Architecting Aerios, a flagship airport operating system, as a consolidated Nx monorepo with a multi-tenant licensing and RBAC platform underneath it.

• Consolidated operational interfaces for the flagship Airport Operating System, Aerios, by architecting the system as an Nx monorepo integrating 16 TypeScript libraries and 14+ route modules, resulting in a unified platform architecture.
• Enabled the creation of five independently licensable products by leading the transformation of a monolithic architecture and extracting core module-scoped components (Redux slices, RTK Query, Zod schemas) into dedicated shared libraries.
• Accelerated feature delivery for key enterprise clients by 30% through per-organization entitlement gating and standardized development specifications.
• Improved authorization efficiency by 40% by designing and implementing a multi-tenant Role-Based Access Control (RBAC) system using JWT claims and a centralized permissions catalog.
• Reduced service lockouts by 90% by developing an automated license lifecycle management solution leveraging toad-scheduler and JWT claims.
• Delivered real-time airside situational awareness, supporting 100+ concurrent aircraft markers, with a Leaflet map layer streaming ADS-B/MLAT position data via Socket.IO.

Shipped high-value features and stabilized platform quality for ManageEngine OpManager, a Java/Tomcat network monitoring product.

• Drove enterprise value and sustained product growth by enhancing the Java/Tomcat backend and SQL data layer, resulting in the launch of 20+ high-value features for ManageEngine OpManager that increased platform stickiness.
• Stabilized product quality by performing deep root cause analysis of Java stack traces and MS SQL slow-query optimization, resulting in a 50%+ reduction in the open-defect backlog.
• Increased system stability and efficiency by refactoring internal WebSocket communication handlers to eliminate stale connections, resulting in a 95% decrease in related customer complaints and a reduced system memory footprint.
• Achieved strict cross-platform feature parity by designing a unified data model and robust API layer, resulting in seamless interoperability between ManageEngine OpManager and RMM.

Delivered full-stack web projects for global clients as an independent freelancer.

• Maintained a perfect track record of project success by consistently delivering responsive full-stack solutions (JavaScript, PHP, SQL) that effectively translated complex, non-technical requirements from global clients, resulting in a 100% on-time delivery rate and zero refund requests.