Employee onboarding is a process by which new hires get adjusted to the social and performance aspects of their job quickly and smoothly and learn the attitudes, knowledge, skills, and behaviors required to function effectively within an organization. Each year, nearly 25% of the working population undergoes some type of career transition. Turnover is expensive, so it is important to support new employees with comprehensive onboarding to ensure their success. However, ineffective onboarding strategy may results higher labour turnover and lower employee morale. This paper aims to understand the employee onboarding process, its effectiveness and some innovative techniques used for effective employee onboarding in modern days.