ADD Software Development Engineer In Test (SDET) interview questions

First round Assignment Submission Zomato has divided its customers into 3 segments [p1,p2,p3]. Based on these segments different offers are applied to them on the cart page. The offers can be of type FLAT x amount off or FLAT x% off. Flat x amount off eg - if x is 10 and total order amount before offer was rs.200 and then finally customer has to pay only 190 Flat x% off eg - if x is 10 and total order amount before offer was rs.200 and then finally customer has to pay only 180 You are given API to add offers to a restaurant for a customer segment Sample request - POST - /api/v1/offer {“restaurant_id”:1,”offer_type”: “FLATX”, “offer_value”:10, “customer_segment”:[“p1”]} Sample response - {“response_msg”:”success”} You have to write test cases for the cart api for different scenario of offers on a restaurant Sample request for applying offer POST /api/v1/cart/apply_offer {“cart_value”:200,”user_id”:1,“restaurant_id”:1} Sample response - {“cart_value”: 190} Note: For this you have to mock the api to fetch segment of a user for it to work. Following mock is added by default Sample request - GET /api/v1/user_segment?user_id=1 Sample response - {“segment”:”p1”} Round 2(60min) PSDS Prepare DSA Mainly Arrays Interviewr gave 2 problems 1.Group 0,1,2 Dutch National Flag Problem 2.maximum subarray sum divisible by k (Cleared) Round 3 Design Round Design API testing framework from scratch in 90 min cleared Round 4 Hiring Manager All About previous project done in company (Rejected in this round)