Security SDK Engineer
Read straight from AppsFlyer's careers page, verified 21h ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
LocationKyiv
Work modeon-site
Typefull-time
SeniorityEntry
Experience1–2 yrs
DepartmentR&D
Company size1,001–5,000 people
PostedAug 11, 2026 · 2mo ago
Verified live21h ago
At a glanceSummarised by Seekless from the posting.
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
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
Skills
Android
iOS
C/C++
Kotlin
Java
Android SDK
Frida
Ghidra
IDA
Gradle
CMake
CI/CD
AWS
LLVM/Clang
Benefits
Health insurance
Unlimited PTO
Meals reimbursement
Sport reimbursement
Breakfast
Mental health program
Team building
Paid sick days
Snacks
Mac laptop
Dual monitors
About the company
AppsFlyer builds technology at massive scale, powering measurement, analytics, and fraud prevention across billions of mobile events every day.
About the role
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