Roberto Yamanaka

Full Stack Engineer building developer tools and AI-powered products.

Mexico City, Mexico

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About

I ship production-grade products end-to-end. 5+ years across AI, Web3, and Mobile. I've built SDK ecosystems, real-time AI agents, and led teams from zero to production.

Core stack: TypeScript, React/Next.js, Python, React Native/Expo. Currently focused on developer tooling and AI infrastructure.

Work Experience

Chipi Pay
Remote
DevTools

2024 - Present

Lead Developer

Architected and built a composable TypeScript SDK ecosystem for Starknet wallet infrastructure—core SDK, React hooks, React Native bindings, and Next.js integrations. Built developer dashboard, comprehensive documentation, and mobile wallet app. Created an MCP server for AI-assisted wallet development. Secured 2 Starknet Foundation growth grants and a long-term partnership as infrastructure developers.

SiSoy
Remote

2023 - 2024

Lead Developer

Built ISO 27001-compliant digital identity platform from scratch—architecture, design, and full-stack development. Led a team of 5 developers. Stack: React/Next.js, TypeScript, NestJS, AWS, Docker, GraphQL.

Deep Bitácora
Remote

2022 - 2023

Full Stack Developer

Built AI-powered platform for extracting insights from handwritten anthropological field reports. Implemented OCR pipelines, NLP models, and semantic search. Stack: React/Next.js, Python, FastAPI, AWS, CLIP, Elasticsearch.

Deep Dive
Remote

2020 - 2022

Data Engineer

Designed and deployed serverless data pipelines for large-scale document processing. Built OCR and NLP systems for official government documents. Stack: Python, AWS Lambda, Serverless Framework, Docker.

Arel
Founder

2019 - 2022

Co-Founder & Technical Lead

Built and launched a mobile app for security guard management. Acquired 20 paying B2B customers. Owned product, marketing, sales, and technical development.

Education

Mexico's Autonomous Institute of Technology (ITAM)

2015 - 2019
Bachelor's Degree in Industrial Engineering

Skills

TypeScript
Python
React/Next.js
React Native/Expo
Node.js
LiveKit
AI Agents
Starknet/Web3
AWS
GraphQL
NestJS
SDK Development

Projects

LangWaifu

Real-time Japanese learning app with AI voice agents and reactive 3D anime character. Live on App Store.

React Native
LiveKit
Python
AI Agents
3D Graphics

StarkPay

Crypto payment app enabling merchants to accept payments via NFC. Winner at Ethereum Latam Hackathon.

React Native
Next.js
Starknet
NFC

WaPHL

NLP tool that transforms natural language queries into TheGraph API calls. Winner at Ethereum Mexico.

Python
NLP
TheGraph
GraphQL

Loope Gift Club

Growth platform that sent personalized gifts to 4K+ users to drive brand awareness.

Python
FastAPI
AWS
Serverless