Uber Engineering

JULY 25, 2017

Two years ago, Uber’s previous chat application began showing signs that it would not be able to adapt to our growth. There were app crashes, performance hiccups, and outages that crippled our company’s ability to effectively communicate online. With user … The post The Road to uChat: Building Uber’s Internal Chat Solution appeared first on Uber Engineering Blog.

Building 92

Building Engineering Coding IT 92

Zalando Engineering

JULY 25, 2017

JSON Web Tokens, or just JWTs (pron. [ˈdʒɒts]), are the new fancy kids around the block when it comes to transporting proofs of identity within an untrusted environment like the Web. In this article, I will describe the true purpose of JWTs. I will compare classical, stateful authentication with modern, stateless authentication. And I will explain why it is important to understand the fundamental difference of both approaches.

Transportation 40

Transportation Systems Architecture Accessible 40

Uber Engineering

JULY 24, 2017

Uber’s services rely on the accuracy of our event prediction a n d f o r e c a s t i n g t o o l s. From estimating rider demand on a given date to predicting … The post Engineering Uber Predictions in Real Time with ELK appeared first on Uber Engineering Blog.

Engineering 89

Engineering Machine Learning Architecture Kafka 89