OneSignal is a leading omnichannel customer engagement solution, powering personalized customer journeys across mobile and web push notifications, in-app messaging, SMS, and email. On a mission to democratize engagement, we enable over a million businesses to keep their users - including readers, fans, players and shoppers - engaged and up to date by delivering billions of messages daily.
1 in 5 new apps launches using OneSignal! We support companies in 140 countries, including Zynga, USA Today, Bitcoin.com, Eventbrite, Tribune, and many more - from startups and small businesses just getting off the ground to established companies communicating with millions of customers.
We’re Series C, venture-backed by SignalFire, Rakuten Ventures, Y Combinator, HubSpot, and BAM Elevate. We offer remote work as the default option in the United States in California, Colorado, Massachusetts, New York, New Jersey, Oregon, Pennsylvania, Texas, Utah and Washington. As well as in the UK and Singapore - with plans to expand the locations we support in the future. Some roles are hybrid roles and will be listed as such. We have offices in San Mateo, CA and London, UK, and offer flex seating options for employees to work together in-person where we don’t have offices. Hiring in Singapore is done in partnership with a local PEO.
OneSignal has a lot of the great tech startup qualities you’d expect, but we don’t stop there. Our massive scale and small team, emphasis on healthy life balance and kindness in all our interactions, and focus on ownership and personal growth make OneSignal a uniquely great place to work.
Our blog contains more information about the OneSignal Engineering career ladder, and our diverse team.

WE VALUE A VARIETY OF EXPERIENCES, AND THESE ARE NOT REQUIRED. IT WOULD BE AN ADDED BONUS IF YOU HAVE EXPERIENCE IN ANY OF THE FOLLOWING:

• Experience with Ruby/Rails
• Experience building a robust React Web application
• Experience operating reliable distributed systems at scale
• Experience with distributed system event streaming frameworks such as Apache Kafka
• Experience working on an Integrations team
  The New York and California base salary for Senior Software Engineer full time position is between $170,000 to $190,000. Your exact starting salary is determined by a number of factors such as your experience, skills, and qualifications. In addition to base salary, we also offer a competitive equity program and comprehensive and inclusive benefits.

• Collaborate closely with Product Managers, Designers, and Sales/Success teams to understand requirements and translate them into scalable platform solutions
• Actively participate in peer code reviews and Technical Design Spec reviews, providing valuable technical insights to continuously improve our codebase
• Collaborate with the team to efficiently resolve production issues and ensure the system scales smoothly to meet the increasing demands of our customers.
• Conduct data analysis and performance monitoring to identify areas for optimization and enhancement
• Stay up-to-date with the latest industry trends and technologies, incorporating new ideas into our engineering processes while being a thought leader on leveraging AI tools in our workflow