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Ryo Tanaka Blockchain Developer

Ryo Tanaka

  • United States
  • Full-time (40 hrs/week)
Ryo is now available for hire Hire Ryo

Experienced senior software engineer committed to maintaining cutting edge technical skills and up-to-date industry knowledge including 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻/𝗦𝗼𝗹𝗶𝗱𝗶𝘁𝘆/𝗘𝗹𝗶𝘅𝗶𝗿/𝐆𝐎
- 9 years of 𝒘𝒆𝒃/𝒎𝒐𝒃𝒊𝒍𝒆 𝒅𝒆𝒗𝒆𝒍𝒐𝒑𝒎𝒆𝒏𝒕 experiences.
- Extensive knowledge with many web technologies including JS/PHP/Python/Java, especially 𝑱𝒂𝒗𝒂𝒔𝒄𝒓𝒊𝒑𝒕.
- Clear understanding of 𝑩𝒍𝒐𝒄𝒌𝒄𝒉𝒂𝒊𝒏, 𝑺𝒎𝒂𝒓𝒕 𝒄𝒐𝒏𝒕𝒓𝒂𝒄𝒕, 𝑬𝒕𝒉𝒆𝒓𝒆𝒖𝒎
- Accustomed to working with an agile team like three97, ozone using 𝒄𝒐𝒏𝒕𝒊𝒖𝒐𝒖𝒔 𝒊𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏.
- Always thriving to learn 𝒏𝒆𝒘 𝒕𝒆𝒄𝒉𝒏𝒐𝒍𝒐𝒈𝒊𝒆𝒔 and applying them to solve problems. TECHNICAL SKILLS:
- Experience with ℝ𝕦𝕤𝕥/𝔾𝕠/𝕊𝕠𝕝𝕚𝕕𝕚𝕥𝕪/𝕊𝕞𝕒𝕣𝕥 𝕔𝕠𝕟𝕥𝕣𝕒𝕔𝕥𝕤/𝕨𝕖𝕓𝟛.𝕛𝕤 on 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧/𝐂𝐫𝐲𝐩𝐭𝐨𝐜𝐮𝐫𝐫𝐞𝐧𝐜𝐲 space
- Full stack web development experience with 𝕁𝕒𝕧𝕒𝕊𝕔𝕣𝕚𝕡𝕥/𝔾𝕠/ℙ𝕪𝕥𝕙𝕠𝕟/ℝ𝕦𝕤𝕥/ℙℍℙ/ℝ𝕦𝕓𝕪
- Experience with front-end JavaScript library/framework
- 𝔸𝕟𝕘𝕦𝕝𝕒𝕣, ℝ𝕖𝕒𝕔𝕥, 𝕍𝕦𝕖
- Experience with back-end library/framework
- ℕ𝕖𝕤𝕥𝕁𝕊, 𝔼𝕩𝕡𝕣𝕖𝕤𝕤.𝕛𝕤, 𝕂𝕠𝕒, ℍ𝕒𝕡𝕚, 𝔻𝕛𝕒𝕟𝕘𝕠, ℝ𝕦𝕓𝕪 𝕠𝕟 ℝ𝕒𝕚𝕝𝕤, 𝕐𝕚𝕚, 𝕃𝕒𝕣𝕒𝕧𝕖𝕝, ℂ𝕀, etc.
- Native/Hybrid app development experience with 𝕊𝕨𝕚𝕗𝕥/𝕀𝕠𝕟𝕚𝕔/ℝ𝕖𝕒𝕔𝕥 ℕ𝕒𝕥𝕚𝕧𝕖
- Experience building public RESTful interfaces and using 𝔾𝕣𝕒𝕡𝕙ℚ𝕃.
- Experience with GIT based source control solutions (𝔾𝕚𝕥𝕙𝕦𝕓, 𝔾𝕚𝕥𝕝𝕒𝕓, etc)
- Has worked extensively with 𝕋𝕪𝕡𝕖𝕊𝕔𝕣𝕚𝕡𝕥 or a language that utilizes static typing.
- Development experience on the 𝔸𝕎𝕊 𝕤𝕖𝕣𝕧𝕖𝕣𝕝𝕖𝕤𝕤 𝕡𝕝𝕒𝕥𝕗𝕠𝕣𝕞 is highly preferred (Lambda, S3, DynamoDB, Aurora, API Gateway, SNS / SQS / AppSync, Kinesis)

