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 is an excellent mentor. He patiently listened to my concerns and helped craft a plan that was best for me. I approached him because I needed a solid, structured plan to crack LeetCode questions. He set up regular calls throughout the month to check in on my progress, and was also available on chat whenever needed. I really liked his approach to building up my LeetCode skills systematically. He's genuinely one of the best mentors I've worked with, and I'd recommend him to anyone.
Soham
Lite Plan • 1 month
4 out of 5 stars
Peilin
Lite Plan • 2 months
5 out of 5 stars
I booked a session with Kuai for resume and positioning feedback for Applied AI Engineer roles.The session was more strategic than tactical: instead of only reviewing resume wording, Kuai focused on bigger-picture positioning, company targeting, and how my background may be interpreted in the current market. Overall, I’d recommend Kuai if you’re looking for direct, honest feedback and are open to discussing bigger-picture career positioning, not just tactical edits.
Maggie
Session: Career Coaching (30 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.
