Leading omnichannel customer engagement solution powering personalized customer journeys across mobile and web push notifications, in-app messaging, SMS, and email.

OneSignal is a leading omnichannel customer engagement solution that has achieved remarkable scale, serving billions of HTTP requests daily. As a Series C venture-backed company supported by SignalFire, Rakuten Ventures, and Y Combinator, we're revolutionizing how businesses connect with their users. The Platform/SRE team plays a crucial role in maintaining our 99.95% uptime while scaling our infrastructure.

As a Staff Engineer in Platform/SRE, you'll be at the forefront of our infrastructure engineering efforts, working with cutting-edge technologies like Rust and Go. You'll be responsible for operating and engineering our infrastructure's future, managing critical systems including PostgreSQL, Scylla, Redis, Kafka, and Kubernetes. Your role combines software engineering with infrastructure focus, requiring both deep technical knowledge and automation expertise.

The position offers unique challenges in scaling our systems while maintaining high reliability. You'll work with a diverse tech stack, automate data center operations, and collaborate across teams to architect highly scalable services. The role requires not just operational knowledge but the ability to transform manual processes into automated systems.

OneSignal offers a remote-first culture with offices in San Mateo, CA and London, UK. We pride ourselves on maintaining a healthy work-life balance and fostering an environment of ownership and personal growth. Join us in shaping the future of customer engagement technology while working with a team that values both technical excellence and human connection.

Staff Engineer position focusing on Platform/SRE at OneSignal, working with Rust and Go to scale infrastructure serving billions of daily requests.

Staff Engineer, Platform/SRE

OneSignal, a Series C venture-backed company, is revolutionizing customer engagement with its omnichannel messaging platform. As a Solutions Engineer, you'll play a crucial role in bridging technical solutions with customer needs. The position offers a unique opportunity to join a growing SE team and help define strategy while building the SE playbook.

The role combines technical expertise with customer-facing responsibilities, requiring strong communication skills and deep technical knowledge. You'll work closely with sales teams to drive successful deals, lead product demos, and manage technical aspects of customer engagements. The position demands experience with APIs, SDKs, and various technical infrastructures.

OneSignal supports over 1.8 million marketers and developers worldwide, including major companies like Zynga, USA Today, and Eventbrite. The company offers a flexible remote-first culture in multiple US states, with offices in San Mateo, CA and London, UK. The compensation package includes a competitive base salary, equity, and comprehensive benefits.

The ideal candidate will bring 3+ years of B2B SaaS experience, strong technical understanding, and excellent communication skills. You'll be joining a company that values friendliness, empathy, accountability, and a growth mindset. OneSignal's massive scale, emphasis on healthy life balance, and focus on personal growth make it an exceptional place to work.

This is an excellent opportunity for someone looking to make an significant impact in a rapidly growing company that powers messaging for 1 in 5 new apps. The role offers both technical challenges and strategic importance, making it ideal for professionals who want to combine technical expertise with business impact.

Solutions Engineer position at OneSignal, leading customer engagement platform, combining technical expertise with customer success focus.

Solutions Engineer

Leading omnichannel customer engagement solution powering personalized messaging across mobile, web push notifications, in-app messaging, SMS, and email.

OneSignal is a leading omnichannel customer engagement solution that has revolutionized how businesses connect with their users. As a Series C company backed by notable investors like SignalFire, Rakuten Ventures, and Y Combinator, we're powering communications for over 1.8 million businesses worldwide, including major names like Zynga, USA Today, and Eventbrite.

Our platform specializes in delivering billions of messages daily through multiple channels including mobile and web push notifications, in-app messaging, SMS, and email. We're proud that 1 in 5 new apps launches using OneSignal, demonstrating our significant market presence across 140 countries.

As a Senior or Staff Backend Engineer, you'll be working across critical teams including Integrations, Analytics, and User Data. You'll be instrumental in designing and deploying high-scale distributed systems, leading technical projects, and contributing to our engineering culture of continuous improvement. We offer a flexible remote-first environment with offices in San Mateo, CA and London, UK.

