Budget by Stage
Seed ($1-3M raised): 2-4 engineers, $300-600K/year total eng spend, 0 managers, infrastructure: $1-3K/month, tools: $500/month.
Series A ($5-15M): 8-15 engineers, $1.5-3M/year, 1-2 managers, infrastructure: $5-20K/month, tools: $3-5K/month.
Series B ($15-50M): 25-50 engineers, $5-10M/year, 3-6 managers, infrastructure: $20-80K/month, tools: $10-25K/month.
Series C ($50M+): 50-100+ engineers, $10-20M+/year, 8-15 managers, infrastructure: $80-200K/month, tools: $25-50K/month.