MUHAMMAD HAMZA

Own ambiguous initiatives from discovery through production across React/JavaScript, Node.js/Express, PHP, MySQL, Redis, and WebSockets on AWS while collaborating with business and engineering stakeholders. Architected and delivered Agentica Med-OPS, a multi-tier medical transport platform including trip intake, dispatch, driver workflows, GPS fleet tracking, audit trails, role-based dashboards, billing, and Patient Care Reports. Shipped LLM-assisted features to summarize and rewrite Patient Care Reports while retaining staff review and operational controls. Built a multi-tenant CRM and automation layer connecting Twilio, 3CX, HubSpot, and GoHighLevel with live call tracking, SMS workflows, idempotent processing, retry-safe job locking, cron pipelines, and token refresh.

Owned architecture, APIs, dashboards, integrations, billing, DevOps, and maintainability for a multi-tenant logistics platform built with React/Next.js, TypeScript, Node.js/NestJS, REST/GraphQL, and AWS. Scaled from ~10 pilot clients to 1,000+ active business users, supporting 1M+ shipments at 99.9% uptime and enabling 70%+ revenue growth with a $2M+ funding round. Delivered real-time shipment tracking, inventory visibility, fleet scheduling, multimodal analytics, and integrations with Shippo, Canada Post, SAP, GoMotive, Vizion, and BI systems. Built a Stripe billing engine for tiered subscriptions, metered usage, and bulk invoicing, and applied AI-driven risk scoring for delivery-delay and carrier-performance risks.

Built production Node.js APIs for a UK-wide NHS and private prescription delivery platform, managing deployment, monitoring, security, and CI/CD across 20+ AWS services. Integrated NHS UK, NHS DM+D, TITAN PMR, RyftPay, Royal Mail, DPD, DHL, SignatureRx, and StockRx into a reliable fulfillment workflow. Shipped an AI prescription-processing feature using GPT APIs and large-volume prescription data, achieving 95% drug-mapping accuracy and reducing processing time by 80%. Implemented role-based workforce and locum-booking workflows that supported thousands of locums and hundreds of pharmacy partners.