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Hi, I’m Andrew Gonzalez, a blockchain engineer with over six years of experience building smart contracts, decentralized applications, and backend systems. I have worked on Ethereum and Solana, developing and auditing smart contracts, optimizing gas usage, and integrating blockchain features into full-stack applications. I focus on writing secure, reliable, and maintainable code and have experience leading engineering teams and collaborating on cross-chain projects.…Hi, I’m Andrew Gonzalez, a blockchain engineer with over six years of experience building smart contracts, decentralized applications, and backend systems. I have worked on Ethereum and Solana, developing and auditing smart contracts, optimizing gas usage, and integrating blockchain features into full-stack applications. I focus on writing secure, reliable, and maintainable code and have experience leading engineering teams and collaborating on cross-chain projects.

Andrew Gonzalez

Full Stack Developer, Blockchain Developer, Web Developer, +2

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Hi, I’m Andrew Gonzalez, a blockchain engineer with over six years of experience building smart contracts, decentralized applications, and backend systems. I have worked on Ethereum and Solana, developing and auditing smart contracts, optimizing gas usage, and integrating blockchain features into full-stack applications. I focus on writing secure, reliable, and maintainable code and have experience leading engineering teams and collaborating on cross-chain projects.…Hi, I’m Andrew Gonzalez, a blockchain engineer with over six years of experience building smart contracts, decentralized applications, and backend systems. I have worked on Ethereum and Solana, developing and auditing smart contracts, optimizing gas usage, and integrating blockchain features into full-stack applications. I focus on writing secure, reliable, and maintainable code and have experience leading engineering teams and collaborating on cross-chain projects.

Available to hire

Hi, I’m Andrew Gonzalez, a blockchain engineer with over six years of experience building smart contracts, decentralized applications, and backend systems. I have worked on Ethereum and Solana, developing and auditing smart contracts, optimizing gas usage, and integrating blockchain features into full-stack applications. I focus on writing secure, reliable, and maintainable code and have experience leading engineering teams and collaborating on cross-chain projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Ondo Finance

September 1, 2025 - September 1, 2025

Led a team of 6 in development of lending & borrowing protocols and specializing in cross-chain architecture for dApps improving security, scalability, and compliance. Developed and audited smart contracts for a lending and borrowing protocol (v2) with risk isolation and a revenue-sharing model, boosting TVL by $68M+ in three months. Optimized smart contracts to reduce transaction fees by 10% and improve user experience across EVM chains (Ethereum, Base, BNB Chain, Arbitrum, Polygon) as well as Solana, helping expand the user base. Implemented a Next.js frontend with GraphQL queries to The Graph subgraphs for real-time cross-chain data, and tested interfaces using Jest and React Testing Library to ensure reliability, contributing to 80,000+ daily users.

Smart Contract Engineer at Fractal Wagmi Inc

August 1, 2022 - August 1, 2022

Led development of NFT marketplace, generating $2M in on-chain transactions in the first year. Wrote and optimized Rust based programs on Solana, reducing gas fees by 10%. Collaborated with 5 developers to launch a decentralized application to production, focusing on scalability and security.

Smart Contract Developer at Serum

September 1, 2021 - September 1, 2021

Developed Solana programs in Rust for tokenization projects, supporting 5,000+ active wallets. Built Rust-based APIs to connect dApps with blockchain, high-performance backend integration.

Backend Engineer at Serum

August 1, 2020 - August 1, 2020

Developed scalable backend services with RESTful APIs, integrating crypto wallets and exchanges, using Node.js, PostgreSQL, and Redis, enabling real-time data synchronization and improving data accuracy by 30%. Optimized CI/CD pipelines using Docker, GitHub Actions, and Azure, reducing deployment time by 30%.

Web3 Full Stack Developer at Softeq Development Corp

December 1, 2018 - December 1, 2018

Built and deployed Web3 applications, boosting performance 30% via optimized full-stack architecture. Streamlined release cycles with CI/CD pipelines Jenkins, Docker, and Terraform on AWS (ECS, S3, RDS), reducing deployment time by 25%, while delivering high-performance Web3 applications for SMEs.