tavarisbrown

Senior Blockchain Engineer

Experienced blockchain engineer with extensive expertise in decentralized finance (DeFi), non-fungible token (NFT) ecosystems, and multi-chain smart contract development. Professional background includes leadership roles such as Technical Team Lead at ChainGPT, Senior Blockchain Engineer at ChainLink, and Project Lead Developer at Yearn Finance, with a career spanning advanced work in React-based Web3 user interfaces, Solidity contracts, Solana integrations, zk-SNARKs for privacy, and Layer-2 scaling solutions. Demonstrated proficiency in cutting-edge technologies such as Ethereum, Binance Smart Chain, Solana VRF, GraphQL, Anchor Framework, Server-Side Rendering (SSR), and OpenZeppelin libraries to enhance application performance and security. Holds a Bachelor’s degree in Computer Science from the University of South Carolina with notable academic achievements in advanced algorithms and cybersecurity fundamentals. Career highlights include optimizing gas fees by 40%, achieving significant reductions in transaction finality times and system latencies, and managing projects involving billions in Total Value Locked (TVL). Seeking opportunities that leverage expertise in blockchain innovation focusing on scalable decentralized applications, multi-chain integrations, or AI-driven innovations within the DeFi ecosystem.

Experience: 8 years

Yearly salary: $120,000

Hourly rate: $70

Nationality: 🌏 Remote

Residency: 🇺🇸 United States

Experience

Technical Team Lead

ChainGPT

2023 - 2024

Designed and deployed Solidity smart contracts tailored for AI-driven DeFi trading automation and NFT marketplaces. Developed React-based Web3 user interfaces to enable functionalities for AI-powered NFT generation and trading platforms. Integrated Solana smart contracts using the Anchor Framework and Solana Web3.js, achieving a 40% reduction in transaction finality time. Implemented zk-SNARK authentication methods to enhance privacy measures for AI-generated NFT collections. Conducted frontend performance optimizations, resulting in a 30% decrease in dApp load times through efficient use of React and Server-Side Rendering (SSR) with Next.js. Oversaw a team of over 10 engineers, coordinating successful integration of blockchain smart contracts with Web3 frontends. Directed end-to-end development processes to ensure high-quality delivery of decentralized application (dApp) features aligned with business goals. Contributed to technology strategy by aligning blockchain innovations with trends in AI and DeFi ecosystems.

Senior Blockchain Engineer

ChainLink

2022 - 2023

Designed and implemented bespoke Chainlink oracle solutions to ensure secure and reliable on-chain data feeds for use in DeFi and NFT applications. Developed staking and governance smart contracts utilizing Solidity and OpenZeppelin, achieving a 25% reduction in gas costs. Created a cross-chain Web3 analytics dashboard using React, Web3.js, viem, and GraphQL, resulting in a 35% improvement in user engagement. Optimized interactions with Solana VRF (Verifiable Random Function) contracts, reducing latency in randomness generation by 20%. Performed security audits of Ethereum and Solana smart contracts, proactively addressing vulnerabilities such as front-running risks and oracle manipulation. Contributed to the efficiency of decentralized applications by integrating cost-effective infrastructure solutions for blockchain ecosystems. Enhanced team workflows through collaboration on advanced protocols for gas optimization and improved randomness mechanisms. Delivered technical improvements fostering secure, scalable blockchain functionality for multi-chain environments.

Project Lead Developer

Yearn Finance

2021 - 2022

Development of automated yield farming contracts, managing over $5 billion in Total Value Locked (TVL) across Ethereum and Binance Smart Chain (BSC). Implementation of a custom decentralized finance (DeFi) staking user interface using React and Ethers.js to streamline transaction processes for yield farming participants. Integration of Layer-2 scaling solutions on Arbitrum and Optimism, leading to a 40% reduction in gas fees for smart contract executions within Yearn Finance. Design of governance smart contracts incorporating on-chain voting mechanisms via Snapshot and Governor Bravo to foster decentralized decision-making. Creation of a real-time DeFi analytics dashboard utilizing The Graph and React to monitor and display vault performance metrics dynamically. Collaboration on innovative blockchain solutions aimed at enhancing operational efficiency and scalability in decentralized applications. Optimization of the user experience within the yield farming ecosystem by addressing technical bottlenecks and implementing workflow enhancements. Contribution to the development and maintenance of secure, reliable smart contracts aligned with industry-leading best practices in DeFi protocols.

Blockchain Engineer

Unicsoft

2017 - 2020

Designed and deployed cross-chain DeFi applications supporting Ethereum, Polygon, and Solana to enable enhanced interoperability and usability across blockchain ecosystems. Developed React-based Web3 frontends for token swaps and staking dashboards, ensuring seamless user interaction and improved functionality. Created a Solana-compatible NFT minting UI with integrated Phantom wallet authentication for secure and efficient user transactions. Built and optimized Solana validator nodes, achieving a 35% reduction in network latency and improving overall performance. Engineered robust GraphQL and REST APIs backends for decentralized applications (dApps) to facilitate smooth smart contract interactions. Focused on scalability and performance enhancements throughout all development stages of decentralized systems. Delivered innovative blockchain solutions while adhering to best practices in smart contract integration and frontend/backend architecture. Conducted code optimization processes to improve reliability, reduce execution time, and enhance the end-user experience across multiple platforms.

Skills

agile

backend

front-end

git

golang

project-manager

python

rust

solana

typescript

web3js

solidity

english

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