Deloitte
Finance and accounting for M&A deals and IPOs. I also learned data analytics with SAS, writing financial reports and 10-Qs, and Excel automation.
Hello, I'm Jason.
I am an accountant turned data scientist & machine learning engineer. I love to automate things. Let's go.
WRITING
Recent articles
- update
June 21, 2026
Hello, world π
It's been too long.
JJason Jung
- career
- interview
December 12, 2025
How I Prepared for Machine Learning Interviews (Part 1)
And landed 300k++ offers in a tough job market.
JJason Jung
- career
December 18, 2021
What I learned from working as a Software Engineer, Machine Learning Engineer, and Data Scientist within Four Years.
Lessons learned from switching roles and navigating the career in tech
JJason Jung
- career
May 27, 2020
Machine Learning Engineer vs Data Scientist (Is Data Science Over?)
vs Data Analyst vs Research Scientist vs Applied Scientist vsβ¦
JJason Jung
- projects
- truesalary.org
December 30, 2019
How I Built and Deployed My First Web Application with Django in 5 Weeks
Tips for first-time Python website developers
JJason Jung
- career
February 17, 2019
How to Stay Up To Date as a Data/Research Scientist
How do I keep up with all the new research papers and new machine learning updates? Let me tell you what I do.
JJason Jung
GUIDING PRINCIPLES
Guiding principles
- 01
If you are unhappy, your system is broken. Inspect and change your system.
- 02
When you can't decide, both options are good. Just choose one and move forward.
- 03
Think Less, Build More.
- 04
Greed is the gateway to suffering.
- 05
μμΉμ§λ§
WORK & CAREER
Work and career
GoDaddy
My first tech job, where I worked across data science, data engineering, software engineering, and machine learning.
Shopify
Built and scaled a real-time recommender system for 100M users and 200M products for Shop.
Visit Shop
Cohere
Led a team to train LLMs for the enterprise, such as Oracle and LG CNS. True privilege to work on LLM in the early days.
A new chapter.