Senior SDK Engineer (Remote CA, NY, TX)

San Mateo, California

Full Time Senior-level / Expert
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OneSignal
The world's leader for mobile push notifications, web push, SMS, email & in-app messaging. Trusted by 1 million+ developers to send billions of message per day.
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At OneSignal, Senior Engineers have the option of working remotely or in an office. In the United States, we currently support remote work in CA, NY and TX and we have offices in New York City and San Mateo.
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 kindness in all our interactions, and focus on ownership and personal growth make OneSignal a uniquely great place to work.
OneSignal’s vision is to power the world’s messages. Our customer engagement platform enables our users to compose and send messages via mobile push, web push, in-app, SMS, and email.
We have raised a total of $34M from investors including SignalFire, Y Combinator, HubSpot, and Rakuten Ventures. OneSignal customers include Volkswagen, Verizon, Burger King, 7 Eleven, Zynga, Virgin Mobile, and many more. Join us in scaling the business!
OneSignal has grown rapidly to where we are sending upwards of over 8.6 billion messages daily, supporting over 750,000 live apps and 3.7% of the Internet.  
As an SDK-centric company, we’re constantly evolving our offerings and improving the Developer Experience across the board.  With that objective in mind, we are looking for experienced Software Engineers to join our SDK Team. 
The SDK Team is responsible for the components of our software stack that we ship to our customers.  These include client libraries for our REST API, CLI Tools, libraries embedded in customer applications(e.g. the Android SDK), and associated tooling and resources. 
Understanding how to better serve our developers is part of the work we do in the SDK Team.

In a typical day, you may find yourself:

  • Engaging with developers on GitHub, troubleshooting customer issues, and developing or directing software system testing or validation procedures, programming, or documentation.
  • Conducting research on ecosystem trends, upstream software changes, and deepening domain knowledge.
  • Developing prototypes and analyzing user needs and software requirements to determine feasibility of design within time and cost constraints.
  • Crafting APIs that are both robust and easy to use for a wide range of use cases.
  • Developing modifications to our software codebases.
  • Reviewing and supporting other’s work.
  • Participating in departmental, team, and company events as appropriate.  Most are optional.  Conducting compliance activities and other duties as may be required.

Skills and experience:

  • At least 6 years experience working as a software engineer.
  • Deep experience with developing applications for one or more of the following platforms: Android, iOS, Web, Unity, Godot, Xamarin, React Native, Flutter, Cordova.
  • Comfortable working in a distributed team with autonomy.
  • Passion for building tools for frontend developers.
  • Experience interacting with RESTful and RPC APIs.
  • Interest in working with a diverse group of polyglot codebases(Java, Kotlin, Obj-C, Swift, TypeScript, C#, JavaScript, PHP, Java, Dart, Ruby, and more).

Preferred skills and experience:

  • Experience writing SDKs, Client Libraries, or other Developer Tools.
  • Broad knowledge of development environments.
  • Active engagement with a developer community.
  • Enjoys interacting with a developer ecosystem and is experienced in leveraging empathy for making better developer products.
In keeping with our beliefs and goals, no employee or applicant will face discrimination/harassment based on: race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability status, or veteran status. Above and beyond discrimination/harassment based on 'protected categories,' we also strive to prevent other, subtler forms of inappropriate behavior (e.g., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at OneSignal.
Job region(s): North America
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