Yamada Nobu
Tokyo, Japan | +1 815 414 2952
https://github.com/ninjacoolers
yamadanobu6430@gmail.com
Blockchain Developer
Professional Blockchain developer with 6+ years of experience in designing,
developing, analyzing, and implementing Backend, React and Smart contract,
Full Stack Dapp on EVM.
1. Expertise in backend development with TypeScript, Python, MongoDB,
MySQL
2. Familiar with MVC, DI, Singleton, Factory, Builder
3. Designed a database schema with Oracle, MySQL, MongoDB
4. Designed and implemented Smart Contract, ERC/EIP, ChainLink on
EVM
5. Worked in designing and configuration of the Azure environment. Migrated
legacy application to the Azure cloud platform
6. Expertise in REST API, GraphQL
7. Proficient in Hardhat, Ganache, Chai
8. Experienced in Scrum, Agile
9. Proficient in Git, SVN
10. Ability to Learn quickly and Apply new skills
EXPERIENCE
Blockchain Developer
Fusion System Group
November 2019 - April 2022
Minato City, Japan
 Researched blockchain Technology, Smart Contracts, and
Cryptocurrency exchange systems.
 Built the Backend server using Node.js and Python for monitoring
Ethereum contracts and creating transactions.
 Developed NFT game asset’s Marketplace, Staking
o Building NFT file hosting service, IPFS integration.
o Royalty, Pre-minting, Lazy-minting, Staking Strategy.
 Integrated the popular NFT Marketplace (Opensea, Rarible, Looksrare)
 Developed Defi/Dapp
o Frontend Dapp by using React.js, Redux.js, Web3.js, Ethers.js
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o Backend by using Django and Node.js
o Smart Contract with ChainLink on Ethereum (ERC/EIP), Polygon, BSC
networks by using Solidity
Crypto Bot development using Ethers in Python
o NFT minting Bot
o Automated arbitrage trading bot using Flashbots, Flashloan,
Sandwich attacks
o Price monitoring Bot
o Service filter Bot (highest swap rate, highest APY provider)
Expertise in Hardhat, Ganache, Chai
Experienced in Trading platform (Stocks, Forex, Option, Futures)
Configured and deployed a cryptocurrencies exchange, along with all its
many dependencies. Configured and deployed private Bitcoin, Ethereum,
and XRP networks.
Developed the Backend using Python Web Services and Hibernate with
MySQL and MongoDB.
Built Rental sites with React (Redux-saga), Node.js and MongoDB
(Mongoose).
Backend Developer
Arsaga Partners, Inc
July 2016 - October 2019
Shibuya City, Japan
 Developed the Backend using Spring Boot and MySQL of an application
for Betting platform.
o Lottery engine
o Points management base on round drawn
o Web-RTC
o MLM system
o Dynamic game round Timer base on room setting
 Served the endpoints using the TypeScript(Node.js) and MongoDB for
appointment system
o Database model design for non-relational database
o Dashboard query by time
o Authentication, Authorization base on JWT
o CRUD endpoints
o Web-RTC for real-time notification
o Payment gateway integration
o Email/Phone verification
 Automated deployments of the Backend Python code and Frontend React
code on AWS.
 Designed corresponding database schema for MySQL and MongoDB.
 Implemented unit tests using an in-memory database approach as well as
integration tests for API endpoints.
 Set up the automatic generation of documentation for the API endpoints
based on the JSON Schema models.
EDUCATION
Bachelor of Technology (B.Tech.) – Computer Engineering
April 2012 - January 2016
Kyoto College of Graduate Studies for Informatics, Japan
CERTIFICATION
Problem Solving
https://www.hackerrank.com/certificates/634d80cf9220
JavaScript
https://www.hackerrank.com/certificates/a328df2a57f1
Node.js
https://www.hackerrank.com/certificates/321db95cfb0d
SQL
https://www.hackerrank.com/certificates/c79543978960
https://www.hackerrank.com/certificates/6206a83ac746
REST API
https://www.hackerrank.com/certificates/3dab177eada6
React
https://www.hackerrank.com/certificates/41cef9539a3e
CSS
https://www.hackerrank.com/certificates/18869fe9a5e0