All Teachers / Will Sentance
Will Sentance

Will Sentance

Codesmith

Will Sentance is the founder at Codesmith - a software engineering and machine learning tech residency with 5000+ graduates founding startups and working at organizations from OpenAI, Google, Kaiser Permanente and the UN. He is a Visiting Fellow working on AI at Oxford University, creator of the Hard Parts courses and of Icecomm, a developer platform for P2P video and data communication. Will graduated from Oxford University and Harvard University.

Workshops with Will Sentance

September 17 to 18, 2025 - 9:30am to 4:30pm Central Daylight Time
▶ LIVE NOW

JavaScript: The Hard Parts, v3

Will Sentance
Codesmith
Build a robust mental model of callbacks and higher order functions, closure, types & operators, asynchronous JavaScript and object-oriented JavaScript. Improve how you write code, debug more effectively and become the versatile problem-solving developer you aspire to be.
JavaScript: The Hard Parts, v3
March 11 to 12, 2026 - 9:30am to 4:30pm Central Daylight Time
Details TBA

Hard Parts of Vibe Coding

Will Sentance
Codesmith
Build a deep under-the-hood understanding of AI-aided software engineering as an emerging paradigm of programming. Solve AI-enabled development problems via first-principles reasoning, not trial-and-error prompting, and be able to build modular, maintainable AI systems in production.
Hard Parts of Vibe Coding

Will Sentance's Courses

What They're Saying

I just completed "JavaScript: The Hard Parts, v2" by Will Sentance on Frontend Masters! Will is such a insightful and funny guy, making this whole learning experience quite entertaining. Can recommend. 100%.
Markus August
Markus August
sobergklyver
Excellent explanation of the ideas and concepts behind modern UI frameworks like React, simple and detailed and well-explained as usual from Will!
Emad Ashraf
Emad Ashraf
This was the most transformative JavaScript course I’ve ever taken. Will’s teaching style made even the hardest concepts like closures, prototypes, and async feel deeply logical and clear. I finally understand how JS works under the hood. Thank you for this eye-opening journey!
Idrees Malikzai
Idrees Malikzai
Fantastic course, as always from the great Will Sentance! The course made some of the concepts in the field of AI less intimidating while building great mental models for understanding.
Samarth Joshi
Samarth Joshi
I just finished "The Hard Parts of JavaScript OOP" by Will Sentance on Frontend Masters! I loved how Will tackled JavaScript object issues and offered diverse solutions until reaching the OOP approach, which just prototypes behind the scenes. Highly insightful! 🚀
Azedine Ouhadou
Azedine Ouhadou
OuhadouAzedine
The Hard Parts of JavaScript and all the related hard parts series by Will is totally worth it.

Will Sentance is the goat.
Abhinav
Abhinav
sehgxl

Our courses are taught by experts from these top companies (and more)

Microsoft
Netflix
Stripe
Spotify