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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
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.
