Learn More. Faster.
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FREE 8-week evening classes for programmers and designers.
Now in Ho Chi Minh City and Ha Noi.
Apply Now

Our Training Principles

We want to work with the most dedicated startup engineers and designers.We want to help you become the best you can be, alongside talented peers.


Real World Examples

We'll learn how apps like Facebook, Instagram, and Twitter are built.


Selective Admission

You'll be learning and working with the best.


Hands On Projects

You'll build real apps you'll be proud to show to customers and employers.

Upcoming CORE Courses

Demanding, 8-week course that meets twice a week from 7-9 PM and ends with a final group project
Weekly mandatory homework or project work. Courses are taught in English.

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iOS (Swift) for Engineers

Starts October 10, Mo/We 19:00-21:00
This course is designed to cover all the major topics required to architect and implement polished iOS Swift applications.

Apply Now
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Ruby for Engineers

Starts October 10, Mo/We 19:00-21:00 (HCMC);
October 9, Sun/Tue 19:00-21:00 (Hanoi);

Learn and apply the concepts required to build web applications using one of the most powerful web development frameworks: Ruby on Rails (5.0)

Ho Chi Minh CityHa Noi
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Android for Engineers

Starts October 10, Mon/Wed 19:00-21:00
This course is designed to cover all the major topics required to architect and implement polished Android applications.

Apply Now
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Node.js for Engineers

Starts October 11, Tue/Thu 19:00-21:00
The course covers the topics required to architect and implement node server back­-ends with lectures on popular Walmart Node.js frameworks like Hapi.js.

Apply Now

Want to request a new course in HCMC? Click here

Want other classes in Hanoi? Request here Request here

Developing Developers

Master new skills in programming, design and product building.









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About the Founders

Charles (Sáng) Lee

Charles (Sáng) Lee

Computer Science, UC Berkeley, 2006
Co-Founder & Instructor

I graduated with a degree in Computer Science from UC Berkeley in 2006, and have 10+ years of being a software engineer in Silicon Valley.

I've worked at three startups, all of which had successful exits. I was one of the first engineers at Luvocracy, a social e-commerce company which was acquired by Walmart.com after raising $11 million in funding from Kleiner Perkins. I was also the second engineer hired at venture-backed local recommendations startup GemShare, which was acquired by the social networking site NextDoor in early 2015.

The past year I've been working with startups CodePath and Bloc teaching iOS, Ruby on Rails, Javascript, and Java.

You can read more about me on my LinkedIn profile at https://www.linkedin.com/in/charleslee5.

Harley Trung

Harley Trung

Computer Science, Yale, 2010
Co-Founder & Instructor

Having spent 15 years mostly abroad in Singapore, the US and China, I am almost shocked to be back in Vietnam for a new life in Saigon as a CoderSchool.vn cofounder.

I studied Computer Science at Yale university, started two funded startups and went through two accelerator programs, Techstars in the US and Chinaccelerator in China. When I'm not serious (49% of the time), I like music, dancing and drinking in no particular order. Sleeping is overrated.

You can read more about me on my LinkedIn profile at https://www.linkedin.com/in/harleyt.

Marcus Ellison

Marcus Ellison

Entrepreneurship & Interdisciplinary, NYU, 2009
Co-Founder & Business Development

For the past 10 years I’ve been a startup entrepreneur with ventures ranging across non-profit education, commercial real estate development, Music, and Internet Technology. Most recently, I worked with CodePath designing and implementing technical training programs at Walmart.

I pursued undergraduate and masters degrees at New York University where I studied innovation, behavioral economics, and classical literature.

I choose to spend my time where I’m most inspired. For my whole life, this has been the intersection of opportunity, passion, and purpose. I enjoy growing ideas, thoughtful intention, building relationships, and systems based thinking.

You can read more about me on my LinkedIn profile at https://www.linkedin.com/in/marcusellison.

Why Free?

To attract the best students.

Our Business Model

We offer classes for free to attract the best developers and to offer everyone fair access to education. We want to build the best engineering ecosystem in Ho Chi Minh City. We will always try to offer classes that are free to talented engineers.

Our classes are funded by sponsorship from top tier engineering companies. Successful graduates may be told about jobs at these companies, where coderschool.vn may make a small bonus. This is completely optional - feel free to take our classes even if you currently love your job! We put education and quality first at CoderSchool.

Contact Us

Send us a message on Facebook or an email at founders [at] coderschool.vn