I am Ryosuke Yamamoto from US.

W e b  
&  
B l o c k c h a i n  
F u l l s t a c k  
D e v e l o p e r

Great Quality and 100% Complete work


🌐 Hi, I'm Ryosuke Yamamoto, a passionate Web and Blockchain FullStack Developer based in the United States.
With a blend of creativity and technical expertise, I craft innovative digital solutions that push the boundaries of technology.
From designing captivating user interfaces to implementing secure and efficient Blockchain solutions, I thrive on turning ideas into reality.
Let's build the future together, one line of code at a time. πŸš€πŸ’»πŸ”—



skills

skills

Web3.js
  100%
Solidity
  90%
React
  85%
Node.js
  80%
AWS
  60%
Blockchain | Solidity | Web3.js | EVM/XRPL | DeFi | NFT | DAO | P2E
React | Next.js | Vue | Angular | TailwindCSS | Bootstrap5.0 | Sass/Less | Styled Compoent |JavaScript/TypeScript | HTML5 | CSS3
Node.js/Nest/Express/Drizzle | Python/Django | PHP/Laravel
MongoDB | MySQL | PostgreSQL
AWS | Firebase | Vercel | Supabase | Docker | Nginx | Bitbucket | CI/CD Pipeline | Git | Linux

html css bootstrap javascript flutter react next vue nuxt typescript angular php python Java C++ wp codeigniter laravel django android kotlin ionic flutter app VS mongo mysql firebase docker git gitlab bitbuket paypal stripe aws linux

SERVICES

Frontend Development

8 years of experience in Front-end development.
- High Quality and performance
- Implement from responsive layouts to interactive elements
- User friendly interface
- Ensuring seamless functionality across devices and browsers
- Intuitive design and optimal performance
- User-centric design

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mushroom

Backend Development

6 years experience in backend development.
- Developed scalable backend systems for high-traffic web applications
- Implemented data processing pipelines for analytics and reporting
- Integrated third-party APIs to enhance application functionality
- Optimized database queries for improved performance
- Collaborated with cross-functional teams to deliver robust backend solutions

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mushroom

Blockchain Development

4 years experience in blockchain development.
- Created a blockchain-based voting system for transparent and tamper-proof elections
- Developed a decentralized marketplace for buying and selling digital assets
- Implemented a blockchain-based supply chain tracking system for enhanced transparency
- Designed and launched a tokenized crowdfunding platform for fundraising campaigns
- Developed DeFi, DAO, NFT, P2E projects

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mushroom

My Hourly Rates

Front-End Development

  • Frontend
  • 3D Animation
  • Web3
$30 - $40

Back-End Development

  • BACKEND API
  • DB DESIGN
  • BOT DEVELOPMENT
$30 - $40

Blockchain Development

  • Smart Contract Development
  • Tokenomics
  • NFT | Dex | DeFi | DAO
$40 - $50
P r e v i o u s   W o r k s
W o r k   e x p e r i e n c e

Co-founding member

2022.11 ~ Present

WowDAO is the 1st decentralized autonomous organization of the AI community.
πŸ’« Our mission is to democratize AI, and to do that the future of AI needs to be globally collaborative and fully decentralized.
This mission is joined by top AI thought leaders who are AI executives from global tech giants and large corps.
πŸ‘ WowDAO doesn’t belong to any single centralized entity, it belongs to the whole AI community. Everyone has a say to shape the future of the DAO ecosystem.
🌐 WowDAO is a blockchain-based, full-cycle ecosystem of AI inventions from the innovation phase, through building AI/ML models and implementing them to commercializing them via the form of Intellectual Property Non-fungible Tokens (IP-NFTs).
- Developed a highly scalable Web API using NodeJS, hosted on multiple load balanced API instances. Achieved 99.9% uptime and handled a peak load of 10,000 requests per second, ensuring seamless user experience during high traffic periods.
- Developed a highly scalable Web API using NodeJS, hosted on multiple load balanced API instances. Achieved 99.9% uptime and handled a peak load of 10,000 requests per second, ensuring seamless user experience during high traffic periods.
- Experience working with third-party libraries, Geo Toolkit, Material UI for the front-end development.
- Used React JS for templating for faster compilation and developing reusable components. And also used React JS in components like JSX, creating React components.

Technologies: React + NextJS, Typescript, NodeJS, Blockchain , PostgreS, Solidity, Polygon

Blockchain FullStack Developer

2021.3 ~ 2022.10

(Full time)

- Experienced working with IP-NFT, voting protocol.
- NFT mint and marketplace contract(ERC20, ERC1155, Polygon, Arbitrum)
- Developing Escrow, Proxy contract for whitelist member(merkle tree)
- Played a key role in identifying and addressing security issues within the application.
- Worked closely with the CTO - Implemented a comprehensive CI/CD pipeline

Technologies: ReactJS, Typescript, NestJS, PostgreSQL(database), Solidity, Cypress, Hardhat

FullStack Developer

2020.3 ~ 2021.2

(Full time)

- I have worked as full stack developer and made both frontend and backend
- Developed ERC20, ERC721, ERC1155 smart contracts with solidity and some NFT projects based on EVM
- Designed and deployed smart contracts for tokens and ICOs including token vesting, refund vaults and multi-signature wallets.
- Programmed applications and tools using object-oriented languages with goals of code abstraction, stability, and reuse

Technologies: Vue, Styled Component, Storybook, Tailwind CSS, Uniswap V3 protocol, Web3.js, Solidity, Event tracker, graph QL,Node.js, MongoDB, CI/CD

FullStack Developer

2016.10 ~ 2020.1

(Full time)

- I have worked as full stack developer and made both frontend and backend
- Involved in web application development for backend system using Angular and Node.js with cutting edge Written Web services using SOAP for sending and getting data from the external interface.
- Designed dynamic client-side JavaScript, codes to build web forms and simulate process for web application, page navigation and form validation also used CSS Blueprint to create grids and adopt cross browser interactive features.
- Utilized React for its efficient data flow architecture to create a lightweight and render efficient web app that searched projects via the GitHub API through keywords.
- Used React JS to create more responsive webpages, which can be compatible with all the browsers and compatible with the different devices.
- Created instances of MongoDB, React.js, Node.js. And created custom filter in React.JS in the application. Developed the user interfaces of the application using HTML Controls.

Technologies: Vue, Laravel, MySQL