Senior Android Developer

San Mateo, California
OneSignal’s 15 first-party Mobile and Javascript SDKs are installed into nearly 100,000 websites and applications that reach 900 Million unique users a month. Our SDKs must remain easy to install, work alongside other services and consistently improve as we add new features.

This is no small feat, but the effort is well worth it: Our clients rave about the quality, documentation, and ease of use of our service.

We're looking for a skilled Android developer to help us build upon and maintain SDKs across over a dozen platforms. The right candidate must have the skill and confidence to learn new programming languages, programming techniques, and fearlessly troubleshoot bugs in mobile devices and web browsers.

Skills and experience:

    • Write code in Java. Additionally writing SDK bindings for C#, Lua, C++, JavaScript, and more
    • Write high quality code in previously unfamiliar programming languages
    • Create and maintaining open source SDKs used by hundreds of thousands of developer
    • A polyglot programmer and enjoys learning new programming languages
    • Has built and published a native app for Android
    • Enjoys diving deep to find solutions to tricky bugs
    • Gets excited about the opportunity to join a small but fast growing startup company


    • Salary: $120k - $165k
    • Equity: 0.2% - 0.35%
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.