z/OS Developer Contract Job Trends

IBM z/OS Developer
UK

The median IBM z/OS Developer daily rate in the UK is £525, according to job vacancies posted in the 6 months leading up to 26 February 2026.

The table below compares current contractor rates and summary statistics with the previous two years.

6 months to
26 Feb 2026
Same period 2025 Same period 2024
Rank 607 - -
Rank change year-on-year - - -
Contract jobs requiring a z/OS Developer 1 0 0
As % of all contract jobs in the UK 0.002% - -
As % of the Job Titles category 0.003% - -
Number of daily rates quoted 1 0 0
10th Percentile - - -
25th Percentile £513 - -
Median daily rate (50th Percentile) £525 - -
75th Percentile £538 - -
90th Percentile - - -
UK excluding London median daily rate £525 - -

All Contract IT Job Roles
UK

For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

Contract vacancies in the UK with a recognized job title 38,045 28,496 40,781
% of contract IT jobs with a recognized job title 91.80% 92.87% 93.00%
Number of daily rates quoted 23,894 17,862 26,852
10th Percentile £309 £293 £275
25th Percentile £408 £406 £409
Median daily rate (50th Percentile) £500 £525 £525
Median % change year-on-year -4.76% - -4.55%
75th Percentile £613 £638 £638
90th Percentile £721 £738 £738
UK excluding London median daily rate £481 £475 £488
% change year-on-year +1.32% -2.56% -2.50%
Number of hourly rates quoted 2,319 828 2,327
10th Percentile £14.61 £16.43 £13.15
25th Percentile £18.87 £21.50 £16.30
Median hourly rate £33.17 £35.00 £35.00
Median % change year-on-year -5.23% - -10.26%
75th Percentile £63.75 £64.50 £60.00
90th Percentile £74.68 £75.00 £71.90
UK excluding London median hourly rate £31.00 £32.50 £35.00
% change year-on-year -4.62% -7.14% -2.78%

z/OS Developer
Job Vacancy Trend

Historical trend showing the proportion of contract IT job postings featuring 'z/OS Developer' in the job title relative to all contract IT jobs advertised.

z/OS Developer job vacancy trend in the UK

z/OS Developer
Daily Rate Trend

Contractor daily rate distribution trend for z/OS Developer job vacancies in the UK.

Contractor daily rate distribution trend for z/OS Developer job vacancies in the UK

z/OS Developer
Top 3 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing z/OS Developer within the UK over the 6 months to 26 February 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Scotland - 1 £525 -
Work from Home - 1 £525 -
UK excluding London - 1 £525 -

z/OS Developer Skill Set
Top 9 Co-Occurring Skills & Capabilities

For the 6 months to 26 February 2026, z/OS Developer contract job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all contract job ads featuring z/OS Developer in the job title.

1 1 (100.00%) Continuous Improvement
1 1 (100.00%) IBM
1 1 (100.00%) Middleware
1 1 (100.00%) Problem Management
1 1 (100.00%) Project Delivery
1 1 (100.00%) Roadmaps
1 1 (100.00%) Technology Roadmap
1 1 (100.00%) Technology Strategy
1 1 (100.00%) zOS

z/OS Developer Skill Set
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

General
1 1 (100.00%) Analytical Skills
1 1 (100.00%) Finance
1 1 (100.00%) Legal
1 1 (100.00%) Retail
Libraries, Frameworks & Software Standards
1 1 (100.00%) Middleware
Miscellaneous
1 1 (100.00%) Clustering
1 1 (100.00%) Mainframe
Operating Systems
1 1 (100.00%) zOS
Processes & Methodologies
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Problem Management
1 1 (100.00%) Project Delivery
1 1 (100.00%) Roadmaps
1 1 (100.00%) Technology Roadmap
1 1 (100.00%) Technology Strategy
Vendors
1 1 (100.00%) IBM