CODE REVIEW AUTOMATION: Catching 43% More Security Issues with AI The Pain of Manual Review — 27 Hours Spent Reviewing 1,200 Lines of Code As a solo developer, I once spent 27 hours reviewing 1,200 lines of code for a client's e-commerce platform built with Node.js and Express.js. I used tools like ESLint and Jest for testing, but I still missed 3 critical security vulnerabilities that were later discovered by the client's security team. This experience taught me the importance of thorough code review, but also the limitations of manual review. The Manual Way — 5-Step Process Taking 3.5 Hours per 100 Lines Manual code review involves a time-consuming process that can be broken down into 5 steps: (1) reading the code line by line, (2) checking for syntax errors, (3) testing for functionality, (4) reviewing security best practices, and (5) documenting feedback. On average, this process takes around 3.5 hours per 100 lines of code, which translates to 42 hours for 1,200 lines.…