Security SDK Engineer

AppsFlyer; United States; On-site; USD 85,000 - 125,000; Full time

Benefits offered by this job

Health Insurance

Paid Unlimited Vacation Days + all na-

Meals Reimbursement

Sport Reimbursement

Breakfast in the office

Mental health program

Team building, happy hours, and other

Paid sick days

Snacks, fruits & ice cold beer

Mac laptop with 2 monitors

Job summary

AppsFlyer's Security SDK Team is seeking a software engineer to strengthen the integrity of our Android and iOS SDKs. You will implement features end-to-end, improve protection against tampering, and collaborate with cross-functional teams across mobile and backend groups.

You should have a B.Sc. in Computer Science and 1–2 years of mobile development experience, with strong debugging, English communication, and a willingness to learn security and low-level technologies.

Qualifications

• B.Sc. in Computer Science or equivalent experience.
• 1–2 years of software development experience, preferably Android.
• Experience developing mobile apps or SDKs.
• Strong Android fundamentals and app architecture understanding.
• Excellent debugging and problem-solving skills, eager to learn security.

Responsibilities

• Develop AppsFlyer SDK features end-to-end from design to production.
• Improve protection mechanisms for Android SDKs and iOS SDKs.
• Strengthen SDK resilience against tampering and abuse.
• Collaborate with product managers and engineers across teams.
• Research, debug, and investigate mobile security challenges.
• Learn low-level mobile tech, native code, and reverse engineering tools.

Skills

Android development

Mobile development

Debugging

English communication

Ownership mindset

Education

B.Sc. in Computer Science

Tools

Frida

Ghidra

IDA

Gradle

CI/CD

C/C++

Job description

AppsFlyer builds technology at massive scale, powering measurement, analytics, and fraud prevention across billions of mobile events every day.

Join AppsFlyer's Security SDK Team, responsible for protecting the integrity and authenticity of our mobile SDKs across Android and iOS. The team works on securing SDK communication, improving SDK resilience, and building trusted solutions that run on billions of devices worldwide.

This is a great opportunity for engineers who are passionate about mobile development and interested in security, low-level systems, and reverse engineering.

We work with Android and iOS platforms, native components (C/C++), and cloud-based infrastructure, while encouraging continuous learning, technical growth, and hands-on research.

What you’ll do

• Develop AppsFlyer SDK features end-to-end - from design to production.
• Build and improve protection mechanisms for Android SDKs (primary focus) and iOS SDKs.
• Help improve SDK resilience against tampering and abuse.
• Collaborate with Product Managers and Engineers across mobile and backend teams.
• Participate in research, debugging, and investigation of mobile security challenges.
• Learn and work with low-level mobile technologies, native code, and reverse engineering tools.
• Work in an Agile environment with engineers across mobile, backend, and product.

What you have (Must)

• 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.
• 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.
• Strong ownership mindset and willingness to learn and grow.

Bonus Points

• 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.

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

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.

"As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In." Oren Kaniel, CEO