Backend Infrastructure Engineer

You will work on the infrastructure that makes Firecrawl fast and reliable against a web that constantly changes and fights back. This is deep systems work: keeping success rates high against sites with aggressive defenses, managing the proxy layer that powers reliable data collection at scale, and pushing throughput and reliability under heavy, spiky load.

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

Requirements:

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

Benefits & Perks:

• Salary: $200,000–$250,000/year
• Equity: Up to 0.05%
• Generous PTO: 15 days mandatory, anything after 24 days, just ask
• Parental leave: 12 weeks fully paid
• Wellness stipend: $100/month
• Learning & Development: Expense up to $1,000/year
• Team offsites
• Sabbatical: 3 paid months off after 4 years
• Additional benefits for US-based full-time employees and SF-based employees