This is Komal Krishna. I am currently working as a Senior Software Engineer in American Express. I have previously worked for billion dollar tech companies where I have developed and scaled critical backend services that serve millions of users everyday. Having worked with elite companies like Grab, American Express, I can mentor you on how you can build a fulfilling career in companies like these. If you need help with Data structures and Algorithms, System Design, Java, backend engineering or interview preparation, hit me up.