Backend Infrastructure Engineer — High-Throughput

Visa Hunt; San Francisco (CA); Hybrid; USD 200,000 - 250,000; Full time

Job summary

Firecrawl is hiring a Backend Infrastructure Engineer to own the infrastructure that makes data collection fast and reliable at scale. You will tackle hard, production-grade challenges, including proxy-layer health, throughput, and defenses from aggressive sites.

This role demands deep systems thinking and urgent execution in a fast-moving AI-focused environment. You will work hybrid in San Francisco, with on-site responsibilities and full-time commitment.

Qualifications

• 3+ years in backend, networking, or infrastructure engineering.
• Experience with proxies and high-throughput systems.
• Willingness to own end-to-end systems and production ownership.

Responsibilities

• Build and maintain the infrastructure that powers reliable data collection at scale.
• Improve success rates against sites with aggressive defenses.
• Own the health, rotation, and cost efficiency of the proxy layer.
• Push throughput and reliability under heavy, spiky real-world load.
• Debug hard, intermittent failures across the stack and make them stay fixed.

Skills

Networking

Proxies

High-throughput systems

Job description

Firecrawl is hiring a Backend Infrastructure Engineer to own the infrastructure that makes data collection fast and reliable at scale. You will tackle hard, production-grade challenges, including proxy-layer health, throughput, and defenses from aggressive sites.

This role demands deep systems thinking and urgent execution in a fast-moving AI-focused environment. You will work hybrid in San Francisco, with on-site responsibilities and full-time commitment.