Hossam Eldanasoury

Hybrid Cloud Architecture:

• · Architected a high-performance hybrid infrastructure bridging Firebase (for real-time UX and authentication) with PostgreSQL via Google Cloud SQL. Invented a custom "Shadow Sync" event-driven pattern to ensure ACID-compliant transactional reporting while maintaining sub-second frontend reactivity. AI-Powered Automation Pipeline:

• · Engineered a multi-model AI extraction pipeline utilizing Google Cloud Projects' Infrastructure. Achieved >90% data extraction accuracy for multi-language, unstructured financial documents, radically reducing manual data entry. FinTech & Regulatory Engineering:

• · Designed a Implemented engines EU Open Banking (PSD2), Finnish VAT, and MENA-region cryptography (Saudi ZATCA Phase 2, Egypt ETA). Modern Frontend Delivery:

• · Developed a high-performance, responsive Single Page Application (SPA) using React 19 and TypeScript, featuring complete internationalization (i18n) and Right-to-Left (RTL) layout support for Arabic markets.

• · Key Technologies: React 19, TypeScript, Node.js, PostgreSQL (Cloud SQL, pgvector), MongoDB, Vectorization, Firebase Data Connect, Gemini AI, Google Vertex AI, Open Banking APIs, ELR APIs, RAG, Zod.

• · Live URL: www.finctra.io

Multi-Provider API Orchestration:

• · Architected a modular monolith using NestJS, successfully aggregating and normalizing highly complex, conflicting GDS inventory APIs (Amadeus, Duffel) into a unified, lightning-fast search and booking orchestrator. Distributed Transactional Integrity:

• · Engineered a bulletproof financial ledger and cart system using Prisma and Stripe. Implemented custom "Price Lock" mechanisms and idempotent webhook processing to guarantee atomic transactions, eliminating the risk of revenue leakage from stale API data. Advanced State Management:

• · Built a highly interactive consumer frontend utilizing React, Vite, and Zustand for global state management. Handled complex multi-step checkout flows and mixed-cart logic (flights + hotels + activities) with seamless rendering performance. Operational Automation:

• · Designed a fully automated fulfillment lifecycle, converting successful Stripe checkouts into immediate provider bookings and PNR generation, significantly reducing the need for human operational oversight. Modern Frontend Delivery:

• · Developed a high-performance, responsive Single Page Application (SPA) using React 19 and TypeScript, featuring complete internationalization (i18n) and Right-to-Left (RTL) layout support

• · And multi-currency support for international bookings. Key Technologies: NestJS, React, TypeScript, Prisma ORM, Stripe Checkout & Webhooks, Amadeus API, Duffel API, Firebase Auth, Tailwind CSS, Zod, Vercel. Swiss Care Group Red Travel

• · Bootstrapped and managed multiple e-commerce models and digital product lines. Owned the end-to end business lifecycle, from market research and digital product design to performance marketing and conversion rate optimization (CRO). Prototyping & Web Architecture:

• · Designed and deployed custom web solutions for diverse B2B and B2C clients. Mastered modern CMS and web-building ecosystems (Framer, Shopify, WordPress, Squarespace), delivering high performance, responsive interfaces with a strong focus on modern UI/UX principles. AI Automation & Workflow Integration:

• · Identified bottlenecks in client operations and deployed custom conversational AI chatbots for customer service automation and lead generation, serving as an early gateway into LLM integration. Strategic Technical Pivot:

• · Pushed the boundaries of low-code/no-code platforms, ultimately identifying their limitations for enterprise scale. This catalyzed a deliberate transition into deep-tech, full-stack software engineering (React, NestJS, PostgreSQL) to build proprietary, high-complexity systems.