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improdead/README.md
Dekai Li Banner
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πŸ‘¨β€πŸ’» Dekai Li

CTO at Trident β€’ Co-Founder at Esprit β€’ Researcher β€’ Competitive Math

Building ambitious software at the intersection of research, information security, AI systems, and founder-led products.

Email Gmail LinkedIn Website GitHub


πŸš€ About Me

I’m Dekai Li, a competitive math builder, researcher, software developer, and CTO based in Canada.

I’m currently CTO at Trident and Co-Founder at Esprit, where I’m building ambitious products at the intersection of software, research, security, and applied AI. I’m especially interested in systems that move fast, scale cleanly, and turn technical ideas into real-world products.

Previously, I was a Software Engineer at RevisionDojo (YC F24), where I built mobile infrastructure and a RAG system from scratch. I also worked as a Researcher at the University of Toronto, continuing my focus on technical depth, experimentation, and problem-solving.

πŸ’¬ Reach out at dekai@esprit.dev β€” always happy to discuss tech.


🧠 Current Focus

  • πŸ›‘οΈ Information Security β€” security-minded engineering, systems thinking, and robust software design
  • 🧠 Research β€” experimentation, technical exploration, and competitive problem-solving
  • βš™οΈ Software Development β€” full-stack systems, infrastructure, and product engineering
  • πŸ€– AI / RAG Systems β€” applied AI workflows, retrieval systems, and intelligent tools
  • πŸš€ Founder Work β€” building and shipping from zero to one
  • 😎 Rizz β€” officially LinkedIn-certified energy

πŸ’Ό Experience

🧭 CTO at Trident

Leading technical direction, product execution, and engineering strategy.

πŸš€ Co-Founder β€” Esprit

February 2026 – Present β€’ San Francisco Bay Area

Building new products from the ground up, with a focus on fast execution, software systems, and founder-led experimentation.

πŸ‘Ύ Software Engineer β€” RevisionDojo (YC F24)

October 2025 – January 2026 β€’ New York, United States

Built mobile infrastructure and a RAG system from scratch, working across product, backend, AI systems, and engineering execution.

πŸ”¬ Researcher β€” University of Toronto

July 2025 – October 2025 β€’ Toronto, Ontario, Canada

Worked on research-driven technical exploration, applying structured problem-solving and experimentation to complex systems.


πŸŽ“ Education

🏫 University of Waterloo

Bachelor of Science β€” Computer Science

πŸš€ Y Combinator

Studied and learned from one of the world’s strongest startup ecosystems.


πŸ› οΈ Skills & Tools

πŸ† Top Skills

Information Security Software Development Rizz

🧩 Programming Languages

Python JavaScript TypeScript C C# Java HTML5 CSS3

βš™οΈ Frameworks & Libraries

React Next.js Tailwind CSS Node.js Flask Express Django Unity

πŸ€– AI / Machine Learning Stack

PyTorch TensorFlow OpenCV LangChain Hugging Face FastAPI GraphQL

πŸ—„οΈ Databases & Cloud

MongoDB PostgreSQL MySQL Redis AWS Azure Firebase

🧰 Tools & DevOps

Docker Git GitHub VS Code Vercel Figma Notion

πŸ“Œ Timeline

Year Role
2026 – Present Co-Founder at Esprit β€’ San Francisco Bay Area
2026 – Present CTO at Trident
2025 – 2026 Software Engineer at RevisionDojo (YC F24)
2025 Researcher at University of Toronto
Present BSc Computer Science at University of Waterloo

πŸ“Š GitHub Stats

Dekai's GitHub Streak

GitHub Profile Details

Top Languages by Repo Top Languages by Commit

GitHub Stats Productive Time

🌐 Connect With Me

Email Gmail LinkedIn Website GitHub


Profile views

⚑ Always happy to discuss tech.

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