Security Tooling & Crypto Developer

  • San Jose, CA
  • Posted 1 day ago | Updated 1 day ago

Overview

On Site
Depends on Experience
Contract - W2
Contract - Independent
Contract - 1 Year(s)

Skills

LLVM
Algorithms
RSA
Research
Reverse Engineering
Software Design
Software Development
C
C++
Command-line Interface
Cryptography
DRM
Hardening
Python
White-box Testing

Job Details

Position- Security Tooling & Crypto Developer -

Developer-2 Positions

Lead-2 Positions

Location: San Jose CA Day 1 onsite, there will be face to face Client discussion

Job Description

  • Position Summary: This is a highly specialized role responsible for building both the White-Box Crypto (WBC) Generator and the Obfuscation components of the Hardening Engine. You will work on the complex tasks of transforming cryptographic algorithms and implementing advanced code obfuscation to protect our applications.
  • Key Responsibilities:

Design and develop the command-line WBC Generator tool, primarily in C/C++.

Develop and maintain the obfuscation modules within the Hardening Engine using tools like Python, LIEF, and eventually LLVM.

Implement the core logic for transforming algorithms like AES into white-box implementations.

Research and implement countermeasures against the latest attacks on both white-box crypto and code obfuscation.

  • Qualifications:

5+ years of experience in security software development.

Deep expertise in C/C++ and Python for tooling and automation.

Strong foundation in applied cryptography, with deep familiarity with algorithms such as AES, RSA, and the SHA family.

Proficiency in software reverse engineering (Ghidra, IDA Pro) and a solid understanding of compiler theory.

(Preferred) Knowledge of Post-Quantum Cryptography (PQC) algorithms like CRYSTALS-Dilithium, Kyber, etc.

(Preferred) Experience with content protection technologies like DRM or Digital Watermarking.

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