As of April 22, 2025, the average annual salary for a Custom Application Developer III in the United Kingdom is $94,206, with an hourly rate of $45, according to Salary.com Global Salary IQ data. The average salary ranges from $79,512 to $108,625, influenced by factors like location, education, experience, and more.

Global Market Data
25TH   $79,512
50TH(Median)   $94,206
75TH   $108,625
Custom Application Developer III Salaries by Percentile
Percentile Salary Location Last Updated
25th Percentile Custom Application Developer III Salary $79,512 United Kingdom April 22, 2025
50th Percentile Custom Application Developer III Salary $94,206 United Kingdom April 22, 2025
75th Percentile Custom Application Developer III Salary $108,625 United Kingdom April 22, 2025

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

Last Updated on April 22, 2025

Salary.com provides you with accurate and diversified Custom Application Developer III salary data based on specialized databases to help you get a fairer salary. The average annual pay for a Custom Application Developer III is about $94,206 a year, this translates to an approximate hourly rate of $45, a monthly salary of about $7,851, and a weekly pay of around $1,812. Click the switch button below to see more details about Custom Application Developer III hourly pay, weekly pay, monthly pay, and so on.

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

A Custom Application Developer III's salary varies significantly based on experience level. Entry typically earn $81,486 - $90,478, while Intermediate make $82,802 - $91,574, Senior earn $85,214 - $93,768, Specialist earn $88,723 - $96,789, Expert can reach $94,206 - $102,384 or more, depending on the company and location.

Levels Salary
Entry Level Custom Application Developer III $87,627
Intermediate Level Custom Application Developer III $88,723
Senior Level Custom Application Developer III $90,916
Specialist Level Custom Application Developer III $94,206
Expert Level Custom Application Developer III $99,587
$87,627 0 yr
$88,723 < 2 yrs
$90,916 2-4 yrs
$94,206 5-8 yrs
$99,587 > 8 yrs
Entry Level 7%
Intermediate Level 6%
Senior Level 3%
Specialist Level 0%
Expert Level 6%
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Last Updated on April 22, 2025

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

The top 3 highest-paying cities in the United Kingdom for Custom Application Developer III are London, Brighton and Hove, and Manchester. In London, the average salary is $101,743 per year, while Brighton and Hove offers $94,906, and Manchester pays around $90,301 annually.

Which Job Pays More: Application Systems Analysis/Developer III or Custom Application Developer III?

As of April 22, 2025 , a Application Systems Analysis/Developer III makes less than a Custom Application Developer III. A Application Systems Analysis/Developer III earns an average annual salary of $75,048. And a Custom Application Developer III earns an average annual salary of $94,206.

Job Title Salary Range in GBP
Application Systems Analysis/Developer III
$60,172
$80,747
Software Developer III
$55,020
$82,307
Mainframe Developer III
$65,445
$79,110
Application Systems Analysis/Developer I
$37,020
$54,627
Application Systems Analysis/Developer II
$44,626
$62,241

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