Formal:
* ਸ਼ਾਬਾਸ਼! (Shabash!) - This is the most common and versatile way to express praise. It means "Well done!" or "Bravo!"
* ਤੁਸੀਂ ਬਹੁਤ ਵਧੀਆ ਕੀਤਾ ਹੈ। (Tusi bahut vadhiya kita hai.) - This means "You have done very well."
Informal:
* ਬਹੁਤ ਵਧੀਆ! (Bahut vadhiya!) - This is a simple and friendly way to say "Great job!" or "Excellent!"
* ਆਹ ਤਾਂ ਬਹੁਤ ਵਧੀਆ! (Aah taan bahut vadhiya!) - This is a more informal way to say "Wow, that's great!"
* ਤੁਸੀਂ ਚੰਗਾ ਕੀਤਾ ਹੈ। (Tusi changa kita hai.) - This means "You have done well."
Other options:
* ਬਹੁਤ ਸ਼ੁਕਰੀਆ (Bahut shukriya) - This means "Thank you very much" and can be used to express appreciation for someone's good work.
* ਮੈਨੂੰ ਤੁਹਾਡੇ ਤੇ ਮਾਣ ਹੈ (Mainu tuhade te maan hai) - This means "I am proud of you" and can be used to express pride in someone's achievement.
The best way to say "good job" in Punjabi depends on the context and your relationship with the person you are speaking to.