thomas0114

Senior Full Stack & Blockchain Developer

Hi, my name is Thomas Ken.
I'm a senior full-stack & blockchain developer looking for a new opportunity.
I have over 12 years of experience in building websites & web apps & software and 5 years of experience in blockchain projects.

I have strong experience in building frontend ui based on responsive features, translating UX/UI designs into interactive interfaces, and collaborating with the backend for API & web3 integrations.
And I'm highly experienced with web3 integration with smart contracts, hardhat/truffle/remix, building dapps, NFT marketplace (mint, buy, sell, staking, auction, etc), so I have been working in the blockchain field for around 5 years.

As a senior developer, I have extensive knowledge and experience in
● Frontend: HTML/ HTML5, CSS/ SCSS, Javascript/ Typescript, Pixel Perfect/ Responsive Design, Bootstrap/ Tailwind/ Material UI/ Styled Components, React.js/ Angular.js/ Vue.js / Next.js/ Vite.js …
● Backend: Node.js/ Express.js, C#, Python …
● Blockchain: Web3.js/ Ether.js, Smart Contract(Solidity/ Rust), Wagmi, Hardhat/ Truffle/ Remix, Dapps, Cex, NFT Marketplace, P2E, Alchemy, crypto wallets, evm networks ( ethereum, bsc, avax, etc), solana, IOTA, phantasma …
● Database: MySQL, MongoDB, SQLite, Amazon DynamoDB, S3, PostgreSQL, Supabase ...
● Mobile: React Native, Java, Flutter, Kotlin ...
● PM Tools: Github, Gitlab, Trello, Monday, Bitbucket, Jira ...
● Services: Netlify/Vercel, Docker, AWS, Azure, Amplify, Heroku, IPFS ...
● Others: Figma, Adobe XD, Webflow, Linux, nginx, Hostinger …

I can work over 40 hours per week as full-time, of course both part-time and full-time work forme.
Also, I am available to start working immediately.
Check these and let me know if you have any works or opening positions for me.

Best Regards
Thomas Ken

Experience: 11 years

Yearly salary: $116,000

Hourly rate: $60

Nationality: 🇯🇵 Japan

Residency: 🇨🇦 Canada

Experience

Lead Full-Stack & Blockchain Engineer

Flappy Bee

2023 - 2024

• Worked as a full-stack and blockchain engineer with core-teammates. • In this project, I have built Flappy Bee’s entire website and dapp. I contributed to building both frontend & backend even building smart contracts as staking based on Ethereum network. I used MERN stack to store all players scores into MongoDB once connect their wallets, and implemented reward system using auto withdraw function in backend side. So, users can see their scores and history in real time and can get rewards based on their scores. Also, built p2e game as flappy and then add some game logic to make it fun depending on BEE NFT. • Skills: react.js, typescript, material-ui, styled-components, figma, pixel perfect/mobile responsive, node.js/express.js, mongoDB, ether.js, hardhat, token & staking smart contracts, contract audit, NFT, social sharing, referral system, netlify, github, postman, nginx, Hostinger, google cloud

Frontend & Blockchain Developer

Lovely Inu Finance

2023 - 2023

• Worked as a frontend & blockchain developer with CMO. • I have built frontend ui of lovely's chain explorer using react.js + material-ui + styled-components based on figma design, also fixed issues of dex integration and wallet connection in lovely swap. Reviewed application requirements and interface designs to ensure compatibility with existing projects. • Skills: react based on typescript, material-ui, styled-components, figma, ether.js, remix, pixel perfect & mobile responsive, chain explorer as blockscout, netlify, github

Frontend & Web3 Developer

MCVERSE

2023 - 2024

• Worked as a frontend & web3 developer in the core-team. • In this company, I have built and updated three projects with their CTO, project manager and lead backend developer. I have mostly worked in building frontend ui using react.js(or next.js) ,material-ui, styled components based on figma design and then integrated frontend to smart contract using ether.js. These all projects are related with metaverse, NFT marketplace and p2e games related to car-racing based on avax network. Determined the structure and design of web pages based on user requirements and balanced functional & aesthetic designs. • Skills: react.js/next.js, styled-components/material ui, pixel perfect/mobile responsive, figma, avax network, ether.js, wagmi, docker, dexscreener, NFT Marketplace, p2e, vercel, github

Project Manager & Lead developer

SANDY GAMES

2023 - 2023

• Worked as a project manager and lead developer. • Managed and developed both frontend & backend development, integration smart contract to frontend ui, solved some technical problems according to sandy games logic, even created all designs with my creativity and brain together with the founder. It's a really funny project including mint Sandy NFTs, NFT inventory, Treasure Quest games, reveal NFTs, wardrobe using NFT outfits, Sandy’s Collection, p2e with a twitter simple game and etc. Through features like Infusion, Nesting, Timed release, and Smart NFTs, it delivers unique and engaging experiences that enhance the gameplay and overall user experience. All are based on phantasma blockchain which provides with a comprehensive toolkit for innovation, enabling us to create interactive and adaptable assets that push the boundaries of what is possible. • Skills: react.js, creative and original designs, material-ui, styled-components, mobile responsive, node.js/express.js, mongoDB, tomb, phantasma network, NFT smart contract, wallet connect as poltergeist and ecto, github, Jira, docker, netlify, nginx, IPFS

Full-Stack Engineer

CryptoVero.fi

2022 - 2022

• Worked as a full-stack engineer alongside the company’s strategist. • Built CryptoVero.fi website using MERN stack and implemented backend api endpoints of crypto tax analysis & calculation, and transactions of cex, dex and etc. Arranged components for maximum performance across a vast array of web-capable devices and browsers. • Skills: MERN stack, mui/styled-components, figma, node.js, express.js, crypto tax analysis & calculation, api of coinbase & binance & ethereum & tokentax & taxbit, github, netlify, webhotel

