Walmart Senior Software Engineer – React ReactNative interview questions

Applied through Walmart portal. After 5 days recruiter reached out, and was asked to complete Karat assessment. In the Karat assessment was asked React question along with design a input field just using HTML and CSS. After 2 days recruiter informed that I cleared the assessment and will be having 4 virtual interview with the team. Round 1: Was asked to complete the Todo List on hackerrank along with finding the group of anagrams in the array. Round 2: Was asked in depth React questions along with a React Native coding question for changing the theme of the the app. Round 3: Was asked to design a notification engine that will handle 1 million users. Round 4: This was hiring manager round, but surprisingly was asked to code to todo list for adding todo just using HTML/JS. Next day recruiter informed me that I have cleared all the rounds and they will be extending offer in 2 days.