Senthema↗
April 2025 – September 2025Solo Founder · Brooklyn, NY
- Built and scaled a full-stack AI study assistant used by 500+ users
- Generated 100,000+ study artifacts from PDFs, images (OCR), YouTube videos, and web content using GPT-5.1, Gemini, and LangChain
- Architected real-time collaborative learning spaces supporting 1,000+ concurrent users with live updates, RBAC, in-space chat, and presence
- Designed production backend with 25+ relational tables and 50+ REST endpoints
- Implemented Stripe subscriptions achieving 15-25% free-to-paid conversion
