The UK government places restrictions on the following jobs for students: 1. Be a self-employed or working freelance 2. Initiate a business activity 3. Full-time permanent job 4. Professional sportsperson including sport coach 5. Work as an entertainer 6. Work as a dentist or a doctor in training, except when you’re part of a foundation program. To know more about the guidelines of working while studying on the UKCISA website. (source)