Identifying vulnerabilities that others miss. Creating products that solve real problems.
Security Research
Independent SEPA Direct Debit Analysis
• Discovered bypass in Stripe’s SEPA flow allowing premium activation without valid IBAN.
• Revealed Dropbox’s acceptance of arbitrary IBAN formats to grant paid subscriptions.
Systemic Insight
• Framed findings as design‐level trade-offs between conversion and risk.
• Prioritized clarity and formal rigor; avoided superficial “bug hunt” narratives.
AI-Driven Products
MARSAD
• Solo‐developed social media intelligence platform for HBKU and international partners in weeks.
• Transforms raw feeds into research-grade insights for policy and academic use.
OCRPro
• Hybrid OCR engine surpassing AWS Textract, Azure OCR, and Google Cloud OCR on cost, speed, and edge-case accuracy.
• Usage-based pricing; optimized for real-world document diversity.
A111y
• AI-powered accessibility auditor integrated into developer workflows.
• Surfaces prioritized, context-aware recommendations instead of exhaustive rule lists.
Social Impact
The Yoosuf Foundation
• Founded an educational nonprofit mentoring 50+ first-generation, low-income students.
• Provides structured guidance, resources, and grant support—making implicit knowledge explicit.
“Speed is the only moat.”
Constraints fuel clarity. Shipping prototypes uncovers truths that planning never will.
“Success is ecological, not self-made.”
Every achievement rests on visible and invisible infrastructures of knowledge, access, and permission.
- Email: ahmad@ahmadyoosuf.com
- GitHub: @ahmadyoosuf
- Foundation: The Yoosuf Foundation
Crafting long-horizon solutions with precision, integrity, and enduring impact.