Backend & Smart Contract Developer

Block Ape Scissors

2022 - 2022

• Worked as a backend and smart contract developer. • Implemented trading bot, BAS api for transaction listener and built smart contract of BAS. • Skills: node.js, express.js, web3.js, mongoDB, mongo atlas, mongo compass, solidity, hardhat/remix, api of Ethereum, covalenthq & moralis, github, Heroku, postman

Web3 Engineer

Dtravel

2022 - 2022

• Worked as a web3 engineer in the blockchain team. • Built frontend and vault staking smart contract, and then integrated frontend ui to the staking smart contract. • Skills: react.js, styled-components/mui, figma, ether.js, hardhat/remix, vercel, digital passport, smart contracts (token, staking, pool), evm networks (ethereum, bsc and etc), trello, github

Full-Stack Engineer

Coin Nerds

2022 - 2022

• Worked as a full-stack engineer with CEO of Coin Nerds. • Updated website and implemented getting forex & crypto currency price using node.js in real time. • Skills: react.js, material-ui, node.js, api of forex & apilayer, foreign exchange (FX) trading, finance, github, nginx, netlify, crypto currencies, crypto wallets, cloudfare

Full-Stack Engineer

CryptoVero.fi

2022 - 2022

Lead Full-Stack & Blockchain Engineer

Alien Inu & The HUNT Dao

2022 - 2024

• Worked as a lead full-stack and blockchain engineer with co-founder. • Updated frontend ui of Alien Inu’s dashboard and displaying chart page. Designed The Hunt Dao website based on webflow, built the frontend ui of The HUNT Dao using react.js & material-ui & styled-components, implemented getting real time price & coinmarketcap & volumn & etc using node.js, and built smart contracts of staking, NFT marketplace using solidity, after then integrated frontend to smart contracts using web3.js. • Skills: react.js, styled-components/mui, figma/webflow, node.js, web3.js, IPFS, hardhat, github, smart contracts(staking, nft marketplace), netlify, api of moralis/covalenthq, Monday(PM Tool)

Lead Frontend & Web3 Developer

IotaOrigin

2022 - 2023

• Worked as a lead frontend & web3 developer. • Managed design of website & staking pool & NFT swap’s frontend ui and built frontend using next.js, after then integrated frontend with smart contract of staking pool & nft swap using ether.js & wagmi(React Hooks for Ethereum). Produced high-quality mockups & designed different prototypes and provided high-quality graphics & visual elements for the website. • Skills: next.js, creative and responsible design, ether.js, mui/styled-components, figma, wagmi, github, remix, hardhat, netlify, NFT staking, IOTA network, docker

Core Blockchain Engineer & Frontend Developer

AiR – Adventures in Reality

2022 - 2023

• Worked as a core blockchain engineer and frontend developer. • In this company, I have worked as a core blockchain engineer with their CTO and built AiR NFT Factory called ANF by using solana-cli-tool and forking metaplex, this project is based on MERN stack to track all logs and information of minting NFTs in solana network. And I have worked as a senior frontend developer with their on-site teammates and then built CEO’s whole project called “Ocean Park” that collaborates with AiR Metaverse to deliver Metaverse-to-Go, also built another web3 projects called “Eatie” and “Moove” that uses AiR citizen NFTs. Implemented front-end architecture to support user interface concepts with 100% accuracy. • Skills: MERN (react.js+node.js+express.js+mongoDB) stack, jquery, material-ui, styled-component, figma, solana, rust, solana-cli-tool, metaplex, metaboss, strapi, cms, polygon, hardhat, ether.js, CI/CD, payment integration, Bitbucket, nginx, aws-s3, docker, github/ gitlab, postman

Blockchain Developer

Safu Network

2021 - 2022

• Worked as blockchain developer of Safu Network Team. • Built dex platform of Safu Network called SAFUNET DEX by forking pancake swap. • Skills: react.js, web3.js/ether.js, hardhat, smart contracts, forking pancake/biswap/uniswap

Full-Stack & Web3 Engineer

bitsCrunch

2019 - 2021

• Worked as a team member of blockchain technology solution. • Built reusable code for future use and web pages for 5 applications and scalability. Developed web3 applications as staking platform, DeFi and NFT marketplace using mostly react.js, material-ui and figma designs, and then integrated frontend ui to smart contracts by web3.js. • Skills: react.js/vue.js, solidity(ERC20, 720, 777, 1155,BEP20), hardhat/truffle/remix, web3.js/ether.js, node.js/express.js, mongodb, github, trello, figma/adobe xd, nginx, api of ethereum & binance, trello

Frontend & Full-Stack Developer

METICULOSITY

2015 - 2019

• Worked as a frontend developer for 3 years, full-stack developer for 2 years. • Identified web-based user interactions and developed responsive user interface components via PHP and Javascript frameworks concepts. Assisted in developing the front-end of web2 projects such as marketing, advertising, medicine and school websites. • Skills: html, css/scss, bootstrap/tailwind, php, codeigniter(CI), laravel, modal-view-controller(mvc), angular/react.js, node.js, express.js, mysql, postgresql, magento, github, figma, aws, nginx, linux, jira

Skills

agile

amazon

api

aws

backend

bootstrap

c-sharp

cosmos

crypto

css

dapp

docker

ethereum

ethereumjs

evm

firebase

freelance

front-end

full-stack

full-time

git

graphql

hardhat

heroku

integration

javascript

jira

linux

mern

metaverse

mongo

nextjs

nft

nginx

node

php

postgres

product-manager

project-manager

python

react

remix

rust

smart-contract

solana

solidity

tailwind

truffle

typescript

vue

web3

web3js

work-from-home

english

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