Senior Software Engineer – Web Access for Agentic Search

About the role

We are looking for a Senior Software Engineer to build the web access infrastructure behind a novel search engine designed for agentic AI. In this role you will investigate how modern websites communicate with browsers and translate that understanding into production systems operating at internet scale. You will build browser infrastructure and tooling that enables reliable, efficient access to web content across a rapidly changing web.

Key responsibilities

• Research and analyse how modern websites communicate with browsers across the complete request lifecycle.
• Investigate browser fingerprinting, client verification mechanisms, and modern web technologies to enable reliable web access.
• Build tooling for browser instrumentation, debugging, observability, and large‑scale experimentation.
• Translate technical research into production systems operating at internet scale.

Required profile

• 5+ years of experience as a software engineer working on production backend or infrastructure systems.
• Expertise in browser technologies such as Chromium architecture, browser lifecycle, and Chrome DevTools Protocol.

Required skills

• Chromium architecture
• Browser lifecycle and navigation
• Chrome DevTools Protocol (CDP)
• Playwright, Puppeteer, Selenium
• HTTP/1.1, HTTP/2, HTTP/3
• TLS, DNS
• Cookies and browser storage
• JavaScript execution
• Go, C++, Rust, Python
• Kubernetes and cloud infrastructure

What we offer

• Competitive compensation
• Career growth and learning opportunities
• Flexibility and ownership
• Collaborative and innovative culture
• Opportunity to work on impactful AI projects
• International environment and talented teams