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Renzo Chua

@renzochua

Senior Software Engineer building React and Node.js apps, AI contract auditors, and Ethereum wallet analyzers.

As an Independent Consultant, I build full-stack client apps with React and Node.js, backed by SQL or DynamoDB and AWS services. I also built an AI smart contract auditor in Python that retrieves verified source from Etherscan, flags risks such as reentrancy and missing access control, and explains its findings with an LLM.

I’ve built an Ethereum wallet analyzer that scores transaction behavior and explains risks, along with a Telegram bot for crypto price alerts. At Starpoint Technologies, I delivered React and Node.js features and built blockchain flows that displayed wallet balances and token transfers, indexing Bitcoin and Ethereum transfers into PostgreSQL.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Independent Consultant

Aug 2022 - Present (4 years 2 months)

Built full-stack client web apps in React and Node.js, including forms, search, account flows, and REST APIs backed by SQL and DynamoDB. Developed AI-powered tools such as a smart contract auditor and an Ethereum wallet analyzer.

React NodeJS SQL DynamoDB AWS Lambda S3 SQS SNS CDK Python fastAPI LLM Etherscan Ethereum Solidity Telegram Bots Railway API Testing End To End Testing

Software Engineer

Starpoint Technologies

May 2019 - Jul 2022 (3 years 2 months)

Delivered full-stack features in React and Node.js for several client projects. Built blockchain client flows and indexed Bitcoin and Ethereum transfers into PostgreSQL.