How Much Does a Mainframe Developer III Make in the United Kingdom? Salary Range, Hourly Rate and More
As of April 22, 2025, the average annual salary for a Mainframe Developer III in the United Kingdom is £50,940, with an hourly rate of £24, according to Salary.com Global Salary IQ data. The average salary ranges from £42,950 to £58,750, influenced by factors like location, education, experience, and more.
Convert Currency to USD| Percentile | Salary | Location | Last Updated |
| 25th Percentile Mainframe Developer III Salary | £42,950 | United Kingdom | April 22, 2025 |
| 50th Percentile Mainframe Developer III Salary | £50,940 | United Kingdom | April 22, 2025 |
| 75th Percentile Mainframe Developer III Salary | £58,750 | 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, 2025Salary.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 £50,940 a year, this translates to an approximate hourly rate of £24, a monthly salary of about £4,245, and a weekly pay of around £980. 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 £44,023 - £48,913, while Intermediate make £44,739 - £49,509, Senior earn £46,051 - £50,701, Specialist earn £50,344 - £54,787, Expert can reach £52,339 - £57,001 or more, depending on the company and location.
| Levels | Salary |
|---|---|
| Entry Level Mainframe Developer III | £47,362 |
| Intermediate Level Mainframe Developer III | £47,959 |
| Senior Level Mainframe Developer III | £49,151 |
| Specialist Level Mainframe Developer III | £53,271 |
| Expert Level Mainframe Developer III | £55,370 |
| Entry Level | 7% |
| Intermediate Level | 6% |
| Senior Level | 4% |
| Specialist Level | 5% |
| Expert Level | 9% |
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.
| 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%
|
Which Job Pays More: Senior Mainframe Programmer or Mainframe Developer III?
As of April 22, 2025 , a Senior Mainframe Programmer makes more than a Mainframe Developer III. A Senior Mainframe Programmer earns an average annual salary of £52,782. And a Mainframe Developer III earns an average annual salary of £50,940.
| Job Title | Salary Range in GBP |
|---|---|
| Senior Mainframe Programmer |
|
| Mainframe Programmer |
|
| Mainframe Developer II |
|
| Intermediate Mainframe Programmer |
|
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