3914 - Sr Technical Security Engineer

Overview

Contract - W2
Contract - W2

Skills

Technical Security Engineer

Job Details

Job Title: Sr Technical Security Engineer
Location: Remote (US)

Minimum Requirements:

  • 5+ years of experience in application or product security, with a track record of securing desktop and mobile applications.
  • Strong understanding of secure architecture for thick clients, including local storage protection, inter-process communication, JavaScript engines, OS-level security features, and web security standards (CSP, same-origin policy, TLS/HTTPS).
  • Experience with mobile (iOS/Android) and desktop (Windows/macOS/Linux) application security models.
  • Proficiency in GenAI security, modern cryptography, certificate management, secure authentication (OAuth, WebAuthn, FIDO2), and secure session handling.
  • Knowledge of OS-level hardening techniques, sandboxing, privilege separation, and secure use of platform APIs.
  • Hands-on experience with secure coding practices in at least one systems language (C++, Rust, Go) and one application language (Kotlin, Swift, C#).
  • Familiarity with static/dynamic analysis tools, fuzzing, penetration testing, and reverse engineering for client applications.
  • Experience embedding security into the software development lifecycle (threat modeling, code reviews, secure design patterns).
  • Ability to manage incident response and vulnerability remediation for thick client environments.
  • Strong cross-team communication skills and ability to write clear developer-facing security guidelines.

Preferred:

  • Contributions to open-source client frameworks, SDKs, or application security tools.
  • Prior work with secure local storage, anti-tampering, DRM, or obfuscation in client software.
  • Familiarity with offline-first application security challenges (sync, caching, data persistence).
  • Experience with privacy-preserving client design, including minimizing telemetry and preventing data leakage.
  • Deep understanding of reverse engineering techniques and defenses (e.g., code obfuscation, anti-debugging, integrity checks).
  • Experience leading security architecture for a thick client application launch at scale.
  • Advanced degree (MS/PhD) in Computer Science, Cybersecurity, or related field.
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