Khalil Ghoul's Work | ContraWork by Khalil Ghoul
Khalil Ghoul

Khalil Ghoul

Building fast SaaS & E-commerce platforms.

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Constantine, Algeria

WorkPostsAbout

Constantine, Algeria

Cover image for I engineered and developed DocQuery
I engineered and developed DocQuery AI, a modern full-stack AI SaaS platform leveraging Retrieval-Augmented Generation (RAG) to enable enterprises to analyze complex documents, contracts, and financial reports with instant, page-verified citations. Key Roles & Contributions: • End-to-End Development: Designed and built the entire application using React, TypeScript, Tailwind CSS, and Supabase. • Semantic Search Engine: Implemented vector similarity search powered by PostgreSQL PgVector and cosine distance metrics for high-speed chunk retrieval. • RAG & LLM Integration: Integrated Google Gemini API with strict zero-hallucination guardrails, ensuring factual responses strictly grounded in uploaded files. • Modern UI/UX: Crafted an Apple/Linear-inspired dark UI supporting full bilingual (Arabic/English, RTL/LTR) responsiveness. • Enterprise Security & Cloud Deploy: Enforced Row Level Security (RLS) policies for multi-tenant isolation and deployed on Vercel infrastructure. Live Demo: https://docquery-two.vercel.app/
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Cover image for Created an interactive professional networking
Created an interactive professional networking platform designed to bridge the gap between skilled freelancers and businesses. Integrated an advanced smart search system and skill categorization engine. Architected using React, Vite, TypeScript, and Supabase for a seamless, high-performance user experience.
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Cover image for Engineered a life-saving blood donation
Engineered a life-saving blood donation ecosystem comprising a responsive web platform and a native Android application. Implemented a medical compatibility matching algorithm and geo-location based push notifications using Firebase (FCM) to instantly connect donors with critical patients in real-time.
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Cover image for Developed a comprehensive B2B SaaS
Developed a comprehensive B2B SaaS platform for e-commerce Cash-on-Delivery (COD) order management. Key features include a dynamic Kanban board for state tracking, WhatsApp message automation for client updates, and automated delivery receipt generation. Built for scale using React, TypeScript, Tailwind CSS, and Supabase.
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