Security SDK Engineer

AppsFlyer's Security SDK Team is responsible for protecting the integrity and authenticity of mobile SDKs across Android and iOS.

You will develop AppsFlyer SDK features end-to-end , from design to production.

Your main responsibilities will include:

• Building and improving protection mechanisms for Android SDKs (primary focus) and iOS SDKs.
• Improving SDK resilience against tampering and abuse.
• Collaborating with Product Managers and Engineers across mobile and backend teams.
• Participating in research, debugging, and investigation of mobile security challenges.
• Learning and working with low-level mobile technologies, native code, and reverse engineering tools.
• Working in an Agile environment with engineers across mobile, backend, and product.

To qualify, you will need:

• A B.Sc. in Computer Science or equivalent experience.
• 1–2 years of software development experience, preferably in Android development.
• Experience developing mobile applications or SDKs.
• A good understanding of Android fundamentals and application architecture.
• Strong debugging and problem-solving skills.
• Curiosity and motivation to learn security and low-level technologies.
• Very good English communication skills.
• A strong ownership mindset and willingness to learn and grow.

Nice to have:

• Experience with Kotlin, Java, or Android SDK development.
• Familiarity with C/C++ or mobile native development.
• Interest in mobile security, reverse engineering, or runtime internals.
• Familiarity with tools such as Frida, Ghidra, or IDA.
• Experience with Gradle, CMake, or CI/CD systems.
• Familiarity with AWS or backend services.
• Exposure to LLVM/Clang or build toolchains.

Our benefits package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package