You have to pay taxes on your part-time nanny. Many employers think part-time nannies aren’t “real” employees so they don’t have to pay taxes on them.You still need a detailed nanny contract. Even though your nanny will only be working part-time, you should still create a comprehensive nanny contract. Split shifts are next to impossible to fill.The typical part-time nanny only commits to providing short-term care. Most part-time nannies have other commitments to work, school or family. To keep a part-time nanny long-term, you have to offer full-time benefits. It’s not impossible to keep a part-time nanny for several years. However, it means that you have to offer her a competitive benefits package as an incentive. This usually includes guaranteed hours, paid vacation and paid holidays. Invest the time needed to develop a good employment relationship.