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Until IT Arena 2019



Angela Chan

Country: United Kingdom

Position: Engineering Manager at OLX Group

Organization: OLX Group

Lords Of The Files: Serving user-generated media at a global scale

As Cory House once said “Code is like humor. When you have to explain it—it is bad”. So we will not be explaining code. Instead, we will be providing insights into how to build systems with trunk-based development while dealing with challenges related to high load and large scale. We will be answering questions like, how do you move fast when you need to build a global service serving over a billion objects?

Can you apply a YOLO principle to software development more than once and get away with it? What is trunk-based development and why would you want to have SREs on the team? We are developers of Apollo, the media server for OLX, a global classifieds company in high growth economies including Ukraine. Apollo is storing and serving over 1 billion media items to 40+ marketplaces across the world totalling 70 million monthly active users.

It needs to not only deal with massive traffic, but also serve images optimised for various devices and internet connections.

We are the lords of your files.

Angela is passionate about technology and people. After earning a bachelor’s degree in Computer Science and Finance at UNSW, Australia she started her career in the banking world – suits, red tape and Java 1.4 that was back in the day. Since then she has been in search of engineering Mecca; delighting customers by shipping products with scalable solutions in high performance teams. She has scoured the world in her journey, from building and scaling the Digital Platform at Amazon to bringing Expedia systems to the cloud. Her latest mission is building scalable solutions in the OLX Berlin hub with a cloud-based containerised solution and trunk based development. At OLX, we are empowered, fast and build on each other.

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