Mainframe Developer Jobs in London

Mainframe Developer
England > London

As of 3 May 2025, there is not enough information available from job vacancies posted within the last 6 months to determine the median Mainframe Developer salary in London.

6 months to
3 May 2025
Same period 2024 Same period 2023
Rank 398 489 629
Rank change year-on-year +91 +140 -
Permanent jobs requiring a Mainframe Developer 2 18 1
As % of all permanent jobs advertised in London 0.016% 0.076% 0.003%
As % of the Job Titles category 0.017% 0.081% 0.003%
Number of salaries quoted 0 18 1
10th Percentile - - -
25th Percentile - £52,500 £61,250
Median annual salary (50th Percentile) - £55,000 £62,500
Median % change year-on-year - -12.00% -
75th Percentile - £57,500 £63,750
90th Percentile - - -
England median annual salary - £55,000 £62,500
% change year-on-year - -12.00% -10.71%

All Permanent IT Job Vacancies
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. 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 permanent jobs in our overall sample.

Permanent vacancies in London with a recognized job title 11,467 22,216 33,633
% of permanent jobs with a recognized job title 90.18% 94.11% 95.07%
Number of salaries quoted 7,483 16,715 24,685
10th Percentile £41,250 £38,112 £42,500
25th Percentile £55,000 £51,250 £55,000
Median annual salary (50th Percentile) £75,000 £70,000 £72,500
Median % change year-on-year +7.14% -3.45% +3.57%
75th Percentile £100,000 £93,750 £95,000
90th Percentile £122,500 £115,000 £115,000
England median annual salary £57,500 £53,500 £60,800
% change year-on-year +7.48% -12.01% +1.33%

Mainframe Developer
Job Vacancy Trend in London

Job postings that featured Mainframe Developer in the job title as a proportion of all IT jobs advertised in London.

Job vacancy trend for Mainframe Developer in London

Mainframe Developer
Salary Trend in London

3-month moving average salary quoted in jobs citing Mainframe Developer in London.

Salary trend for Mainframe Developer in London

Mainframe Developer Skill Set
Top 30 Co-occurring Skills and Capabilities in London

For the 6 months to 3 May 2025, Mainframe Developer job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region featuring Mainframe Developer in the job title.

1 2 (100.00%) COBOL
1 2 (100.00%) DB2
1 2 (100.00%) IBM
1 2 (100.00%) CICS
1 2 (100.00%) Mainframe
1 2 (100.00%) DevOps
1 2 (100.00%) Test Automation
1 2 (100.00%) zOS
2 1 (50.00%) JCL
2 1 (50.00%) Azure
2 1 (50.00%) AWS
2 1 (50.00%) Jenkins
2 1 (50.00%) Infrastructure Management
2 1 (50.00%) Ansible
2 1 (50.00%) Mentoring
2 1 (50.00%) GCP
2 1 (50.00%) Hybrid Cloud
2 1 (50.00%) Performance Optimisation
2 1 (50.00%) Problem-Solving
2 1 (50.00%) Technical Leadership
2 1 (50.00%) Infrastructure as Code
2 1 (50.00%) Social Skills
2 1 (50.00%) Legacy Systems
2 1 (50.00%) CI/CD
2 1 (50.00%) Code Quality
2 1 (50.00%) Generative AI
2 1 (50.00%) Stakeholder Management
2 1 (50.00%) Agile
2 1 (50.00%) Strategic Planning
2 1 (50.00%) Git

Mainframe Developer Skill Set
Co-occurring Skills and Capabilities in London 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 2 (100.00%) CICS
Cloud Services
1 1 (50.00%) AWS
1 1 (50.00%) Azure
1 1 (50.00%) GCP
Database & Business Intelligence
1 2 (100.00%) DB2
Development Applications
1 1 (50.00%) Git
1 1 (50.00%) Jenkins
General
1 1 (50.00%) Social Skills
Miscellaneous
1 2 (100.00%) Mainframe
2 1 (50.00%) Hybrid Cloud
2 1 (50.00%) Legacy Systems
Operating Systems
1 2 (100.00%) zOS
2 1 (50.00%) Linux
Processes & Methodologies
1 2 (100.00%) DevOps
1 2 (100.00%) Test Automation
2 1 (50.00%) Agile
2 1 (50.00%) CI/CD
2 1 (50.00%) Code Quality
2 1 (50.00%) Generative AI
2 1 (50.00%) Infrastructure as Code
2 1 (50.00%) Infrastructure Management
2 1 (50.00%) Mentoring
2 1 (50.00%) Performance Optimisation
2 1 (50.00%) Problem-Solving
2 1 (50.00%) Stakeholder Management
2 1 (50.00%) Strategic Planning
2 1 (50.00%) Technical Leadership
Programming Languages
1 2 (100.00%) COBOL
2 1 (50.00%) Assembly Language
2 1 (50.00%) JCL
2 1 (50.00%) Python
2 1 (50.00%) REXX
Systems Management
1 1 (50.00%) Ansible
Vendors
1 2 (100.00%) IBM