Software Developer Salary UK 2026: Benchmarks by Role and Real Employer Cost
By TalentDock Editorial Team · Updated 24 September 2026 · 8 min read
UK developer salaries by role (2026)
| Role | 25th percentile | Midpoint (50th) | 75th percentile |
|---|---|---|---|
| Back-end developer | £45,000 | £54,250 | £73,000 |
| Front-end developer | £44,500 | £56,000 | £73,000 |
| Full-stack developer | £43,500 | £59,000 | £77,250 |
| Data engineer | £56,000 | £65,250 | £77,750 |
| DevOps engineer | £58,250 | £70,750 | £83,250 |
| Lead engineer | £65,000 (low) | - | £81,000 (high) |
| QA / test engineer | - | £36,000-£44,500 (by job title)* | - |
Source: Robert Half 2026 UK salary guide role pages (percentiles reflect experience: 25th = little experience, 50th = average, 75th = above-average with specialist skills). Lead engineer range from Robert Half’s 2026 in-demand roles list. *QA figures are CV-Library job-title benchmarks, not percentiles (test engineer, software test engineer, QA engineer), April 2026. National figures; London typically pays more.
Why developer salaries are rising
Robert Half’s research counts over 54,000 UK tech job postings in Q2 2026, with software development and testing the largest subcategory. 70% of tech hiring managers say they will pay higher salaries for niche skills, and 39% of businesses plan to grow their tech teams. Back-end, full-stack, DevOps, data and lead engineer roles all appear on its 2026 list of the UK’s most in-demand tech jobs.
From salary to true employer cost
| Role | Salary | Employer cost / year | Per month |
|---|---|---|---|
| Back-end developer | £54,250 | £62,958 | £5,247 |
| Front-end developer | £56,000 | £64,971 | £5,414 |
| Full-stack developer | £59,000 | £68,421 | £5,702 |
| Data engineer | £65,250 | £75,608 | £6,301 |
| DevOps engineer | £70,750 | £81,934 | £6,828 |
Includes 15% employer NICs above £5,000 and 3% minimum employer pension on qualifying earnings. Excludes recruitment, equipment, office and benefits. Full model: offshore development cost UK.
The offshore alternative
Many UK companies now combine a core UK team with dedicated offshore engineers. Through TalentDock, dedicated developers in Sri Lanka cost from £1,695 a month all-in and DevOps or data engineers from £2,295: roughly a third of UK employer cost. See hire offshore developers or UK vs Sri Lanka software development.
Frequently asked questions
What is the average software developer salary in the UK?
Robert Half’s 2026 midpoints for mid-level developers range from £54,250 (back-end) to £59,000 (full-stack), rising to £65,250-£70,750 for data and DevOps engineers.
What does a full-stack developer earn in the UK?
£43,500 at the 25th percentile, £59,000 at the midpoint and £77,250 at the 75th percentile (Robert Half 2026).
What does a back-end developer earn in the UK?
£45,000-£73,000, with a £54,250 midpoint (Robert Half 2026).
What does a front-end developer earn in the UK?
£44,500-£73,000, with a £56,000 midpoint (Robert Half 2026).
How much does a developer cost an employer?
Roughly 15-20% more than salary once employer NICs and pension are included, before recruitment and equipment.
Do London developers earn more?
Generally yes; these are national benchmarks and London roles usually pay a premium.
Robert Half, 2026 UK Salary Guide and role pages; Most in-demand tech jobs in the UK 2026; CV-Library QA test engineer salary benchmarks, April 2026; HMRC employer NICs 2025-26.
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