AS400 Contracts

IBM AS/400
UK

The table below looks at the prevalence of the term AS400 in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that cited AS400 over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 506 570 651
Rank change year-on-year +64 +81 +142
Contract jobs citing AS400 14 12 67
As % of all contract jobs advertised in the UK 0.048% 0.028% 0.11%
As % of the Miscellaneous category 0.14% 0.091% 0.34%
Number of daily rates quoted 6 1 35
10th Percentile £386 - £305
25th Percentile £441 - £434
Median daily rate (50th Percentile) £575 £420 £525
Median % change year-on-year +36.90% -20.00% +16.67%
75th Percentile £600 - £613
90th Percentile £613 - £730
UK excluding London median daily rate £425 - £313
% change year-on-year - - -7.41%
Number of hourly rates quoted 0 4 0
Median hourly rate - £22.50 -
UK excluding London median hourly rate - £22.50 -

All Generic Skills
UK

AS400 falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring generic IT skills.

Contract vacancies with a requirement for generic IT skills 9,944 13,250 19,897
As % of all contract IT jobs advertised in the UK 33.97% 30.42% 33.34%
Number of daily rates quoted 6,345 8,502 13,668
10th Percentile £300 £263 £308
25th Percentile £413 £413 £450
Median daily rate (50th Percentile) £525 £538 £550
Median % change year-on-year -2.33% -2.27% -
75th Percentile £650 £660 £680
90th Percentile £775 £788 £800
UK excluding London median daily rate £496 £500 £500
% change year-on-year -0.80% - +5.26%
Number of hourly rates quoted 394 912 640
10th Percentile £16.46 £12.25 £9.80
25th Percentile £21.00 £15.17 £10.63
Median hourly rate £32.05 £30.00 £22.49
Median % change year-on-year +6.83% +33.42% -18.24%
75th Percentile £63.75 £60.75 £65.00
90th Percentile £82.99 £70.00 £75.00
UK excluding London median hourly rate £31.08 £28.25 £22.00
% change year-on-year +10.02% +28.41% +9.64%

AS400
Job Vacancy Trend

Job postings citing AS400 as a proportion of all IT jobs advertised.

Job vacancy trend for AS400 in the UK

AS400
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing AS400.

Daily rate trend for AS400 in the UK

AS400
Daily Rate Histogram

Daily rate distribution for jobs citing AS400 over the 6 months to 1 May 2025.

Daily rate histogram for AS400 in the UK

AS400
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing AS400.

Hourly rate trend for AS400 in the UK

AS400
Top 9 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing AS400 within the UK over the 6 months to 1 May 2025. 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
England +60 13 £575 +36.90% 9
London +41 9 £600 +42.86% 4
Work from Home - 6 £600 - 1
UK excluding London +63 4 £425 - 10
Midlands +20 2 £485 - 3
West Midlands +12 2 £485 -
Yorkshire - 1 £425 -
North of England - 1 £425 -
South East - 1 - - 4

AS400
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 4 (28.57%) MQSeries
Business Applications
1 2 (14.29%) Misys Midas
Cloud Services
1 2 (14.29%) Azure
Database & Business Intelligence
1 2 (14.29%) DB2
General
1 6 (42.86%) Finance
2 5 (35.71%) Banking
3 4 (28.57%) Private Banking
4 2 (14.29%) Social Skills
5 1 (7.14%) Analytical Skills
5 1 (7.14%) Inclusion and Diversity
5 1 (7.14%) Law
Job Titles
1 7 (50.00%) Developer
2 5 (35.71%) RPG Developer
3 3 (21.43%) Analyst
4 2 (14.29%) Analyst Developer
4 2 (14.29%) Architect
4 2 (14.29%) AS400 Developer
4 2 (14.29%) Azure Architect
4 2 (14.29%) Migration Architect
5 1 (7.14%) Administrator
5 1 (7.14%) Analyst Programmer
5 1 (7.14%) AS400 Analyst Programmer
5 1 (7.14%) AS400 Programmer
5 1 (7.14%) Data Engineer
5 1 (7.14%) Disaster Recovery Manager
5 1 (7.14%) Disaster Recovery Test Manager
5 1 (7.14%) IT Manager
5 1 (7.14%) Programmer
5 1 (7.14%) Test Manager
Libraries, Frameworks & Software Standards
1 4 (28.57%) XML
2 2 (14.29%) Middleware
3 1 (7.14%) Web Services
Miscellaneous
1 10 (71.43%) iSeries
2 2 (14.29%) Derivative
3 1 (7.14%) Data Centre
3 1 (7.14%) Mainframe
Operating Systems
1 1 (7.14%) Linux
1 1 (7.14%) Unix
1 1 (7.14%) Windows
Processes & Methodologies
1 3 (21.43%) Wealth Management
2 2 (14.29%) Change Control
2 2 (14.29%) Computer Science
2 2 (14.29%) Integration Testing
2 2 (14.29%) ITIL
2 2 (14.29%) Migration
2 2 (14.29%) Portfolio Management
3 1 (7.14%) Agile
3 1 (7.14%) Asset Management
3 1 (7.14%) Collaborative Working
3 1 (7.14%) Disaster Recovery
3 1 (7.14%) Error Analysis
3 1 (7.14%) IT Audit
3 1 (7.14%) Problem-Solving
3 1 (7.14%) Project Management
3 1 (7.14%) Service Delivery
3 1 (7.14%) Service Management
3 1 (7.14%) Strategic Planning
3 1 (7.14%) Test Automation
3 1 (7.14%) Translating Business Requirements
Programming Languages
1 8 (57.14%) RPG
2 7 (50.00%) SQL
3 3 (21.43%) RPG IV
4 2 (14.29%) Java
4 2 (14.29%) Python
5 1 (7.14%) R
5 1 (7.14%) RPG/400
Qualifications
1 2 (14.29%) Computer Science Degree
1 2 (14.29%) Degree
Quality Assurance & Compliance
1 3 (21.43%) QA
Systems Management
1 3 (21.43%) Control-M
Vendors
1 11 (78.57%) IBM
2 1 (7.14%) AppDynamics
2 1 (7.14%) Infor
2 1 (7.14%) Splunk