SW Engineer (Cybersecurity)

TL;DR

SW Engineer (Cybersecurity): Responsible for protecting the integrity, authenticity, and resilience of mobile SDKs across Android and iOS with an accent on preventing spoofing, securing SDK traffic, and hardening code. Focus on compiler-level transformations, obfuscation pipelines, and cryptographic verification flows.

Location: Kyiv

Company

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

What you will do

• Own and develop hirify.global products and features end-to-end from design to production.
• Collaborate with Product Managers and Software Engineers to deliver value to customers.
• Drive security improvements across the Security Team through research, PoCs, and knowledge sharing.
• Design and implement advanced protection mechanisms for Android and iOS SDKs.
• Conduct reverse engineering and red-team exercises to identify weaknesses and improve defense strategies.
• Apply low-level debugging, performance tuning, and binary analysis techniques.

Requirements

• B.Sc. in computer science or an equivalent.
• Strong programming skills in C/C++ with 2+ years of experience, including experience with CMake-based build systems.
• Experience with low-level programming: memory, compilers, OS internals, or binary formats.
• Hands-on experience with reverse engineering, debugging, or instrumentation tools (e.g., Frida, Ghidra, IDA Pro).
• Very good English communication skills.

Nice to have

• Experience in mobile development (Android or iOS).
• Experience writing LLVM passes or working with LLVM/Clang toolchains.
• Familiarity with bitcode, compiler pipelines, or obfuscation frameworks.
• Experience developing or maintaining AWS-based services.

Culture & Benefits

• Global company operating from 25 offices across 19 countries, reflecting the human mosaic of the diverse and multicultural world.
• Ensuring equal opportunities for all employees and promoting the recruitment of diverse talents to global teams.
• Value and encourage curiosity, diversity, and innovation from all employees, customers, and partners.