Hi, I'm John, a highly skilled full stack software engineer based in the Bay Area. With expertise in creating complex web applications using React.js, Node.js, and Express.js, I bring a wealth of knowledge to every project I undertake.
Developed and deployed a full-stack financial modeling feature for an early stage fintech startup, resulting in increased user engagement and satisfaction
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Created an efficient and user-friendly tab system in a React-based web application, improving user experience and navigation between multiple dashboards
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Implemented a robust rate limiter in Node backend server to address potential DDoS attacks, ensuring high-level security of sensitive data
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Identified and resolved username enumeration vulnerabilities during Schellman penetration testing, leading to successful SOC 2 certification and enhancing the company's reputation
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Led the refactoring of end-to-end testing using Puppeteer, improving testing accuracy and achieving a 75% reduction in testing time, resulting in faster product releases and improved performance
