Location and citizenship: Russian Federation and friendly countries (Remote). Rate: up to 310,000 rubles net. Term: 3 months (with the possibility of extension). Project: Innovative gaming and interactive products (market leader).

Responsibilities: — Develop modules and components for iOS applications with a special focus on security. — Implement functionality with a deep understanding of cryptographic algorithms. — Analyze third-party code, perform data decryption and unpacking. — Work with the network stack at a low level (sockets, TCP/UDP).

Requirements (Must have): — Cryptography: Knowledge of algorithms, decryption, and unpacking skills. — Security experience: Practical work with jailbroken devices. — Network background: Deep understanding of HTTPS, REST API, gRPC, and sockets. — Data Serialization: Experience with Protobuf, JSON, Avro, MessagePack. — Analytics: Ability to quickly understand complex third-party code.