Bro online nw memar yalebeh, mnem aynet school even bizu birr betaweta erasu online endemtagegnew content ayhonem for sure. PC azegah wifi yasfelgehal beka. internetmadecoder yemibal channel ale kesu lay bizu referenceochen magegnet tichlaleh. coding as a general memar kefelek gn ALX software engineering bleh search argna temezgeb. And about the time it takes, it really depends on how much time you will spend, how smartly you spend it. if you don't have any coding experience it is gonna take some more time. as for certificates they are not really important the job usually is about delivering what is expected of you, so don't worry about that