Fauzul Kabir Chowdhury
Why Fauzul for
Senior Product Manager, DET (AI & Verification)
Fauzul isn't just applying for a job; he's joining the mission. As a UX Engineer turned CIO who hasn't missed a French lesson in 879 days, he brings the 'hands-on example' leadership Duo and Lily expect. He blends a 'pixel-perfect' design soul with a founder's operator grit to scale the DET Funnel.
Hands-on Learning Since 2018
I believe leading by example means being the first one to do the work. Here is my live platform footprint.




Core Requirements
Experience generating outstanding results as a product manager.
8+ years as co-founder/CIO at ELO; delivered 0→1 products for global clients; 300% faster TTM via CI/CD.
Ability to utilize user insights, data, and statistical analyses to inform decisions.
Jamahook (15K active users) checkout optimization; Haiba (analytics-driven menu mutations).
Top-tier design sense -- every pixel matters at Duolingo.
UX Engineer background (2017-2018); designed ELO Books end-to-end in Figma; 'Design' skill bucket includes Brand Design and Adobe suite.
Professional experience in software engineering, design, data analysis, or language learning.
CIO/Engineering Manager; UX Engineer; learning French publicly (YouTube: French with Fauzul).
Top Strengths
0→1 AI Operator
Shipped TagRamp (agentic intros) and DotaBD (civic AI) in 2025.
Design-Led Engineering
UX Engineer roots + 8 years leading technical roadmaps.
Global Product Scale
Shipped Jamahook for 15K+ users in the EU with full GDPR compliance.
Gaps & Adaptation
Direct experience in high-stakes testing security.
Timeline: 4 weeksHandled HIPAA-compliant EHR (EKAGRA) and GDPR (Jamahook) — security as a core product surface is familiar territory.
Difficult Questions
Answering the hard parts of the role with experience and empathy.
Fauzul's Technical Context
The full skill inventory and relevant portfolio projects.
Analogue Projects
Ready to move forward?
Fauzul is available for relocation to EU, UK, Canada. Let's discuss how he can contribute to Duolingo.