OneSignal

Customer Experience & Communication Tech

Overview

OneSignal provides an omnichannel messaging platform for businesses to send email, push notifications, in-app messages, and SMS, supporting over 12 billion messages daily across 1M+ users.

Key Information

Central Office: San Mateo, CA, USA
Founded: 2014

Links

Website Careers portal

Latest Jobs

Staff Software Engineer, SMS/RCS Team

Staff+

🏠 🇺🇸

Remote, USA

Staff Software Engineer building SMS and RCS customer engagement solutions. Rust, TypeScript, and Ruby with React on backend distributed systems, focusing on scalable architecture, RESTful/gRPC APIs, and end-to-end feature ownership.

RubyRustTypescript

Verified Mar 30, 2026 View listing

Past Jobs

EXPIRED

Senior or Staff Software Engineer, Backend

🏠 🇺🇸

Remote, USA

Senior backend role on the Journeys team using Rust, Go, and Ruby to build scalable, multi-channel customer engagement systems. Requires 6+ years’ experience, distributed systems expertise, and strong API and data modeling skills.

GoRubyRust

First seen Jun 22, 2025 Last seen Dec 9, 2025

EXPIRED

Staff Software Engineer, Fullstack

🏠 🇺🇸

Remote, USA

Staff full-stack role on the SMS team using Rust, TypeScript, Ruby, and React to build scalable messaging systems. Requires 8+ years’ experience, strong API design, and distributed systems skills. Kafka and Kubernetes are a plus.

RubyRust

First seen Jun 22, 2025 Last seen Dec 17, 2025