Services
$440 / month
Start free, decide later
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1
Free 7-day trial
No charge until day 7. Cancel anytime. -
2
Ongoing calls + chat
2 × 45-min calls per month, unlimited Q&A. Replies in 24 hours or less. -
3
No lock-in
Month to month, no contract.
About
👋 Hi! I’m Kuai, currently a Director of Engineering at an AI startup. With experience at Two Sigma, Google, and Citadel, I have a decade-long track record in tech and finance. I mentor both software engineers and managers, helping them navigate and succeed in their engineering careers.
My mentees have received offers from 30+ companies, including OpenAI, trading firms (Citadel, Jump Trading, HRT, Two Sigma, AQR), big tech (Google, Meta, Doordash, LinkedIn, Coinbase, Amazon), and startups (Databricks, Stripe, Glean).
What mentees say
5 out of 5 stars
Kuai has been an amazing mentor who genuinely cares about helping others grow. His mix of technical expertise and management insight made a huge difference in my career journey. He guided me through everything—from salary negotiations and system design to behavioral and technical interviews—with patience and clarity. Thanks to his mentorship, I was able to build my story, gain confidence, and successfully navigate one of the toughest job markets, ultimately landing a great role at a great company. I couldn’t recommend him more highly to anyone looking for a thoughtful, knowledgeable, and supportive mentor.
Ghazi
Lite Plan • 11 months
5 out of 5 stars
Kuai is exceptional! His teaching is backed by a very detailed, highly structured framework and wealth of knowledge. Working with him was an invaluable experience, and I'm deeply grateful for all the support and insight he shared with me.
Yuqian
Lite Plan • 4 months
5 out of 5 stars
Kuai is a great listener and experienced mentor! He helped identify areas I could work on: framing, technical articulation, system design, questions to ask co-founders - and gave me solid actionable advice. I appreciate that he is able to talk to you at your level and what stage you are at within your career. I'll definitely reach out again to him for additional advice. :)
Justin
Session: Career Coaching (45 m…
Get to know Kuai
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Article 5 min readFrom Invisible to Irresistible
How to Stand Out as a Junior Developer in Today’s Job Market
Read more
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Article 5 min readKuai Yu – Meet the Mentor
I’ve worked at Google, Two Sigma, and Citadel, and I’m currently Director of Engineering at Nium, a Series-E unicorn. I’ve …
Read more
What happens when you start
You tell Kuai your goals. They see exactly what you want to work on before session one.
You meet within days. Kuai reviews your application and books your first session, usually within a day or two.
You leave with a plan. Concrete next steps and a weekly rhythm from your very first week.
