I want to make a career in Electronic Repair Job. So please tell me how should I prepare for this? Go to Source

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What all I have to prepare.Actually our domain is Payment processing. Most of the work will be done by our Core part.Like writing to the database..so on..We should override some of the methods according to the Specification of the Payment processor..Please please please help me how can I should do well in the Interview..My interview [...]