VINOD KUMAR

Full-stack ownership of production systems. Microservices, event-driven architecture, multi-tenant platforms.

• ClapOS: Film industry SaaS with 10+ operational modules (vendor, auditions, call sheets, talent, media vault). Microservices + Kafka event streaming. Frontend live, backend 50% complete.
• PlusUAE: Multilingual platform for UAE corporate client. 5 languages (Arabic, French, Chinese, English, Mandarin), RTL layout, Zoho CRM integration. Live & in daily use.
• Jignu: Business directory platform (JustDial-style). Multi-tenant with 3 dashboards (Company, Admin, Public). Company-scoped data isolation.
• Wyka: Marketing automation platform. Custom Canva marketplace integration. OAuth + Passport.js auth across platforms. Real-time data sync.

Owned frontend layer for medtech SaaS platforms. 5+ hospital clients, 100+ daily users. Cut load times 3s → 800ms.

• Hospital Management System: Built appointment booking UI + role-based dashboards (admins, receptionists, lab staff) for 5+ hospital clients managing 100+ daily appointments.
• Performance optimization: Cut load times from 3 seconds to 800ms (73% improvement). Lighthouse scores 50 → 90+. Difference between users staying or bouncing.
• Workflow dashboards: Built complex role-based dashboards. Proximity-based batch appointment assignment. Dynamic time slot generation.
• PG Accommodation Platform: Multi-tenant property management. Tenant onboarding, booking workflows, notice period tracking, PDF invoice generation.
• Form validation: Replaced unvalidated forms with Zod + React Hook Form. Reduced invalid backend data by 85%.

Built production websites and healthcare platforms. Patient/doctor/admin workflows. End-to-end ownership.

• 5+ production healthcare websites: Patient portals, doctor dashboards, appointment systems, lab services. Balanced reusable templates with client-specific requirements.
• Authentication & Authorization: Implemented JWT + role-based access control (RBAC). Secured patient, doctor, and admin data. Zero unauthorized access incidents.
• Lead management system: Replaced spreadsheet pipeline with searchable/filterable dashboard. Added QR-based client onboarding. Shipped within same sprint.
• Backend & infrastructure: Managed Node.js APIs, MongoDB schemas, deployed on AWS EC2. Documented all endpoints. Agile contributor.