Blockchain Developer
Ryo Tanaka
- United States
- Full-time (40 hrs/week)
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
- MongoDB3 years
- PHP2 years
- Solidity4 years
- Business Development2 years
- React.js6 years
- Django2 years
- web3.js3 years
- Search Engine Optimization (SEO)2 years
- Ethereum5 years
- Agile Methodologies2 years
- ECMAScript1 years
- Git2 years
- Node.js3 years
- Software Development3 years
- REST API2 years
- Front-end Development2 years
- Amazon Web Services (AWS)3 years
- Python (Programming Language)4 years
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 - 04/2021https://wolvesofwallstreet.github.io/ - created smart contract for NFT and NFT marketplace - made NFT staked and unstaked
Defi Dapp developer
JGN 10/2020 - 03/2021- https://jgndefi.com - 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 - 03/2020We 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 - 2012Bachelor's degree
