Momin Abuzaid

Architected a multitenant SaaS platform serving 50+ tenants with RBAC/ABAC authorization and AWS serverless pipelines (Lambda, SQS/SNS) at sub-200ms API response times. Built serverless microservices backends supporting 5,000+ concurrent users, and automated attendance/payroll operations cutting manual workload by 70%+. Stack: Node.js, TypeScript, React, React Native, AWS, PostgreSQL, MongoDB.

Led development of DemInfra, a construction-management web app (React, Express, MongoDB, TypeScript) tracking work progress, contractor updates, inspector quality checks, and automated bill approval, deployed on-site in Mumbai. Owned the ConVox React admin console and reporting dashboards, resolving recurring L4 production issues. Hardened front-end security for a banking client and authored data-export scripts for multi-million-row datasets under strict performance constraints.

Built a role-based school administration web app (Java, Spring Boot, Hibernate, MySQL) with admin, teacher, and parent portals covering student records, attendance, exam marks and report cards, and fee collection with dues tracking. Delivered the Bootstrap front end against Postman-tested REST APIs in a Git-based team workflow with code review and hands-on debugging.