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ICT system developer salary in the UK (2026)

What does a ICT system developer earn?

What employers advertise across the UK.

£45,000 per year, median

the midpoint of 33 advertised salaries from 16 employers, collected 28 Aug 2026 – 18 Oct 2026

about £3,700 a month

Low
£36,000
Median
£45,000
Average
£44,100
High
£50,000
Median Average
Low £36,000 High £50,000
The bar leaves out the highest and lowest tenth of advertised salaries; the darker section is the middle half.

Half of the adverts fall between £42,500 and £50,000. “Low” and “high” are the bottom and top tenth of what is advertised, not the single cheapest and dearest advert — one unusual posting should not decide either end.

How this figure was worked out

  • 33 advertised salaries, from 16 different employers.
  • Collected between 28 Aug 2026 and 18 Oct 2026.
  • Stated in the advert as a yearly figure (26), an hourly rate (7). Hourly and monthly figures are converted to a year at 1,950 hours, so they can be compared with the ones stated annually.
  • Figures are rounded to the nearest hundred. Adverts offering part-time only are left out, because a part-time figure is not comparable with a full-time one.

These are advertised salaries, read from the text of employers’ own job adverts. They are not verified with the employer, they are not what anyone is necessarily paid, and they are not a pay survey.

Open ICT system developer jobs

Pensions Systems Developer Sanderson Recruitment · London · New Systems Developer - Dynamics 365 (FTSE250!) Robert Half · London · Full-time Cics Systems Programmer Teksystems · London · 425–475 £/day Warehouse Systems Developer (Blue Yonder JavaScript) - Outside IR35 £550 per day Exalto Consulting ltd · London · Case Management System Developer Coaction Recruitment Ltd · London · ICT Systems Developer VolkerWessels Uk · London · CICS Mainframe Systems Programmer The Nippon Telegraph and Telephone Corporation (NTT) · London · Full-time z/OS Mainframe Systems Programmer The Nippon Telegraph and Telephone Corporation (NTT) · London · Full-time ICT Systems Developer VolkerWessels Uk · Hoddesdon · Full-time Mainframe Systems Programmer (IMS) Barclays · Knutsford · Full-time Quant Systems Developer Quant Capital · London · Full-time Systems Developer – High Performance Trading Infrastructure Quant Capital · London · Full-time Senior Systems Developer Brightwell · Chesterfield · Senior Systems Developer Brightwell · London · Full-time Backend Systems Developer Candour Solutions Limited · Liverpool · z/OS Mainframe Systems Programmer NTT DATA · London · Systems Developer Cobalt Recruitment · London · Linux Systems Developer – Quant Trading Quant Capital · London · Full-time Case Management System Developer Coaction Recruitment Ltd · Manchester · 35–50k £/yr Case Management System Developer Coaction Recruitment Ltd · Liverpool · 35–50k £/yr