01 / featured products
Four systems with engineering depth Start with the product. Each case study then shows the problem, one key engineering decision, and the level of evidence behind its claims.
A curriculum tracker that turns study sessions into commits, progress into a contribution graph, and unfinished learning into a visible completion loop.
Built for Self-taught developers working through structured learning paths.
Key engineering decision Curriculum as a hierarchy
Next.js React TypeScript Prisma SQLite Resend A private local video and audio download manager with a guided CLI, browser interface, persistent queue, and no hosted processing backend.
Built for People who need a privacy-first local media workflow.
Key engineering decision SQLite as a process boundary
Python FastAPI SQLite yt-dlp FFmpeg React A relationship operating system that turns professional contacts into a queryable, visual, and bilingual workspace.
Built for Professionals who need reliable context for relationship follow-up.
Key engineering decision RLS-first tenancy
Next.js TypeScript Supabase Gemini AI Stripe TanStack Query A lead pipeline platform that replaced conflicting spreadsheets across four business entities with one auditable, role-aware workflow.
Built for Marketing and Sales teams working across four business entities.
Key engineering decision Server-side field permissions
Next.js TypeScript PostgreSQL Prisma NextAuth Whisper AI 02 / open-source
Open source Smaller public projects with source available for inspection and reuse.
EPPS Container Optimizer 3D bin-packing and logistics tool
A browser-based tool for comparing container placements with door-clearance validation and PDF export.
For Logistics teams planning container loads under practical constraints.
React Three.js Vite 3D algorithms Bin packing PDF export Algorithm Visualizer Interactive computer-science learning tool
An interactive learning project that visualizes algorithms and data structures step by step.
For Students learning algorithmic thinking and data structures.
React Vite JavaScript Canvas Algorithms Data structures 03 / experiments
Experiments Early explorations that are useful to show, but are not presented as launched products.
Throughline Behavioral insight exploration
An early exploration of how structured inputs could support more useful behavioral reflection. It is not a launched product.
For People exploring structured reflection from assessment material.
Next.js TypeScript AI workflows PostgreSQL Earlier work retained for context, with its historical status stated plainly.
iREAD Reading platform and digital bookstore
A graduation project that connected reading history, reviews, commerce, and community flows through one REST API.
For Readers looking for a combined reading, review, and bookstore experience.
Flutter React REST API Mobile and web