The role combines technical leadership with hands-on development, where you'll collaborate with Product Managers, Designers, and fellow engineers to build and ship high-impact features. You'll be working with cutting-edge technologies like Rust, Golang, ScyllaDB, and Kafka, while having the opportunity to influence architectural decisions and drive innovation.

We pride ourselves on maintaining a healthy work-life balance and fostering a culture of kindness, ownership, and personal growth. Our comprehensive benefits package, competitive salary range ($160,000-$210,000 based on level), and equity program make OneSignal an excellent place to advance your career while making a significant impact on the future of customer engagement technology.

Senior or Staff Backend Engineer position at OneSignal, building scalable distributed systems for customer engagement platform.

Senior or Staff Software Engineer, Backend

OneSignal, a Series C venture-backed company, is seeking a Senior Software Engineer to join their SDK team. As a leading omnichannel customer engagement solution serving over 1.8 million developers worldwide, OneSignal powers personalized customer journeys across multiple channels including mobile push, web push, in-app messaging, SMS, and email.

The role focuses on evolving OneSignal's SDK offerings and improving Developer Experience. As part of the SDK team, you'll be responsible for developing and maintaining client libraries, CLI tools, and embedded customer application components. The position requires expertise in mobile and web development platforms, with a strong emphasis on creating developer-friendly tools and APIs.

The ideal candidate brings 6+ years of software engineering experience, deep knowledge of various development platforms (Android, iOS, Web, etc.), and a passion for building developer tools. You'll work in a distributed team environment, handling diverse polyglot codebases and engaging directly with the developer community.

OneSignal offers a competitive compensation package including a base salary range of $160,000-$180,000, equity, and comprehensive benefits. The company maintains a strong focus on work-life balance, personal growth, and fostering an inclusive environment. With offices in San Mateo and London, plus remote work options, OneSignal provides flexibility in work arrangements while maintaining a collaborative culture.

Join a rapidly growing team that powers 1 in 5 new app launches and serves companies across 140 countries, from startups to established enterprises like Zynga, USA Today, and Eventbrite. This role offers the opportunity to make a significant impact on developer tools used by millions while working with cutting-edge technologies in a supportive, growth-oriented environment.

Senior SDK Engineer role at OneSignal, developing client libraries and developer tools for leading customer engagement platform. 6+ years experience required, competitive compensation.

Senior Software Engineer, SDK

OneSignal is a leading omnichannel customer engagement solution that has revolutionized how businesses connect with their users. As a Series C company backed by notable investors like SignalFire, Rakuten Ventures, and Y Combinator, we've grown to support over 1.8 million businesses worldwide, including major names like Zynga, USA Today, and Eventbrite.

Our platform specializes in delivering personalized customer journeys through multiple channels including mobile and web push notifications, in-app messaging, SMS, and email. We're proud that 1 in 5 new apps launches using OneSignal, demonstrating our significant market presence across 140 countries.

As a Senior or Staff Software Engineer, you'll be joining a dynamic team that values technical excellence and innovation. You'll work on high-impact features that serve billions of messages daily, design scalable distributed systems, and lead technical initiatives that shape our product's future. We offer a healthy work-life balance, emphasis on kindness in all interactions, and focus on ownership and personal growth.

The role combines technical leadership with hands-on development, where you'll collaborate with Product Managers, Designers, and fellow engineers. You'll be working with technologies like Rust, Ruby + Rails, TypeScript, and React, contributing to our high-volume, scalable SaaS application. Our engineering culture promotes continuous improvement through peer code reviews, architectural decisions, and operational enhancements.

We offer competitive compensation, comprehensive benefits, and the flexibility of remote work in select locations. With offices in San Mateo, CA and London, UK, we provide flex seating options for in-person collaboration. Join us in our mission to democratize engagement and help businesses keep their users engaged and updated.

Senior or Staff Software Engineer position at OneSignal, building scalable engagement solutions using Rust, Ruby, and TypeScript.

OneSignal Engineering Jobs

Leading omnichannel customer engagement solution powering personalized customer journeys across mobile and web push notifications, in-app messaging, SMS, and email.