People
Current Engineering Director who used to be a Software Engineer at WhatsApp
Alan Kao
Which of the following is NOT a WhatsApp Infra service?
A. irepd
B. residb
C. iactd
D. aboutd
D. aboutd
The first WhatsApp Channel that hit a million followers
Real Madrid FC
WhatsApp was originally not a messaging app, it started out as this..
An app that shows status updates of your phone's contacts
Which of the following is NOT a Remote employee?
A. Will Cathcart
B. Mikhail Vorontsov
C. Dino Distefano
D. Robby Andrews
C. Dino Distefano
WhatsApp experienced the largest traffic spike ever in its history during this global event.
Which of the following features are not supported on WhatsApp Status?
A. Caption
B. Playback Music
C. Avatars
D. Location Pin
B. Playback Music
Location of the very first WhatsApp office
Mountain View, California
Out of the following, who is NOT a Data Scientist?
A. Xin Yang
B. Jason Ament
C. Jamie Wong
d. Dror Guldin
A. Xin Yang
This media message type is always auto-downloaded
PTT
What is WhatsApp’s average daily SMS OTP send volume?
A. 1-5M sends/day
B. 5-10M sends/day
C. 15-20M sends/day
D. 30-35M sends/day
C. 15-20M sends/day
This open source project is the reason WhatsApp uses Erlang
ejabberd
Which of the following pre-acquisition employees wrote large parts of Registration Infra?
A. Rick Reed
B. Richard Russo
C. Anton Larvik
D. Alexander Shturm
B. Richard Russo
Peak concurrently connected devices to WhatsApp Infrastructure (including Armadillo) over the past 30 days
A. 100M
B. 400M
C. 600M
D. 1100M
D. 1100M
A. India
B. Saudi Arabia
C. Peru
D. Netherlands
A. India
iOS feature released in 2009 led to the evolution of WA into a messaging app
Push Notifications
Out of the following IC turned EMs who has the highest all-time diff count?
A. Tarang
B. Luka
C. Jiafei
D. Sabari
D. Sabari
Approximately how many servers power WhatsApp's infra?
A. 38,000
B. 54,000
C. 67,000
D. 82,000
C. 67,000
Average time spent on WhatsApp per day by our DAUs.
A. Less than 10 minutes
B. 10-20 minutes
C. 20-30 minutes
D. 30-40 minutes
D. 30-40 minutes
This VC firm led the Series A investment in WhatsApp in April 2011
Sequoia Capital