Skills and experiences

Skills and experiences

Blockchain Advisor

Unifiprotocol 09/2021 - 12/2021

-created smart contract for bridge across chains -develop flash-bot forked from uniswap into balancer protocol -expanded vault functionality in protocol -optimized smart contract -make signature on tx

Location: San Francisco, California, United States

NFT/Defi developer

NFT team(madlads, solomon, skeitez, honeyBee) 07/2021 - 09/2021

-Created NFTs and deployed online -Ethereum, BSC and solana nfts created using solidity/rust

Location: Los Angeles, California, United States

Blockchain Developer

Companies and teams related to cryptocurrency (nuls, zur, troy) 01/2020 - 09/2021

-Expert in Ethereum and Binance Smart Chain deploying 30+ smart contracts and developing several DeFi dapps.
 -Built several crypto exchanges and Dex and Defi platforms helping clients raise millions of dollars.
 -Technologies working with Smart contract, Solidity,Web3.js,React, TypeScript, PostgreSQL, React Native -Designed and deployed smart contracts for tokens and ICOs including token vesting, refund vaults, and multi-signature wallets. -Performed smart contract security audits.

Location: Tokyo, Japan

Solidity developer

Wolves Of Wall Street 03/2021 - 04/2021 - created smart contract for NFT and NFT marketplace - made NFT staked and unstaked

Defi Dapp developer

JGN 10/2020 - 03/2021

- - Worked as a team lead on dex part - Created smart contract for dex - Set the workflow of development to the team - Resolved the conflict between devs - Guided UI how it should look like

Blockchain Developer

Ozone 07/2019 - 08/2020

- Built smart contracts infra structure for this Defi platform on Ethereum and Binance smart Chain Network - Built Database architecture and structure with NoSQL database technology – MongoDB - Built and Organized backend system for real-time data streaming using Node.js, Express, Apollo graphql and subscription technologies. - Built Two-Factor Authentication feature on backend and frontend as well. - Built Whole UI / UX on frontend side and implemented Web trading chart feature using web3.js and React modern javascript technology - Built real-time data updates structure using Apollo client subscription technology

Location: United States

Lead Software Engineer/Founder

TanaR Co. LLC 01/2019 - 03/2020

We have created and managed one altcoin and promoted Using Dex, NFT and uniswap 2 frontend devs, 1 backend dev, 1 smart contract dev and me as a leader

Location: Tokyo, Japan

Smart Contract Developer

Enjoy Technology, Inc. 04/2017 - 07/2019

-Expert in Ethereum and Binance Smart Chain using Solidity. -NFT Social Media Platform Development. -CrowdSale & ICO Defi development. -Created and deployed a staking contract for the platform token. -Created a demo DApp for the staking contract. -Created a user interface to the blockchain back end using React and Drizzle. -Implemented and deployed the graph for the staking contract tracking all events and allowing more advanced queries.

Location: Orange County, California Area

Solidity & Smart Contract Engineer

three97 08/2018 - 06/2019

-Engaged with clients wanting to enter the blockchain space, especially in the Ethereum ecosystem. -Designed and deployed smart contracts for tokens and ICOs including token vesting, refund vaults, and multi-signature wallets. -Performed smart contract security audits. -Created an upgradable erc20 token contract using a call delegate proxy. -Deployed the project to mainnet, verified on Etherscan, and provided instructions to the team on how to use it.

React Developer

Comprehend Systems 08/2016 - 04/2018


Location: Redwood City, California Area

Educations and Certifications

Seoul National University of Science and Technology

Computer Science 2007 - 2012

Bachelor's degree



Full professional


Native or bilingual


Full professional
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