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Offensive Security Researcher - Browser

External
Trenchant logoTrenchant · Worldwide
Full-timeOn-site3mo ago
DocumentationJavaScript
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About the role

We are seeking an Offensive Security Researcher with a focus on modern web browsers. The role involves identifying, analyzing, and exploiting vulnerabilities in browser engines and related components to support advanced security research initiatives.

Responsibilities

  • Discover and analyze vulnerabilities in JavaScript engines, rendering pipelines, IPC, and sandboxing layers.
  • Reverse engineer browser internals, including JIT compilers and memory management subsystems.
  • Develop proof-of-concept exploits and produce clear technical documentation.
  • Track security mitigations and assess their effectiveness against real-world attacks.
  • Contribute to high-impact offensive security projects and collaborative research.

Requirements

  • Strong expertise in C/C++ and low-level programming.
  • Experience in reverse engineering, fuzzing, and vulnerability discovery.
  • Knowledge of browser architectures and JavaScript engines (V8, SpiderMonkey, JavaScriptCore).
  • Familiarity with modern mitigations and sandbox technologies.
  • Proven track record in vulnerability research, CVEs, or exploit development is highly valued.

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