Software Developer take-home calculator
Contract developer rates depend heavily on stack and seniority, with niche or senior engineers commanding the top of the range. Many work outside IR35 through their own limited company.
Typical day rate
£400–£750
Inside IR35 take-home*
£65,595/yr
Outside IR35 take-home*
£71,413/yr
*At £500/day over 220 billable days. Outside IR35 (limited company) is £5,818/year better at this rate.
Work out your take-home
Pre-filled with a typical software developer rate — change it to match your contract.
Inside IR35 (umbrella)
£65,595/yr
You keep 60% of the contract value
Outside IR35 (limited company)
£71,413/yr
You keep 65% of the contract value
Outside IR35 (limited company) leaves you £5,818/year better off at this rate.
Questions
What is a typical software developer day rate in the UK?
Software Developer day rates in the UK typically fall between £400 and £750, with around £500 a common mid-point. Your rate depends on experience, location, sector and IR35 status.
How much does a software developer take home after tax?
At £500 a day over 220 billable days, take-home is roughly £65,595 inside IR35 (umbrella) or £71,413 outside IR35 (limited company) for 2025/26. Adjust the calculator for your exact figures.