Recently many students have received OA invitations from MathWorks (parent company of MATLAB). Just finished this test, and overall it gave me...

I just got the Optiver SDE offer and was really excited. Reviewing down the whole process in one go, but the difficulty is really not the usual algorithm...

OA's for IBM Data Scientist positions are opening up again this year. This time one of our Programhelp ...

I just recently completed an online technical interview with Karat, and the experience was pretty unique this round. Not quite the same as the usual Zoom + LeetCode...

If Google's interviews are algorithmic speed races, and Amazon's are Leadership principle examinations, then Apple I...

Akuna's 2026 OA has recently been sent out, especially for QR, SDE, and MLE, and almost every student has...

This time let's talk about the complete experience of interviewing for Data Scientist at Roche. Overall, I think the interview atmosphere at Roche...

This time I would like to share a student's Visa 2026 New Grad OA experience. The overall feeling is almost the same as TikTok's question bank...

I recently helped a schoolmate review her Roche Data Scientist interview. She was actually super nervous - she thought she was going to get all kinds of c...

Goldman Sachs OA has always been a bit "off the beaten path". Unlike other financial firms that favor mathematical derivation or SQL case...