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# Backend Infrastructure Engineer, Anti-Bot

- **Company:** True
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Data Mining, Python (Programming Language), Networking Basics, Prometheus, Session Management, TCP/IP, Captcha, Grafana, Backend
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_cd0c3a5681cc8e3ffbf1ddc7b69940cb

## About the Role

* More than 3 years of experience in adversarial web infrastructure or proxy-layer engineering, with recent hands-on work in web extraction.
 * Production experience building proxy infrastructure and extraction systems that operate against aggressive anti-bot defenses, and ownership of related success-rate metrics.
 * Experience bypassing major commercial anti-bot platforms in production, and managing browser or TLS fingerprints and CAPTCHA or challenge-solving infrastructure.
 * Proficiency in Go and/or Python, with networking fundamentals including TCP/IP, HTTP/2, connection pooling, and proxy orchestration.
 * Experience with observability and on-call tooling such as Prometheus and Grafana.

## Description

Join an infrastructure team building reliable web data extraction systems for a B2B SaaS platform. You will own production systems that keep extraction working against websites with actively changing anti-bot defenses., * Architect and operate proxy rotation, IP and session management, and isolated egress infrastructure at scale.

 * Improve extraction success rates against aggressive anti-bot and anti-scraping defenses.
 * Build and maintain browser and TLS fingerprinting, CAPTCHA handling, and challenge-solving systems.
 * Manage proxy-layer reliability, cost efficiency, and operating economics.
 * Investigate intermittent production failures across the stack and implement durable fixes.
 * Own systems end to end, including production health and on-call responsibilities.