Lovely Professional University (2022 – 2026)

Intermediate in Class XII – SSBV Public School, Narwana (2021 – 2022)

Matriculation in Class X – DAV Public School, Kaithal (2019 – 2020)