EPAM Systems Lead Software Developer interview questions

Got call from EPAM recruiter from naukari.com. EPAM Lead React Developer. First will be online coding test, followed by two virtual technical interviews and one managerial discussion. Online Coding test: 90 Min coding test with one simple and one complex task. Build counter app in react. Build play list app with features Next, Previous, Loop features with React Context API. First Technical Interview: Interviewer asked me to write polyfil for Array.map, and another array related problem. Mostly concentrated on basics. hoisting, closure, this value, binding, forin vs forof vs forEach, Promises. in React useRef, ErrorBoundaries, useMemo, useCallback. SOLID principles. Second Technical Interview: Design pattterns, Array related problem. SOLID Principles. Managerial Interview: Technical discussion on how we can reduce webpage loading time. Interviewer was hurry, he has least intrest to attend interview, bit rude.