Piyush Kumar

Software engineer

Vetic • Fulltime

Feb 2025 - Aug 2026 • 1 yr 6 mos

• Architected and delivered Vetic’s Flutter-based partner app powering at-home consultations, appointment lifecycle management, EMR, billing, and inventory-driven treatment workflows. • Designed and implemented a scalable real-time tracking system capable of handling 10,000+ concurrent at-home appointments, delivering live doctor locations, ETA predictions, and map-based customer visibility. • Re-architected application initialization reducing cold-start time by 70% and improving Time-to-Interactive (TTI) to 1–1.5 seconds through optimized state restoration, caching, and asynchronous initialization. • Led the redesign of membership and service utilization workflows, improving user experience and strengthening edge-case handling, resulting in a 30% reduction in customer support tickets. • Built an enterprise-grade in-app update framework supporting force/flexible APK updates, Android overlay integrations, and navigation-aware quick actions for field doctors.

Flutter Developer

Gol Economy Private Limited • Fulltime

Aug 2024 - Jan 2025 • 5 mos

• Developed 5+ cross-platform Flutter applications and a web platform using MVC architecture. • Integrated 50+ REST APIs across authentication, payments, bookings, and asynchronous workflows while handling complex UI state and data flows. • Optimized application responsiveness through debugging, widget tree refinements, and efficient state management patterns across multiple client projects.