Software developer

Cost of hiring a software developer UK (2025/26)

Hiring a software developer in the UK is one of the most significant payroll commitments a business can make. Salaries range from around £35,000 for junior roles in most UK cities to £80,000–£90,000+ for senior engineers in London or specialist areas. At a mid-level salary of £55,000, the total employer cost before overheads is approximately £64,638 per year — salary plus £7,500 employer NI plus £1,313 pension on qualifying earnings.

UK scope. 2025/26 rates. Employer NI at 15% above £5,000, minimum pension 3% on qualifying earnings. Figures are estimates for planning.

Employer cost by level — Software developer

Level	Salary range	Example salary	Employer NI	Min pension	Total cost
Junior developer	£30,000–£42,000	£36,000	£4,650	£893	£41,543
Mid-level developer	£42,000–£65,000	£55,000	£7,500	£1,321	£63,821
Senior developer	£65,000–£90,000	£75,000	£10,500	£1,321	£86,821

Total cost = salary + employer NI + pension. No overheads included. 2025/26 rates. Methodology.

Example salary

£55,000

Gross annual salary at example rate

Employer NI

£7,500

15% above £5,000 secondary threshold

Total employer cost

£65,821

Salary + NI + pension + £2,000 overheads

Key facts

Typical salary range: £35,000–£90,000.
At £55,000 salary: employer NI ≈ £7,500/year, pension ≈ £1,320/year.
Total employer cost at £55,000 (before overheads): approximately £63,820/year.
Employer NI: 15% on earnings above the £5,000 secondary threshold (2025/26).
Minimum employer pension: 3% on qualifying earnings between £6,240 and £50,270.
Employment Allowance (up to £10,500) can offset NI for eligible small employers.

Calculate this hire

Calculate cost at any salary All employer cost calculators All roles Cost by salary NI by salary Payroll software

Next step: payroll software

Once you have modelled the cost, you will need payroll software to run the actual pay. These are the most commonly used options for UK employers.

Xero Payroll

Cloud payroll bundled with Xero accounting. Handles RTI submissions, auto-enrolment and payslip generation. Commonly used by UK small businesses already on Xero for bookkeeping.

See Xero Payroll →

QuickBooks Payroll

Payroll add-on for QuickBooks. Used by UK small employers for PAYE, NI, pension and HMRC RTI. Integrates with QuickBooks accounting.

See QuickBooks Payroll →

Sage Payroll

Long-established UK payroll software with HMRC recognition. Works standalone (without Sage accounting) and is widely used in small businesses and accountancy practices.

See Sage Payroll →

Employment Hero

HR and payroll platform used by growing UK teams. Combines contracts, onboarding, leave management and payroll in one system. HMRC RTI integrated.

See Employment Hero →

Frequently asked questions

How much does it cost to hire software developer in the UK?

At a salary of £55,000, the total employer cost including NI and minimum pension is approximately £63,820 per year before overheads. Adding typical workplace costs of £2,000–£5,000 per employee brings the realistic total to £65,820–£68,820 per year.

What is employer NI and how is it calculated?

Employer Class 1 National Insurance is paid by the employer at 15% on employee earnings above the secondary threshold of £5,000 per year in 2025/26. It is in addition to the employee's NI contribution and does not reduce take-home pay. For a salary of £35,000, employer NI is £4,500 per year (15% of £30,000 above the threshold).

Can Employment Allowance reduce my NI bill?

Yes. Eligible employers can offset up to £10,500 of annual employer NI through Employment Allowance in 2025/26. Most limited companies with at least one employee who is not also the sole director qualify. Single-director companies with no other employees cannot claim.

UK only. Last reviewed: 04 April 2026. Salary benchmarks are indicative. Employer cost figures use 2025/26 statutory rates. Not financial or legal advice.