Security Engineer

6 days ago

Singapore Bitcoin Devs Company Full time $120,000 - $180,000 per year
Overview:
The Mobile Developer - Security, Android/ iOS plays a crucial role in designing and developing secure mobile applications for Android and iOS platforms. This position is vital in ensuring the privacy and security of user data, as well as protecting against potential cyber threats.
Key Responsibilities:
  • Responsible for reverse engineering the company's apps, analyzing defense weaknesses, and enhancing the company's app security level.
  • Develop mobile application security products, including but not limited to app shielding, DEX reinforcement, string obfuscation, anti-tampering, anti-reverse engineering, anti-debugging, and data encryption.
  • Research the latest mobile security attack and defense technologies and apply them appropriately to enhance the protection level on both platforms.
  • Responsible for building app security scanning platforms and vulnerability metric platforms to support privacy compliance and vulnerability scanning tools.
  • Drive risk mitigation and provide necessary technical support to business departments.
  • Analyze and track security-related issues reported by users.

Required Qualifications:
  • Bachelor's or Master's degree in Computer Science or a related field.
  • Over 5 years of experience in mobile security, with good coding skills. Proficient in at least two languages, such as Java, Kotlin, C/C++, Objective-C, Swift, Python, etc.
  • Proficient in reverse engineering techniques on Android or iOS platforms, capable of combating common obfuscation, anti-debugging, and jailbreak detection.
  • Have certain development capabilities on Android or iOS platforms, able to independently develop PoC to assist in reverse engineering.
  • Proficient in using hook frameworks such as Xposed and Frida.
  • Excellent communication and coordination skills, strong teamwork spirit, outstanding execution ability, and strong problem analysis and solving abilities.

Nice-to-have:
  • Prior experience in developing mobile security SDKs with a daily active user base of over ten million is preferred.
  • Participated in large-scale business risk control projects, or have practical experience in threat intelligence/business risk prevention, and analysis/countermeasures against black and gray industries.
  • In-depth reverse engineering of major apps from first-tier vendors, or other experiences/projects that demonstrate reverse engineering capabilities.
  • Priority given to candidates who can simultaneously master relevant technologies on multiple platforms.
  • Proficient in ARM assembly, capable of deep-level countermeasures at the native and application layers.
  • Have certain capabilities in device fingerprint recognition, able to simulate new devices through methods such as flashing, modification, and application cloning.
 

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