Yusei
Tokito.

Computer Science & Finance student building scalable systems across three countries.

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The voyage begins below

— The Voyage

A Journey Across Three Countries

I. Japan

Foundation

🇯🇵

2002 – 2022

Growing up in Japan, I spent most of my time playing football, running, and building things, from Lego creations to small projects on my computer. When I built a simple website and realized how a few lines of code could create something real, I knew I wanted to keep building.

SportsCuriosityBuildingDiscipline
Scroll to sail

— Islands of Treasure

Projects

Each project is an island discovered through curiosity, built with intention.

☁️

Serverless To-Do App

AWS · Lambda · DynamoDB

A fully serverless task management app on AWS. Lambda for CRUD, DynamoDB for persistence, API Gateway for REST endpoints, Cognito for auth.

AWS LambdaDynamoDBAPI GatewayTypeScript
🗺️

NZ Trip Planner

Maps API · Weather API

Interactive trip planner built during my NZ exchange. Google Maps routing, OpenWeather forecasts, local itinerary storage with export.

ReactGoogle MapsOpenWeatherNode.js
🃏

AI Card Game

Genetic Algorithm · Simulation

AI agents evolve card strategies via genetic algorithm. Population search, fitness evaluation, crossover and mutation for emergent gameplay.

PythonGenetic AlgorithmNumPyOOP

— Supplies & Tools

Skills

Frontend

ReactNext.jsTypeScriptTailwind CSSGSAP

Backend & Cloud

Node.jsPythonAWS LambdaDynamoDBPostgreSQL

Other

GitDockerREST APIsAgileFinancial Modelling

— Treasure Chest

Send a Message

Found the treasure? Drop me a note — open to collaborations, roles, and good conversations.