As of April 22, 2025, the average annual salary for a Mainframe Developer III in Glasgow, UK is £48,546, with an hourly rate of £23, according to Salary.com Global Salary IQ data. The average salary ranges from £40,931 to £55,989, influenced by factors like location, education, experience, and more.

Global Market Data
25TH   £40,931
50TH(Median)   £48,546
75TH   £55,989
Mainframe Developer III Salaries by Percentile
Percentile Salary Location Last Updated
25th Percentile Mainframe Developer III Salary £40,931 United Kingdom April 22, 2025
50th Percentile Mainframe Developer III Salary £48,546 United Kingdom April 22, 2025
75th Percentile Mainframe Developer III Salary £55,989 United Kingdom April 22, 2025

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How Much Does a Mainframe Developer III Make by Hour, Week, Month, and Year?

Last Updated on April 22, 2025

Salary.com provides you with accurate and diversified Mainframe Developer III salary data based on specialized databases to help you get a fairer salary. The average annual pay for a Mainframe Developer III is about £48,546 a year, this translates to an approximate hourly rate of £23, a monthly salary of about £4,045, and a weekly pay of around £934. Click the switch button below to see more details about Mainframe Developer III hourly pay, weekly pay, monthly pay, and so on.

How Much Do Mainframe Developer IIIs Earn at Different Levels in 2025?

A Mainframe Developer III's salary varies significantly based on experience level. Entry typically earn £41,954 - £46,614, while Intermediate make £42,636 - £47,182, Senior earn £43,886 - £48,319, Specialist earn £47,978 - £52,212, Expert can reach £49,879 - £54,322 or more, depending on the company and location.

Levels Salary
Entry Level Mainframe Developer III £45,136
Intermediate Level Mainframe Developer III £45,705
Senior Level Mainframe Developer III £46,841
Specialist Level Mainframe Developer III £50,768
Expert Level Mainframe Developer III £52,767
£45,136 0 yr
£45,705 < 2 yrs
£46,841 2-4 yrs
£50,768 5-8 yrs
£52,767 > 8 yrs
Entry Level 7%
Intermediate Level 6%
Senior Level 4%
Specialist Level 5%
Expert Level 9%
View as Table
View as Graph
Last Updated on April 22, 2025

Skills to Boost a Mainframe Developer III Salary

Mastering key skills can significantly increase your earning potential as a Mainframe Developer III. According to Salary.com's Real-time Job Posting Data, expertise in Analysis can lead to a 6% salary raise, while strong SDLC skills boost pay by a 1%. Even Operating System can result in a 1% salary increase.

Skill Library evaluates talent skills across five levels, supported by 5-10 behavior indicators, delivering precise insights for data-driven hiring decisions.
Analysis
Analysis is the process of considering something carefully or using statistical methods in order to understand it or explain it.
SDLC
The Software Development Life Cycle (SDLC) is a structured process that enables the production of high-quality, low-cost software, in the shortest possible production time.
Operating System
Maintaining software that runs on a computer that serves as an interface between computer hardware components and the user.
More Skills...
Based on recent job listings, in-demand skills in the Mainframe Developer III field include Analysis (6%), SDLC (1%), and Operating System (1%). These skills reflect current market needs.
Skills Salary Demand
Skill & Salary Demand
Analysis £53,996
Analysis
£53,996
6%
SDLC £51,449
SDLC
£51,449
1%
Operating System £51,449
Operating System
£51,449
1%
Analysis
6.83%
SDLC
8.65%
Operating System
4.45%

What are the Highest Paying Cities in the United Kingdom for Mainframe Developer III?

The top 3 highest-paying cities in the United Kingdom for Mainframe Developer III are London, Brighton and Hove, and Manchester. In London, the average salary is £55,015 per year, while Brighton and Hove offers £51,318, and Manchester pays around £48,829 annually.

Which Job Pays More: Senior Mainframe Programmer or Mainframe Developer III?

As of April 22, 2025 , a Senior Mainframe Programmer makes less than a Mainframe Developer III. A Senior Mainframe Programmer earns an average annual salary of £50,302. And a Mainframe Developer III earns an average annual salary of £50,940.

Job Title Location Salary Range in GBP
Senior Mainframe Programmer Glasgow, UK
£45,538
£55,047
Mainframe Programmer Glasgow, UK
£34,132
£41,964
Mainframe Developer II Glasgow, UK
£34,145
£41,980
Intermediate Mainframe Programmer Glasgow, UK
£33,975
£41,771

Mainframe Developer III Job Openings in Glasgow, UK

Python Developer
Xtremepush
Milton Keynes, South East England

About The Role. As a Python developer at Xtremepush, you will be part of our Customer Data team and will report into our Customer Data Team Lead. You ...

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