Free Tool
Staffing Cost Calculator
Junior on payroll vs senior freelance vs agency: the real total cost of your mobile mission, over time.
Your mission
French employer charges ~45%
weeks at reduced productivity
Business days = months × 21.7 × (days-per-week / 5).
Junior = loaded salary × months/12 + ramp-up cost (≈50% productivity lost).
Total cost over the mission
0 billed days
Junior on payroll —
+ unquantified tech debt
Senior freelance —
Agency —
A junior costs less per day, more in total.
Over time, the senior freelance costs the least and ships from day 1. Let's talk.