Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.
Responsibilities
Proficiency in one or more of the following: Java/Kotlin for Android, or Objective-C/Swift for iOS, or JavaScript/TypeScript for webFamiliarity with NDK/JNI and underlying system mechanisms such as Binder, sandboxing, and permission managementExperience optimizing SDK performance (memory, power consumption, compatibility) to ensure zero intrusion to the host app’s user experienceHands-on experience with reverse engineering on Android/iOS/JavaScript; ability to analyze samples to understand underlying principles; solid knowledge of packet capture, decompilation, hooking techniques, and related frameworksStrong understanding of Android system architecture and Android NDK development; familiarity with x86 and ARM assembly; proficiency with analysis and debugging tools such as IDA and GDBNice to have: Prior experience in mobile security projects
Requirement
Design and develop mobile (Android/iOS/Web) security and risk-control SDKs, building a highly available and resilient defensive systemOptimize SDK performance to ensure no impact on the main app’s user experienceAnalyze malware and cheat/bot samples and implement effective countermeasuresEvaluate competing security solutions and continuously improve our own security products 
