Full Stack and Backend Engineers

OneSignal | Full Stack and Backend Engineers | San Mateo, CA | Onsite | https://onesignal.com OneSignal helps developers simply implement re-engagement messages in their applications and websites, and we do it by taking care of a lot of the complexity on our side. Each day we deliver over 6 billion daily notifications (4x more than the number of emails SendGrid sent on their IPO), for nearly 1 million registered developers (More than Twilio on their IPO). We've observed a 10% to 20% increase in usage over the last few days as customers seek to keep their users better informed of breaking news. We do this all with a small, humble, and experienced team. We're providing an essential service for our customers and there's a lot more we're working on building for them. Please apply if you enjoy working on developer tools, interesting problems at scale, or just being a part of a high growth technology startup. Tech Stack: Rust, Go, Ruby, Rails, React, Typescript, PostgreSQL, Redis,