charles730

Senior Blockchain Engineer

Results-driven Senior Blockchain Engineer with over 10 years of experience in designing and implementing innovative blockchain solutions. Expertise in smart contract development, decentralized applications, and tokenomics, with a strong focus on security and scalability. Proven track record in leading cross-functional teams to deliver high-impact projects in the DeFi space.


Experience: 6 years

Yearly salary: $170,000

Hourly rate: $90

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States


Experience

Senior Blockchain Engineer
ConsenSys
2022 - 2024
Spearheaded the development of a multi-chain DApp using Ethereum and Polygon, enhancing cross-chain interoperability to empower decentralized finance solutions aligned with Consensys's vision for a decentralized future. Engineered a robust governance model for a DAO project, leveraging OpenZeppelin's governance framework, which improved community engagement and streamlined decision-making processes. Optimized smart contract performance through advanced gas optimization strategies, significantly reducing transaction costs and improving user experience in a high-traffic environment. Conducted thorough security audits of proprietary smart contracts using Slither and MythX, identifying vulnerabilities and implementing fixes that reinforced platform security and aligned with industry best practices. Collaborated with product teams to integrate decentralized identity solutions, enhancing user privacy and compliance with regulations, thus reinforcing Consensys's commitment to ethical blockchain innovation. Mentored junior engineers in best practices for blockchain development and emerging technologies, fostering a culture of knowledge sharing and innovation that reflects Consensys's core values.
Blockchain Developer
Propy
2017 - 2022
Architected and deployed smart contracts for a digital escrow solution that incorporated DeFi protocols, enabling automated liquidity provisioning and reducing operational costs by 30%. Developed an NFT platform for tokenizing real estate assets, utilizing ERC-721 and ERC-1155 standards, which facilitated over 1,000 successful token sales and improved market access for sellers. Integrated IPFS for decentralized document storage, ensuring secure and immutable property records, addressing challenges related to data integrity and accessibility in traditional real estate processes. Executed thorough security audits and performance optimizations of smart contracts using tools like MythX and Slither, identifying and resolving 15 critical vulnerabilities before launch, reinforcing platform security. Collaborated with UX/UI teams to implement Web3.js and Ethers.js in user interfaces, enhancing user engagement and streamlining onboarding processes, which resulted in a 40% increase in platform sign-ups.
Full Stack Developer
Modis
2014 - 2017
Developed dynamic web applications using the MERN stack (MongoDB, Express.js, React, Node.js), incorporating Redux for state management to enhance application scalability and maintainability. Designed and optimized database schemas in MongoDB, utilizing Mongoose for data modeling and ensuring robust data validation and relationships between collections. Conducted unit testing with Jest and end-to-end testing using Cypress, improving code quality and reducing bugs in production environments.

Skills

ethereum
full-stack
golang
javascript
nextjs
react
solana
ton-developer
typescript
web3js
rust
english