Client Task Tracker: Multi-tenant SaaS for Corazon Technologies

What I built

Architected a multi-tenant SaaS platform featuring 11+ relational data models and organization-scoped data isolation, using compound MongoDB indexing to reduce query latency by 92% (2.3 s to 180 ms) for 1,000+ active users and 10,000+ time logs.
Engineered robust application security by implementing JWT authentication, AsyncLocalStorage request context, middleware authorization, and 4-role RBAC (Super-Admin, Admin, Lead, Employee) to strictly enforce row-level tenant access controls.
Built an automated time-tracking & attendance engine with stateful timer controls, server-side validation, partial unique indexes, and automated Vercel Cron midnight (IST) closeout pipelines for precise billing hour calculations.
Streamlined operational reporting & analytics by building multi-filter client dashboards and automated PDF/Excel export tools, cutting manual reporting time from 30 minutes to one click while shipping 50+ feature releases under zero-cost serverless limits.

Architected a multi-tenant SaaS platform featuring 11+ relational data models and organization-scoped data isolation, using compound MongoDB indexing to reduce query latency by 92% (2.3 s to 180 ms) for 1,000+ active users and 10,000+ time logs.
Engineered robust application security by implementing JWT authentication, AsyncLocalStorage request context, middleware authorization, and 4-role RBAC (Super-Admin, Admin, Lead, Employee) to strictly enforce row-level tenant access controls.
Built an automated time-tracking & attendance engine with stateful timer controls, server-side validation, partial unique indexes, and automated Vercel Cron midnight (IST) closeout pipelines for precise billing hour calculations.
Streamlined operational reporting & analytics by building multi-filter client dashboards and automated PDF/Excel export tools, cutting manual reporting time from 30 minutes to one click while shipping 50+ feature releases under zero-cost serverless limits.