hcrypto9

Senior Web3 | Frontend | Backend Developer

Hello,I am an seasoned blockchain developer with expertise across multiple platforms and languages.

I have worked extensively with Solidity, Rust, and Solana for writing smart contracts on Ethereum, Polygon, and Aptos networks.On the frontend, I have built Dapps using React, NextJS, and Vue leveraging Web3.js, Ethers.js and styled with TailwindCSS, Figma and Bootstrap.

On the backend, I have used NodeJS, C#, GoLang to build REST APIs, GraphQL, and integrate with databases like SQL Server, MongoDB, and PostgreSQL. I also have experience with SubGraph for indexing blockchain data.

Beyond coding, I am familiar with agile methodologies like Git, Jira, and Kanban for project management.I am eager to join a team where I can continue growing as a blockchain developer and build the decentralized future.

Yearly salary: $60,000

Hourly rate: $40

Nationality: 🇸🇬 Singapore

Residency: 🇺🇸 United States

Experience

Senior Blockchain Developer

DESO

2021 - 2023

As a blockchain developer, I specialized in utilizing a diverse tech stack that included Next.js, Tailwind CSS, Solidity, Hardhat, GraphQL, PostgreSQL, Web3.js, and Ethers.js for various blockchains such as Polygon, Solana, and Ethereum. My expertise was instrumental in contributing to both front-end and back-end development for blockchain projects. I collaborated with my team using Jira for seamless teamwork and leveraged GitHub for version control. One of the notable projects I contributed to is HeroSwap, a widely adopted platform in the blockchain ecosystem.

Lead Smart Contract Developer

RMRK

2019 - 2021

As the lead smart contract developer, I specialized in using Solidity and Rust for various blockchains such as Polygon, Solana, and Ethereum. I worked with multi-chain environments, particularly focusing on the main project of the company, Singular NFT Marketplace, operating across multiple blockchains.

Skills

crypto

dapp

defi

ethereum

graphql

javascript

nextjs

smart-contract

solana

solidity

tailwind

typescript

web3

english

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