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Software Engineer, Notifications Team

Remote / Online - Candidates ideally in
London, Ontario, K5Z, Canada
Listing for: OneSignal, Inc.
Full Time, Remote/Work from Home position
Listed on 2026-01-14
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 190000 - 210000 CAD Yearly CAD 190000.00 210000.00 YEAR
Job Description & How to Apply Below
Position: Staff Software Engineer, Notifications Team

Staff Software Engineer, Notifications Team

One Signal 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 customer engagement, we enable over a million businesses to keep their users engaged and up to date by delivering billions of messages daily.

1 in 5 new apps launches using One Signal! And we support companies in 140 countries! Our customers range from startups and small businesses just getting off the ground to established companies such as Zynga, USA Today, , Eventbrite, Tribune, and many more.

We’re Series C, venture-backed by Signal Fire, Rakuten Ventures, Y Combinator, Hub Spot, 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 in NY and other areas. Hiring in Singapore is done in partnership with a local EOR.

One Signal 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 One Signal a uniquely great place to work.

The Notifications team at One Signal builds the UI, APIs, and core delivery systems that power our industry-leading web push, mobile push, and in-app messaging products. We operate at massive scale, helping thousands of businesses deliver billions of messages that are timely, personalized, and reliable.

We iterate quickly to bring impactful features to market while maintaining high standards for performance, reliability, and user experience. Our mission is to empower customers to communicate with their users in the most effective, scalable, and delightful way possible.

What You’ll Do:
  • Collaborate with Product Managers, Designers, and Engineers to implement new features for our Customer Engagement products, using Rust, Type Script, and Ruby.
  • Conduct code and specification reviews, providing technical insights to improve our features and code base
  • Resolve production reliability issues and ensure the system scales to meet the demands of our customers
  • Refactor components on the frontend, creating extensible, reusable and clean component architecture
  • Stay up-to-date with the latest industry trends and technologies, incorporating new ideas into our engineering processes
  • Present Technical Specifications to other Staff Engineers, drive alignment on proposed solutions, and prototype draft implementations
What You’ll Bring:
  • 8+ years of professional software development experience
  • Experience creating extensible, reusable React components
  • Experience working with backend distributed systems at scale
  • Ability to own and deliver end to end software functionality from design/architecture, through implementation, testing, production, release, and monitoring
  • Ability to manage complex cross-team coordination and work closely with product owners
  • Ability to evaluate and communicate different engineering solutions and trade-offs
  • A strong willingness to learn new technologies rapidly
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 event streaming framework such as Apache Kafka
  • Experience with Rust or another systems programming language
  • Experience with Kubernetes
  • Experience with data modeling using at least one database engine (MySQL, Postgre

    SQL, Redis, Cassandra, Scylla

    DB, etc.)
The New York and California base salary for Staff Software Engineer full time position is between $190,000 and $210,000. 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…
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