Senior Backend Infrastructure Engineer (Hybrid SF)

Visa Hunt; San Francisco (CA); Hybrid; USD 190,000 - 260,000; Full time

Benefits offered by this job

Salary

Equity

PTO

Parental leave

Wellness stipend

Learning & Development

Team offsites

Sabbatical

Job summary

Firecrawl is the easiest way to turn the web into data AI agents can use. This role focuses on building and maintaining the infrastructure that powers reliable data collection at scale, enduring sites that fight back, and keeping the proxy layer healthy and cost-efficient.

You’ll own real infrastructure from day one, tackle high‑throughput networking challenges, and work in a fast, frontier stage startup where everyone ships, measures, and iterates.

Qualifications

• 3+ years in backend, networking, or infrastructure engineering.
• Experience with networking, proxies, or high-throughput backend systems.
• Relentless about reliability and comfortable in adversarial problem spaces.
• Ability to own a system end to end and keep it healthy in production.

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

Backend systems

Networking

Reliability engineering

Job description

Firecrawl is the easiest way to turn the web into data AI agents can use. This role focuses on building and maintaining the infrastructure that powers reliable data collection at scale, enduring sites that fight back, and keeping the proxy layer healthy and cost-efficient.

You’ll own real infrastructure from day one, tackle high‑throughput networking challenges, and work in a fast, frontier stage startup where everyone ships, measures, and iterates.