Daniel Choi
From game graphics and shader development to web, app, and platform architecture—I build products that ship and systems teams can trust.
Eliminate data contradictions, design for operational simplicity, and systematize team velocity through documentation, standards, and tooling—so it stays sustainable even in the AI era.

Engineering Philosophy
Six pillars I build by
Data IS the Product
- Single Source of Truth for every domain concept
- Normalization eliminates contradictions, not for show
Operational Simplicity
- Idempotency by default on every write path
- Transactional boundaries explicitly designed
Security as Infrastructure
- Row-level security and policy-level enforcement
- Audit trails on every mutation
Systems Beat Individuals
- Standards codified, not memorized
- PR templates and review checklists enforced
Documentation as Operational Tools
- Runbooks for every critical path
- Migration playbooks before every deploy
AI-Era Readiness
- Machine-readable schemas and documentation
- AI-friendly code structure and naming
Career Journey
Game Graphics → Web/App → Platform Architecture
Game Graphics & Shader
Started with Unity-based graphics and shader development. Built a deep sense for performance and structure through real-time rendering.
Web & App Development
Cross-platform product development with React, Flutter, and Node.js. Applied the performance instincts forged in game dev to the web.
Platform Architecture
Service architecture, operational reliability, and automation. Designing commerce and supply-chain systems where data integrity is everything.
Where I Build
Current roles
Hypercape Inc.
K-beauty commerce and supply-chain systems. Architecting Shopify-integrated dropshipping and fulfillment pipelines at scale.
WeKlem Inc.
Full-service web, app, and game development studio. Cross-platform engineering with patented technology, est. 2021.
Featured Writing
Deep dives & playbooks
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