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The World's Most Widely Used Push Messaging Platform

The World's Most Widely Used Push Messaging Platform

OneSignal is the most popular push messaging and engagement platform in the world, used by over 810,000 developers and marketers to send over 5 Billion notifications per day.

We’re backed by investors including SignalFire, YCombinator, Justin Kan, SV Angel, and Rakuten Ventures.

Our stack includes Ruby, Rails, Rspec, Javascript ES6, PostgreSQL, Redis, and Rust. Our Rust-based notification delivery system may be the world's fastest, and is capable of sending up to 800,000 notifications per second.

Our extraordinary growth has been a direct result of our experienced and passionate team. We love solving difficult problems, scaling our services efficiently, and providing a great product for our clients.

Long Vo

Avatar for Long Vo
Founder @OneSignal • Founder/Art Director @GaiaInteractive, @HipticGames, @UDONCollectibles • Senior Producer/Illustrator @UDONentertainment
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Healthcare benefits

Retirement benefits

Parental leave

Equity benefits

Company meals

+5 more
Total raised

$34.5M

Funded over

4 rounds

Latest round

Series B (Aug 2019)

Senior Backend Engineer

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Frontend Developer

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Senior Full Stack Developer

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iOS Developer

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