Shubham Dubey

Backend engineer with 3 years at Infosys delivering production-grade APIs for Fortune-500 clients (Toyota, Medtronic) across Automobile and Medical Device domains. Independently architected and shipped two live projects — a flash sale engine stress-tested to 50,000 concurrent users, and a full-stack payments platform with real-time P2P wallet settlement. Currently actively seeking new backend engineering opportunities.

Backend Developer (Node.js) · Full Stack at Infosys Ltd. (2022-06 – 2026-03)

Automobile Supply Chain Platform — Client: Toyota Motors North America Medical Device Platform — Client: Medtronic

• Owned 5 core backend modules (Parts Master, Supplier Master, Supplier Line, Event Collaboration, Forecast Analysis) in a 5-person team — Node.js / Express APIs on PostgreSQL serving global supply chain operations.
• Reduced API latency by 69% (800 ms → 250 ms) by profiling PostgreSQL aggregation queries and introducing a Redis cache layer, cutting supplier sync delays and improving order-processing throughput.
• Built React.js dashboard components for supply chain event tracking and forecast visualization, enabling ops teams to monitor supplier sync status in real time.
• Mentored 2 junior engineers via code reviews and pairing sessions; established Jest coverage standards that eliminated recurring production incidents over 6+ months.
• Built patient data management APIs for a regulated medical device platform with OAuth2 / JWT and RBAC — enforcing strict data isolation across patient records and provider workflows.
• Designed and owned CI/CD pipeline (Docker + AWS ECS) with blue-green deployments, achieving zero-downtime rollouts; reduced deployment cycle time by ~40% across both client environments.
• Enforced healthcare data compliance through input validation, audit logging, and API-layer RBAC — ensuring platform readiness for regulatory review.

B.Tech – Greater Noida Institute of Technology (2017 – 2021)