"Chris Krycho, a well-known software engineer and blogger, shared his experience working on a large codebase at LinkedIn. He discussed how much velocity was valued over engineering excellence, which led to burnout and the decision to leave the company. Chris also mentioned the concept of "Ratchets," small, incremental changes that can be made to improve software development processes and tools. He is currently looking for a new role that aligns with his personal values and priorities."