Joined since 2023
200 reviews

Hi, I'm JeffD

Interviewing since 2023
200 reviews
About the Provider
💼Alphabet (Google)
📍United States
This provider is verified
- 9 years at Google - 14 years of competitive programming - Deep expertise in algorithms and data structures
5.0(200 reviews)
Aim High
5.00
01/21/2025
Useful session. Provided actionable feedback.
Sam L
5.00
01/17/2025
As usual, exceptional coaching!
Gota Nakamura
5.00
01/13/2025
JeffD was very generous and helpful. I received good advice on specific practical ways to improve my performance in coding interviews.
A A
5.00
01/10/2025
Great mock interview! Provided actionable feedback and insights into my preparation level!
Shashank Saurabh
5.00
01/10/2025
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Mohammed Gazal
5.00
01/10/2025
Provided good feedback. Also, asked a good system design question
Sam L
5.00
01/08/2025
Above-and-beyond and advanced algorithmic coaching and guidance as usual. Highly recommend!
Mike L
5.00
01/03/2025
JeffD chose an appropriate problem for the mock interview and dynamically increased its scope based on my progress. The depth of his knowledge was evident as he provided actionable feedback and shared various ways to improved my proposed algorithm. Highly recommend!
Nick Chow
5.00
01/03/2025
Jeff's is a great person to interview with. He provides representative problems, strong feedback, and good actionable items. Jeff also adds in time to showcase more advanced optimization topics and insights into further solution optimization. I highly recommend interviewing with Jeff.
Y H
5.00
01/03/2025
Select the right level of question for my current level (a bit challenging but not too hard), great follow up questions and explanation that helped me better understand the concept and know where to improve and continue working on