Senior Automation Engineer - SDK Development

Arkose Labs is on a mission to create an online environment where all consumers are protected from spam and abuse. As a Fast Company 2025 Best Workplace for Innovators, we provide a proactive fraud deterrence platform, Arkose Titan, designed to neutralize modern attacks powered by Agentic AI and LLMs. By combining proprietary intelligence with dynamic friction, we undermine attacker ROI to protect global giants like Microsoft, Meta, and Roblox. Headquartered in San Mateo, CA, we maintain a global presence across APAC, Central and South America, and EMEA.

What makes our team special

We develop native Mobile SDKs that allow developers to integrate sophisticated security measures with simple function calls. Our solutions leverage platform-specific capabilities to enhance fraud detection while maintaining a smooth user experience. Our SDKs serve over 1 million daily active users (DAU) across various B2C applications, and we maintain feature parity across platforms while optimizing for platform-specific advantages on iOS (including macOS and VisionOS), Android, React Native, and FireOS.

As a small, highly-skilled team distributed across Pune, India and Brisbane, Australia, each team member has a significant impact on our product quality and the opportunity to drive innovation in mobile SDK testing and quality assurance. We're looking for an experienced Senior QA engineer who is passionate about ensuring the reliability, performance, and security of mobile solutions at scale.

Role Overview

As a Senior QA Engineer, you will be the quality guardian for our multi-platform Mobile SDK suite. You'll design and implement comprehensive test automation strategies, balance manual and automated testing approaches, and ensure our SDKs meet the highest standards of quality before reaching over 1 million daily active users. This role requires deep understanding of mobile testing, SDK integration patterns, and the ability to work independently while collaborating with engineering teams across multiple time zones.

Key Responsibilities

• Design, develop, and maintain Appium-based test automation frameworks for iOS, Android, and React Native platforms
• Perform manual testing of Mobile SDK features across different integration scenarios, device configurations, and OS versions
• Integrate Mobile SDKs into sample iOS (Swift) and Android (Kotlin) applications to validate functionality and identify integration issues
• Build and maintain automated test suites for backend APIs
• Create and execute comprehensive test plans covering functional, regression, smoke, integration, performance, and load testing
• Develop structured test documentation demonstrating test coverage, approach, and results across all testing types
• Own QA sign-off process and coordinate release testing activities for all SDK releases across platforms
• Integrate tes