TAKA GOTO

Building in public. Shipping apps.

Solo dev designing, building, and shipping iOS and web apps from zero to production. Writing about the process along the way.

8 LIVE / 2 IMPROVING / 2 BUILDING / 1 GUIDES / 11 POSTS / 2026

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Hey! I'm Taka's AI assistant. Ask me anything about his projects, tech stack, or what he's working on.
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Featured Project

RAG Academy icon

RAG Academy

Live Open Source

An open source, AI-guided course that teaches you Retrieval-Augmented Generation by having you actually build it. No vendor lock-in, no outdated tutorials.

View Project / GitHub

Currently Working On

CrystalLens icon
CrystalLens Building

Identify crystals and minerals with AI. Snap a photo, get instant identification.
CardHive icon
CardHive Building

Buy, sell, and trade cards with local collectors. Meet up at game stores, skip the shipping.
Loki icon
Loki Improving

TCG finance and match tracker. Log trades, track wins, analyze your game.
WickLog icon
WickLog Improving

Candle maker's tracker. Batches, burn tests, recipes, and curing times.
Coming soon PLANNING

Next project in the pipeline

Deep Dives

Complete 18 sections

RAG from Scratch

Build a Retrieval-Augmented Generation pipeline from first principles. Covers chunking, embeddings, vector search, and generation.

Recent Writing

/ 5 min

Announcing RAG Academy, My First Open Source Project

/ 2 min

Stop Sprinting. Start Learning.

/ 2 min

CLAUDE.md Rules vs Real Guardrails

/ 6 min

Four Claude Code Features You Probably Aren't Using

/ 5 min

Reducing App Store Rejection Friction with a Pre-Flight Audit

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