bitbyrose

Senior Solidity Developer

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  Innovative and detail-oriented Blockchain & Full Stack Developer with over 7 years of experience in building smart contracts with Solidity, decentralized applications (dApps), and full stack systems. Proven track record of developing secure Web3 solutions, integrating Ethereum-based smart contracts, and deploying robust frontend/backend systems using modern tech stacks. Passionate about decentralized technologies and solving real-world problems using blockchain. 



🔹 Core Skills


  • Blockchain & Smart Contracts: Solidity, Ethereum, EVM, Hardhat, Truffle, OpenZeppelin, Chainlink, Web3.js, Ethers.js
  • Frontend: React.js, Next.js, TypeScript, HTML5, CSS3, Tailwind CSS
  • Backend: Node.js, Express.js, Python (FastAPI/Django), REST APIs, GraphQL
  • Databases: MongoDB, PostgreSQL, Firebase, IPFS, The Graph
  • DevOps & Tools: Docker, Git, GitHub Actions, CI/CD, AWS, Infura, Alchemy, Ganache, Remix IDE
  • Other: Metamask Integration, NFT Standards (ERC-721, ERC-1155), DAO, DeFi protocols, Security (Reentrancy, Overflow)

Experience: 7 years

Yearly salary: $180,000

Hourly rate: $60

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States

Experience

Lead Blockchain Engineer
DTCC
2020 - 2023
Designed and deployed ERC-20 and ERC-721 smart contracts for NFT and token-based platforms. Built full-stack dApps using React, Web3.js, Solidity, and Node.js with wallet connection and smart contract interaction. Integrated Chainlink oracles for decentralized pricing and external data.
BlockChain and Full-Stack Developer
Accenture
2018 - 2020
At Accenture, I have helped clients understand how to leverage Blockchain in their existing systems. I have developied enterprise blockchain solutions and resources for internal use, a large mortgage industry and a consortium of insurance agencies. I have been responsible for designing performant solutions, developing high quality code, and presenting our solution to stakeholders.

Skills

aws
docker
machine-learning
nestjs
nextjs
node
php
python
react
solidity
web3
english
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