Nabeelnasir

CTO

Ordernova • Período integral

Apr 2025 - Present • 1 yr 1 mo

As CTO of Ordernova, a comprehensive restaurant management and ordering platform, I architected and developed a multi-tenant SaaS solution designed for restaurant operators, customers, and franchise networks. My role encompasses designing scalable API-driven systems to deliver reliable order processing, payment integration, and real-time restaurant operations management. Key Projects and Achievements - Architected a multi-tenant backend system using FastAPI and PostgreSQL, ensuring strict tenant isolation and horizontal scalability across multiple restaurants and franchise operations - Implemented a modular service-oriented architecture (API → Services → Models → Schemas), enabling clean separation of concerns and rapid feature development across admin, customer, and superadmin interfaces - Developed comprehensive order processing pipelines handling the complete lifecycle from menu configuration and pricing logic through order fulfillment, payment processing (Stripe), and delivery coordination - Created robust authentication and authorization systems using JWT (access + refresh tokens) and BCrypt, supporting role-based access control across restaurant operators, staff, and customers - Built automated webhook handling and third-party integrations, including Stripe payment processing, WebPush notifications (VAPID), and transactional email systems (SMTP2GO) - Designed database migration strategies using Alembic, ensuring consistent schema evolution and zero-downtime deployments across production environments - Implemented advanced features including coupon systems, loyalty programs, dynamic pricing logic, preset menu libraries, and system-wide rate limiting with Redis (automatic in-memory fallback) - Established infrastructure best practices including JSON-based structured logging, Sentry error tracking, S3 storage integration (Tebi - EU), and comprehensive API documentation using FastAPI's automatic.

Lead Software Engineer

WeAreCasus • Período integral

Oct 2024 - Present • 1 yr 7 mos

=> Founding team member of funded startup, architected and implemented a scalable frontend framework that powered growth from 0 to 10 K active users (and counting). => Partnered with UI/UX designers to convert high-fidelity prototypes into production-ready React components, slashing design-to-development turnaround by 30%. => Engineered API integrations (RESTful and GraphQL) for seamless data flow, maintaining 98% uptime across core user journeys. => Optimized web application performance—introduced lazy loading, code splitting, and image optimization—to cut initial page load times in half.