Network Security and Protocol Analysis Expert - Private API Reversing

We are seeking a skilled and experienced professional with a deep understanding of network protocols, encryption algorithms, and mobile application security to assist with a project. The ideal candidate should have expertise in TCP, HTTP, GRPC, as well as encryption algorithms such as Diffie-Hellman, HMAC-SHA1, and Shannon cipher.
The desired outcome of this project is to reverse engineer a private API.

Key Requirements:
- Proficient understanding of network protocols including TCP, HTTP, and GRPC.
- In-depth knowledge of encryption algorithms such as Diffie-Hellman, HMAC-SHA1, and Shannon cipher.
- Familiarity with Frida/JS and Java for decompiling APKs and analyzing mobile application security.
- Ability to identify and hook into functions within decompiled APKs for script implementation.
- Experience in decrypting TCP traffic for further analysis.

Note:
This is a challenging project that requires a high level of expertise. We are looking for a dedicated professional who can deliver results within a specified timeline. The selected candidate may be contacted for further discussion and clarification before the project commencement.