Senior Software Engineer - Browser

Zenrows

Remote
**
Chromium fork development and patching
Browser fingerprinting and evasion techniques
Reverse engineering of javascript challenges
** Zenrows is seeking a Senior Software Engineer to enhance their stealth and reverse engineering team, focusing on developing an undetectable browser automation system. The role demands deep expertise in browser internals, reverse engineering, and automation in adversarial settings, all within a 100% remote work environment. **

Job Summary

  • ZenRows is a fast-growing European startup focused on transforming data workflows through advanced web data extraction and anti-bot bypass systems.
  • The Senior Software Engineer role involves owning and evolving a custom Chromium fork to create an undetectable browsing experience and automating evasions against sophisticated bot detection.
  • The company offers a 100% remote work culture with high ownership, direct collaboration with technical founders, and a focus on impact over formal processes.

Matching Summary

Match Score: 75

** Zenrows is seeking a Senior Software Engineer to enhance their stealth and reverse engineering team, focusing on developing an undetectable browser automation system. The role demands deep expertise in browser internals, reverse engineering, and automation in adversarial settings, all within a 100% remote work environment. **

Skills & Requirements

Must-have

  • Chromium fork development and patching
  • Browser fingerprinting and evasion techniques
  • Reverse engineering of JavaScript challenges
  • C++ and JavaScript programming
  • Automation of bot detection workflows
  • Use of debugging tools like Chrome DevTools and Frida
  • Remote work environment

Nice-to-have

  • Hands-on experience defeating anti-bot challenges
  • Published research or tools on browser automation
  • Knowledge of WebAssembly and low-level memory inspection
  • Agile and process optimization mindset
  • Strong communication and collaboration skills
  • Product and business awareness
  • Mentorship and technical leadership

Key Requirements

  • 5+ years software engineering experience
  • Fluency in C++ and JavaScript
  • Deep understanding of Chromium internals
  • Experience patching Chromium or browser automation setups
  • Familiarity with anti-bot vendors and detection vectors
  • Strong debugging and tooling skills

Work Rights

Not specified

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