Omar E.

IoT engineer who built the multi-tenant platform running at Google, Apple & Walmart, processing billions of device messages daily via AWS IoT Core and MQTT. AWS Certified Solutions Architect. 8+ years. What I build: - IoT platforms: multi-tenant architecture, device provisioning, OTA firmware updates, GPS tracking, fleet management, real-time data pipelines, ThingsBoard, AWS IoT Core, MQTT, WebSocket (React + Django + PostgreSQL + Docker) - Telematics: Node.js, TypeScript, InfluxDB time-series, PostGIS geospatial, fleet monitoring, CAN bus protocols - Full-stack SaaS: fintech dashboards, brokerage API integrations (Gridkey, Kahilan) - Mobile: Flutter apps, Firebase, 8000+ downloads (Aklne, Seen) - Embedded: CAN bus validation for autonomous vehicles (Valeo), VHDL/QuestaSim simulation (Siemens) My standard: production-ready from day one. Systems that run under load, handle edge cases, and don't break at 3am. AWS Certified Solutions Architect | Top Rated Plus | 100% JSS