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Kerry Hideo
Blockchain & Backend Engineer
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Kerry Hideo

Blockchain & Backend Engineer
This is Lucas Defren (My Japanese name is Kerry Hideo) as Full-Stack Engineer with over 8 years of experience successfully developing, upgrading, and maintaining applications across a variety of industries. - Backend Development (Golang, Rust, Express.js, Node.js, Laravel, CodeIgniter) - Blockchain Smart Contract Development (Solidity/Ethereum, Rust/Solana, PyTeal/Algorand) - Web3 Integration (Ethers.js, Web3.js) - API Development/Documentation (Swagger) - Front-End Development (Next.js, React.js) - DevOps (Amazon Web Service, Docker, NGNIX, Apache, Kafka)
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Nautilus Assure
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Kobe University
Raleigh, NC, USA

Professional Background

  • Current status
    Unemployed
    Ready to interview
  • Profession
    Back-end Engineer
    Blockchain Platform Engineer
    Node.js Developer
  • Fields
    Blockchain
    Ecommerce
    Software
  • Work experience
    6-10 years (6-10 years relevant)
  • Management
    I've had experience in managing 5-10 people
  • Skills
    Golang
    Solidity
    Blockchain
    Rust
    React.js
    Next.js
    Node.js
    Express.js
    Nest.js
    Web3.js / ether.js
    PyTeal
    WebSocket
    API Development
    API Integration
    API Documentation
    React Native
    WebRTC
    AWS EC2
    Docker
    MongoDB
    Firebase
    GraphQL
    PostgreSQL
    MySQL
  • Languages
    English
    Fluent
  • Highest level of education
    Bachelor

Job search preferences

  • Desired job type
    Full-time
    Remote Only
  • Desired positions
    Blockchain Developer, Back-End Developer
  • Desired work locations
    United States
    United Kingdom
    Canada
  • Freelance
    Full-time freelancer

Work Experience

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Full Stack Engineer

Nautilus Assure
Part-time
Jun 2023 - Present
Raleigh, NC, USA
Link: https://staging.nautilusfinance.io - Built the insurance platform based on blockchain multi chain network using Next.js + Tailwind CSS + Chakra UI + ethers.js + Hardhat. - Implemented the API integration with insurance platforms such as InsurAce.io, Neptune, etc. - Built the backend using Node-Red and implemented the integration using node-red web3 modules. - Implemented the real-time data feature using websocket. - Deployed frontend and backend on AWS EC2 instance and completed the configuration for the NGINX. Skills - Solidity, Hardhat - ethers.js, web3.js - Next.js, React.js - Node-Red, Express.js - MongoDB
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Back-End | Blockchain Engineer

DIVA Protocol
Part-time
Jul 2022 - Nov 2023
1 yr 5 mos
Raleigh, NC, USA
- Implemented the integration with 0x-API protocol, Node.js + TypeScript server and Apache Kafka service. - Have developed a transaction watcher project using Rust and deployed it to AWS. - Developed multichain smart contracts for finance and betting using Solidity and deployed it using TheGraph. - Built a test script using the chai and mocha modules. - Built and upgraded a backend for a finance app using Express.js and Docker, TypeScript and PostgreSQL, and deployed to AWS. Skills: - Rust, TypeScript - Actix Web, Express.js - Docker, AWS, TheGraph, WebSocket - PostgreSQL, GraphQL
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Backend Engineer

Teache
Part-time
Apr 2023 - Sep 2023
6 mos
Raleigh, NC, USA
- Implemented the integration between Golang and PostgreSQL database. - Implemented the real notification using Firebase notification. - Built the booking system features such as order, payment gateway integration, email sending, add/remove/edit class, group/private class feature, etc. - Built the API document using Golang swagger module. - Updated the admin panel using Next.js + Chakra UI. Skills - Golang, Gorm, Gin - TypeScript, Next.js - PostgreSQL, Firebase
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Front-End | Web3 Integration Engineer

Coinocracy
Full-time
Jul 2021 - Jun 2022
1 yr 0 mos
Raleigh, NC, USA
- Developed smart contract for DAO apps on Ethereum and Algorand blockchain networks using Solidity and PyTeal. - Implemented web3 integration using ethers.js and algo-builder. - Built the frontend part for my DAO app using Next.js and TypeScript and deployed it to Vercel. Implemented integration with Firebase database. Have built a unit test script using the chai, mocha modules. - Have built the backend part for the snapshot feature using Express.js and Docker. Implemented integration with PostgreSQL and deployed it to an AWS EC2 instance. Skills: - Solidity, Rust, PyTeal, TypeScript - Ethereum, BSC, Polygon, Solana, Near, Algorand, NFT marketplace & mint, web3 - Web3.js, ethers.js - React.js, Next.js - Docker, AWS, Vercel - PostgreSQL, MySQL, Firebase
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PHP Engineer

Upwork
Part-time
Nov 2015 - May 2021
5 yrs 7 mos
Kobe, Hyogo, Japan
- Developed a PWA project for the web version and admin panel using React.js and TypeScript. (https://bandwwith.com) - Built the backend part of PWA with Express.js and TypeScript, WebRTC and Avcore. Implemented the integration with MongoDB and API integration with frontend part and mobile app. (https://bandwwith.com) - Developed iOS and Android mobile apps using React Native and Avcore services to record one2one and many2many calls and upload them to online storage. I have pushed the app to the Apple app store and started upgrading the version. (https://bandwwith.com) - Built the fitness app with TypeScript + Next.js. Implemented the integration with Google Map. - Built a blog site using WordPress and Concrete5 . (https://plasticseurope.org) - Developed a car rental site using CorePHP (https://www.mecarz.com). - Built and customized a cooking ecommerce platform using Laravel and Laracast modules. (https://cookinmyhome.com) - Customized and updated an ecommerce module using CodeIgniter in Codecanyon. (https://www.viart.com) - Upgraded figurine ecommerce platform with Laravel and Larawire. (https://www.cadeaucity.com)

Education

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Master’s Degree
Computer Applications
2009 - 2015