Udemy Tech Blog

Learn about Udemy’s successful migration to micro frontends, enhancing development processes and boosting performance metrics.

Charting the Course: The Hackathon That Redefined Udemy’s Frontend Architecture

Embarking on a Digital Transformation: Udemy’s Journey from Monolith to Micro Frontends

At Udemy, we run hundreds of A/B-style experiments per year on our experimentation platform. One of the biggest challenges we’ve faced is…

Data Lineage Demystified- Why it Matters and How to Leverage its Magic for Informed Business Success!

Authors: Sam Cohan, Burak Sivrikaya

Sam Cohan, Principal Machine Learning Engineer at Udemy

Introduction

At Udemy, we have over 200,000 courses across ~75 languages, and we wanted to build vectors from the course text to represent curricula.

Accessibility at scale — how Udemy’s engineering team provided subtitles to tens of thousands of courses using speech-to-text technology.

Automating the creation of monitors for eventing data with Auto-generated Event Monitors at Udemy

An overview of how to build a fault-tolerant event delivery system by using non-blocking retries of Apache Kafka® in Udemy Payments Team

A tutorial on how to measure users’ engaged time by clustering closely-spaced click events into sessions.

How Udemy built a new event ingestion infrastructure to meet the growing needs of the organization for data analytics

At Udemy we use clustering techniques on many projects, especially when we lack labelled data. Here we explain clustering fundamentals

What if I told you that you can 4x the time your user spends in your app and 3x the number of app launches with just “one simple trick”…

Here at Udemy I run the Incident Review process.

Distributed machine learning is all the rage these days, but here is a dirty secret: you may be better off without it sometimes!

Udemy is home to over 155,000 courses taught by 70,000 real-world experts in over 65 languages. As you can imagine, this makes search and…

Overview

We automated reindex operation by building a cross-cluster self-service tool for our engineers.

The Udemy iOS app gets thousands of users every day. It is so important that we have a testing mechanism and make sure everything works as…

Code ownership is a tricky thing to get right. Things become even trickier when you throw a mono-repo into the mix, with no single team…

4 challenges and how to address them