# Security SDK Engineer

**Company**: AppsFlyer
**Location**: Kyiv
**Experience**: entry
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/appsflyer/jobs/8695881002?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_715b1677-a16

## Description

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

## Skills

### Required
- Android development
- software development
- mobile applications
- SDKs
- debugging
- problem-solving
- English communication
- security
- low-level technologies

### Nice to have
- Kotlin
- Java
- Android SDK development
- C/C++
- mobile native development
- Frida
- Ghidra
- IDA
- Gradle
- CMake
- CI/CD systems
- AWS
- backend services
- LLVM/Clang
- build toolchains

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Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/appsflyer/jobs/8695881002?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)