Ahmad Yousuf
(Ahmad Bin Haque)
Obsessed with bits and Bytes. Gaining experience through learning.
Dhaka, Bangladesh
Founder of QudsLab. Backend developer with deep focus on cybersecurity, cryptography, and backend architecture. Building quantum-resistant tools and secure systems. Top 1% globally on TryHackMe.
Experience
- Implemented price analytics tracking system logging every property price change for millions of monthly visitors at UK's largest business marketplace (£10.42B+ listings).
- Integrated Typesense search engine into the Discovery App with AI-assisted query decision layer.
- Built cross-platform error monitoring dashboard — unified error logs from 5+ sites with spike detection graphs and real-time visibility.
- Sole backend architect for Internal Task Management System with Ajax-based real-time polling (MD5 state-diff, updates every 5s).
- Built JWT-based unified authentication layer across all platform sites.
- Integrated Stripe payment system for secure donation handling.
- Web-scraped 2,500+ UK mosques — data cleansing, normalization, batch SQL insertion pipelines.
- Built UK postcode research and town sorter with 0% user drop rate redirection system.
- Built full backend: user authentication, vehicle listing system, production deployment.
- WhatsApp notification system for team task alerts.
- GPT-powered in-system chat interface for workflow optimization.
- Automation bots for authentication and customer workflow acceleration.
- Founded QudsLab — open-source organization focused on post-quantum cryptography, privacy tools, and developer utilities.
- Built NextSSL: 100+ algorithm cryptographic library (C + Assembly) with Python orchestration.
- Developed Privacy-RIP: browser fingerprinting research platform (94.7% identification rate).
- Built CtfOrion: next-gen CTF platform alternative to CTFd.
- OSINT team core instructor — taught search methodology and Google Dorking.
- Active in Bangladesh Grey-hat hacker community.
- Top 1% globally on TryHackMe — Top 35 in Bangladesh.
- Specialized in Web Exploitation, OSINT, Cryptography, and Reverse Engineering.
- Vice Chairperson of CIO (Collective Insight Organization).
Projects
Comprehensive PQC cryptographic library. 100+ algorithms, 35+ PQC variants, 26 optimized binaries. Built in C (53.9%) + Assembly (45.2%), orchestrated via Python.
Browser fingerprinting research platform. 30+ attributes, canvas/WebGL/audio fingerprinting, triple-layer storage, anti-detection systems.
Next-gen CTF platform, alternative to CTFd. Covers Pwn, Web Exploitation, Reverse Engineering, Forensics, and more.
Decentralized P2P anonymous communication over Tor. Inter-server sync protocol with checksum-based delta updates and InQueue job system.
Python wrapper exposing local apps to Cloudflare tunnel. Built a DLL that didn't exist — replaced 5 interface output files.
Multi-hash Proof-of-Work experiment in C. Exploring PoW design patterns for curious developers.
YouTube Downloader Tool — videos, playlists, channels in various audio/video formats, no GUI required.
Cross-platform Post-Quantum Cryptography binary generator. Build PQC binaries for any platform.
Skills
Achievements & Certificates
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