Hey there, I'm Yuto Kazuma!
Building AI & Web3
systems for production.
- Blockchain & AI Developer
- AI Agent Engineer
- Smart Contract Engineer
ABOUT ME
Hi, I'm Yuto, a Blockchain & AI developer with 8+ years of experience building production DeFi systems, smart contracts, AI agents, LLM-powered tools, and backend infrastructure.
My work spans protocol engineering, smart contract architecture, blockchain indexing, AI automation, algorithmic trading systems, and agent-based workflows. I focus on shipping reliable AI and Web3 products that perform under real economic pressure.
EXPERIENCES
09/2022 - 04/2026
Sakura Chain Solutions
Senior Blockchain & AI Engineer
Led development of decentralized lending protocols alongside AI-assisted monitoring, anomaly detection, and protocol analytics using Solidity, Ethers.js, and Hardhat. Built LLM-powered internal tooling for smart contract review, automated on-chain risk alerts, and backend pipelines for DeFi data indexing with IPFS/Arweave storage integration.
02/2018 - 07/2021
DeFiTankLand
Blockchain & AI Engineer
Built Web3-enabled interfaces and microservices blockchain backends supporting 4,000+ concurrent users. Integrated NFT metadata pipelines with IPFS, developed AI-assisted asset indexing and player analytics workflows, and automated on-chain guild/asset tracking APIs with Django REST Framework for Ethereum-based game and DeFi products.
11/2016 - 12/2017
Tokyo Market Systems Corporation
Software Engineer
Developed high-performance trading and settlement systems using Python and JavaScript, including data-driven automation for market operations. Contributed to migration from monolith to microservices while collaborating with risk and compliance teams on audit-ready financial systems.
10/2015 - 08/2016
Self-Employed
Freelance Blockchain & AI Developer
Delivered Web3 analytics dashboards, DeFi tooling, and Python-based automation for blockchain data pipelines. Built smart contract interaction backends, early AI-assisted monitoring scripts, and client-facing tools combining on-chain analytics with machine learning for transaction and wallet behavior analysis.
PROJECTS
Studio Aurora
Studio Aurora is my web agency, delivering premium websites and web applications for clients worldwide. The agency site itself showcases our portfolio, services, and approach - built with Next.js, Tailwind CSS, and Framer Motion for a polished, high-performance experience that reflects the quality we bring to every client project.
Genzify AI
GenZify is an AI-powered tool I developed to transform everyday text into trendy Gen Z-style language. I managed both the front-end design and back-end development, integrating AI functionality for smooth and creative rephrasings. The platform delivers a fun, engaging experience, perfect for anyone looking to add a modern twist to their communication. This project highlights my skills in blending AI with user-centric design to create a playful, interactive web tool.
WhatAboutPets
WhatAboutPets is a comprehensive blog and e-commerce platform I built to provide valuable insights into pet care, health, and wellness. Alongside engaging articles, the site features an integrated WooCommerce store, offering a variety of pet-related products. I managed everything from designing the user-friendly interface to implementing SEO strategies and setting up the online shop. This project highlights my expertise in both content-driven sites and e-commerce solutions, creating a complete experience for pet lovers.
Plaiful - AI Agent Directory
Developed for a client, Plaiful is a comprehensive AI agent directory platform built on Next.js. This project involved significant customization of the OpenAlternative codebase to create a dedicated platform for discovering and comparing AI agents focused on the banking and credit union sector. I implemented advanced filtering, search capabilities, and built a modern, intuitive interface for users to easily find AI solutions tailored to their specific needs.
Zambia Casino
Built for a client, Zambia Casino is a sleek landing page for an online casino targeting the Zambian market. I designed and developed a responsive, high-performance site that effectively showcases the casino's offerings, promotions, and games. The project emphasizes strong visual elements, fast loading times, and intuitive navigation to optimize user engagement and conversion rates in the competitive online gambling space.
Crypto AI Trading Bot
Crypto liquidity detection and algorithmic trading bot with order book analysis, stop-loss clusters, and liquidity sweep detection. Supports multi-exchange trading across Binance, Bybit, Kraken, and OKX for quant research, trading signals, and market microstructure analysis.
DApp Node
Infrastructure tooling for running and managing blockchain nodes in production environments. Built for developers who need reliable node deployment, monitoring, and operational workflows across decentralized networks.
Solana Sniper Bot
High-performance Solana trading bot written in Rust for low-latency on-chain execution. Focused on mempool monitoring, transaction routing, and automated trading strategies in the Solana ecosystem.
Solidity DeFi
Smart contract development for decentralized finance protocols, covering lending, liquidity, and on-chain financial primitives. Built with Solidity, Hardhat, and Ethereum tooling for secure DeFi architecture.
Web3 Casino
A Web3 casino platform with on-chain game logic and wallet-connected gameplay. Built with TypeScript and modern Web3 tooling for transparent, decentralized gaming experiences.
TECHNOLOGIES
Solidity
Smart contract programming language
Rust
High-performance Solana and systems tooling
Python
AI agents, trading systems, and backend services
OpenAI API
AI agents and LLM-powered applications
Ethereum
Primary blockchain ecosystem
Solana
High-throughput on-chain applications
TypeScript
Typed JavaScript for scalable applications
React
Web3 and AI product frontends
Node.js
High-performance backend runtime
Docker
Containerized deployment workflows
AWS
Cloud infrastructure and operations