Senior Software Engineer, Browser Automation

What this role involves

Horizon3.ai is hiring a Senior Software Engineer for browser automation to build and harden an autonomous web application penetration testing crawler. The role involves working with Playwright, Stagehand, TypeScript, and Node.js to handle complex web app navigation, authentication, and anti-bot defenses. The position is remote and requires deep expertise in browser automation and distributed systems.

Skills this posting asks for

• playwright
• stagehand
• typescript
• node.js
• chromium
• puppeteer
• selenium
• chrome devtools protocol
• network interception
• dom
• javascript execution contexts
• distributed systems
• queues
• backpressure
• retries
• idempotency
• llm
• authentication
• spa
• mfa
• totp
• crawling
• web application security
• pentesting

Requirements

• Level: senior
• Remote policy: remote

From the employer’s posting

Get to Know Us Horizon3.ai http://Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZero™ platform, delivers pro…