In the sprawling, noisy marketplace of Udemy—where millions compete for attention with flashy thumbnails, overproduced trailers, and dubious promises of "become an expert in 30 days"—one man has achieved a cult-like status using almost no visual effects, no corporate hype, and a broken marker pen.
Abdul Bari isn’t just an instructor. He is the rite of passage for cracking the coding interview. Unlike many online "gurus" with fabricated backstories, Bari’s credentials are refreshingly grounded. An educator and software engineer with a master’s degree from the Indian Institute of Technology (IIT) Kharagpur, Bari spent years in the corporate trenches before pivoting to teaching. He is the founder of the YouTube channel "Abdul Bari" (later extended to Udemy), where his lectures on algorithms began quietly going viral—not because of SEO tricks, but because desperate students would share the links on Reddit and Stack Overflow with the same urgent message: "Watch this. You will finally understand." udemy abdul bari
As one LinkedIn review put it: "Before Abdul Bari, I feared trees. After Abdul Bari, I am the tree." You will finally understand
His flagship Udemy course, "Mastering Data Structures & Algorithms using C and C++," remains one of the highest-rated and best-selling technical courses on the platform years after its release. Why does Bari work when so many others fail? If you are currently grinding LeetCode
Essential for CS students and FAANG aspirants. The gold standard for algorithmic thinking. (Just be ready to learn C++ syntax along the way.)
His name is Abdul Bari.
If you are currently grinding LeetCode, staring at a "Time Limit Exceeded" error, and feeling like a fraud—do a search on Udemy. Look for the man with the whiteboard. The marker is waiting.