When onboarding new developers, companies face the challenge of integrating them into a complex environment of new teams, projects, and technologies, which can significantly impact their retention and productivity. Effective onboarding is crucial, especially in remote or hybrid work settings, where fostering connection and clarity is more challenging. Traditional methods like "sink or swim" or marathon meetings often fall short, as they either overwhelm or inadequately prepare new hires by not addressing unknown gaps in knowledge. The article suggests a balanced onboarding approach that combines structured guidance with agile, self-paced learning, emphasizing the importance of providing a big-picture understanding of the company, role, and product. By incorporating tools such as full-stack session recordings, companies can enhance new engineers' comprehension of system architecture and debugging processes, bridging the gap between theoretical knowledge and practical application, and ultimately accelerating their integration and productivity.