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Mobile SDK Engineer



Software Engineering
Canada · United States · Remote
Posted on Wednesday, May 8, 2024

Who we are:

We are a leader in financial crime prevention. Using unparalleled device intelligence and behavior biometrics, we apply machine learning to detect and stop fraud before it happens. The platform includes tools for identity verification, fraud prevention and investigation, AML monitoring, and case management. Over 250 companies use Sardine to prevent fake account creation, social engineering scams, account takeovers, bot attacks, payment fraud, and money laundering. We raised $75M, led by Andreessen Horowitz Growth, XYZ Capital, Google Ventures, Visa, Activant Capital, Experian, and ING Ventures.

Our culture:

  • We have hubs in the Bay Area, NYC, Austin, and Toronto. However, we have a remote-first work culture. #WorkFromAnywhere

  • We hire talented, self-motivated people and get out of their way

  • We value performance and not hours worked. We believe you shouldn't have to miss your family dinner, your kid's school play, or doctor's appointments for the sake of adhering to an arbitrary work schedule.


  • Remote - Canada or United States

  • From Home / Beach / Mountain / Cafe / Anywhere!

  • We are a remote-first company with a globally distributed team. You can find your productive zone and work from there.

About the role:

We are looking for a Mobile SDK engineer to bolster our mobile fraud prevention capabilities, ensuring continual relevance in the market. This role involves developing and enhancing signals for the native Android mobile and iOS mobile SDKs.

You will:

  • Design, develop, and maintain the mobile SDK to provide easy integration with our services for iOS and Android platforms.

  • Collaborate with product managers, designers, and engineers to understand requirements and translate them into SDK features and enhancements.

  • Implement best practices for SDK development, including code quality, performance optimization, and documentation.

  • Conduct thorough testing of the SDK to ensure compatibility, reliability, and stability across different mobile devices and OS versions.

  • Stay up-to-date with the latest mobile development trends, tools, and technologies to continuously improve the SDK.

  • Provide technical support to developers integrating the SDK into their applications and troubleshoot any issues they encounter.

  • Participate in code reviews, brainstorming sessions, and knowledge sharing to foster a collaborative and innovative environment.

An ideal candidate has:

  • 4+ years of experience working with Android and/or iOS SDKs

  • Strong Android and/or iOS fundamentals and willing to dive deep into lower-level development concepts (memory management, threading, etc.)

  • Expertise in mobile fraud prevention with a focus on Android and iOS capabilities.

  • Strong grasp of mobile technology and security concepts.

  • Experience in reverse engineering or similar research projects.

  • Background or education in security and fraud prevention.

  • Experience with mobile testing frameworks (Xcode UI Testing, Espresso)

  • Strong understanding of object-oriented programming principles and design patterns

Bonus points for:

  • Experience writing backend services in Java, Go, C++, or Rust.

  • Experience working with GCP

  • Experience with mobile development frameworks (e.g., Jetpack Compose for Android, SwiftUI for iOS, Expo, Flutter, Xamarin)

Compensation: Base pay range of $120,000 - $150,000 + Series B equity with tremendous upside potential + Attractive benefits

Benefits we offer:

  • Generous compensation in cash and equity

  • 7-years for post-termination option exercise (vs. standard 90 days)

  • Early exercise for all options, including pre-vested

  • Work from anywhere: Remote-first Culture

  • Flexible paid time off

  • Health insurance, dental, and vision coverage for employees and dependents - US and Canada specific

  • 4% matching in 401k / RRSP - US and Canada specific

  • MacBook Pro delivered to your door

  • One-time stipend to set up a home office — desk, chair, screen, etc.

  • Monthly meal stipend

  • Monthly social meet-up stipend

  • Annual health and wellness stipend

  • Annual Learning stipend

  • Unlimited access to an expert financial advisory

Join a fast-growing company with world-class professionals from around the world. If you are seeking a meaningful career, you found the right place, and we would love to hear from you.