Horizon3.ai logo
Horizon3.ai

Continuous, autonomous pentesting, powered by NodeZero. Are your systems secure? Don't wait for a breach to find out!

Senior Software Engineer, Browser Automation

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200Since 2019H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

1 day ago

Salary

$169K - $208K / year

Seniority

Senior

Job Description

Senior Software Engineer, Browser Automation

Horizon3.ai

• Help us grow and harden our browser automation and crawling engine • Advance our browser-driven crawler using Playwright and Stagehand • Tackle modern web app challenges: SPA routing, multi-step flows, etc. • Extend agentic login and authentication capabilities • Improve crawl coverage, determinism, and throughput • Collaborate with attack-team engineers to shape application maps

Job Requirements

  • Experience building production software, with deep hands-on experience in browser automation (Playwright, Puppeteer, or Selenium)
  • Strong TypeScript / Node.js skills
  • A track record of dealing with flaky, stateful, JavaScript-heavy apps
  • Solid instincts for distributed/concurrent systems
  • A bias toward determinism and debuggability
  • Ownership mentality

Benefits

  • Health, vision & dental insurance for you and your family
  • Flexible vacation policy
  • Generous parental leave
  • Growth opportunities
  • Innovative culture

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