Home > Salary > United Kingdom > As400 Developer
An AS400 developer is responsible for designing, developing, and maintaining applications on the IBM AS400 platform. They work closely with business analysts and end-users to gather requirements and translate them into technical specifications. Using programming languages such as RPG (Report Program Generator) and CL (Control Language), they develop and test software solutions that meet the business needs. AS400 developers also troubleshoot and resolve issues, perform system upgrades and enhancements, and provide ongoing support and maintenance.
Estimated Yearly Salary: 56,105 GBP
Estimated Monthly Salary: 4,675 GBP
Estimated Weekly Salary: 1,079 GBP per week
Estimated Hourly Salary: 27 GBP per hour
Values are pre-tax
Last revision of data: 2025-01-04
Estimated Monthly Salary: 4,534 GBP
Estimated Weekly Salary: 1,046 GBP per week
Estimated Hourly Salary: 26 GBP per hour
Last revision of data: 2024-04-18
Estimated Yearly Salary: 66,198 USD
Estimated Monthly Salary: 5,517 USD
Estimated Weekly Salary: 1,273 USD per week
Estimated Hourly Salary: 32 USD per hour
Difference in salary year over year or average salary increase is approximately
3 %
Data confidence is - relatively high
Data fetched from dabase: 14 submissions.
Results are anonymized. Amounts indicated are pre-tax, meaning no deductionts yet have been made to the basic salary. Salaries where there are less than 3 entries are not displayed.
Want to check how your salary compares? Submit your own salary here
Estimated Yearly Salary: 56,105 GBP
Estimated Monthly Salary: 4,675 GBP
Estimated Weekly Salary: 1,079 GBP per week
Estimated Hourly Salary: 27 GBP per hour
By working as As400 Developer a person can save up to 3,561 USD per month or 42,731 USD yearly. Values are pre-tax.
NOTE: These values are estimates and are averaged for the whole country. Furthermore the value is likely exaggerated as no other expenses are taken into account in the projection. Unessential expenses are very subjective and are difficult to assess. Most likely the previously estimated number is significantly lower for majority of people. Expenses in different cities across the country may vary. Above values accuracy is low and is based on limited set of data obtained.
For more information regarding expenses in United Kingdom, see costs of living in United Kingdom.
Estimated Yearly Salary for As400 Developer
Last revision of data: 2025-01-04
Data as of 2025
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As400 Developer salary in United Kingdom
Average Yearly Salary of As400 Developer in United Kingdom is approximately 56,105 GBP (66,198 USD). Data is for 2025 and indicates a pre-tax value. The salary itself depends on multiple factors such as seniority, job performance, certifications, experience or any other bonuses. The value indicated is an average amount based on records we have in database. Real values may vary. The data is for orientational purposes.
What does As400 Developer do?

Skills: AS400 developer, IBM AS400, RPG programming, CL programming, software development, system maintenance
Job industry: Software development
Job industry: Software development
How much does As400 Developer make?
Salary details
How much does As400 Developer make?Estimated Yearly Salary: 56,105 GBP
Estimated Monthly Salary: 4,675 GBP
Estimated Weekly Salary: 1,079 GBP per week
Estimated Hourly Salary: 27 GBP per hour
Comparing salary to last year:
Estimated Yearly Salary: 54,413 GBPEstimated Monthly Salary: 4,534 GBP
Estimated Weekly Salary: 1,046 GBP per week
Estimated Hourly Salary: 26 GBP per hour
As400 Developer estimated salary in USD
For easier comparison here is an estimated salary in USD:Estimated Yearly Salary: 66,198 USD
Estimated Monthly Salary: 5,517 USD
Estimated Weekly Salary: 1,273 USD per week
Estimated Hourly Salary: 32 USD per hour
Difference in salary year over year or average salary increase is approximately
About these results
Data confidence is - relatively high Data fetched from dabase: 14 submissions.
Results are anonymized. Amounts indicated are pre-tax, meaning no deductionts yet have been made to the basic salary. Salaries where there are less than 3 entries are not displayed.
Want to check how your salary compares? Submit your own salary here
Compare salary to other countries
Please type in your occupation and select desired country to see latest trends in salaries.
Country:
Salary comparison to National average
The United Kingdom, also known as the UK, is a country located in northwestern Europe. It consists of four countries: England, Scotland, Wales, and Northern Ireland. With a population of approximately 66 million people, it is the fifth-largest economy in the world. The UK covers an area of around 93,600 square miles, making it the 78th largest country by size.
Estimated national average yearly salary is 41,537 GBP (48,890 USD). Value indicated is pre-tax. Below graph shows estimated As400 Developer job salary compared to average salary in United Kingdom.
Comparison shows that a person working as As400 Developer in United Kingdom earns on average:
1.35 times the average salary (or 135% of average salary).
Estimated national average yearly salary is 41,537 GBP (48,890 USD). Value indicated is pre-tax. Below graph shows estimated As400 Developer job salary compared to average salary in United Kingdom.
Comparison shows that a person working as As400 Developer in United Kingdom earns on average:
1.35 times the average salary (or 135% of average salary).
Is As400 Developer a well paid job?
Yes, our data shows that As400 Developer is a well paid job. With years and experience the salary might increase even further, resulting in higher satisfaction.What is considered a high salary for As400 Developer?
High salary for As400 Developer would be somewhere between 61,716 GBP and 81,352 GBP. However this is an estimation based on Gaussian Distribution.How much can you save working as As400 Developer in United Kingdom?
Living in United Kingdom the approximate monthly expenses are: 1,956 USD. This amount covers basic needs such as food, housing, clothing, healthcare and education costs for a single person. No luxury expenses such as traveling, leisure, hobbies are included in the estimation.Estimated Yearly Salary: 56,105 GBP
Estimated Monthly Salary: 4,675 GBP
Estimated Weekly Salary: 1,079 GBP per week
Estimated Hourly Salary: 27 GBP per hour
By working as As400 Developer a person can save up to 3,561 USD per month or 42,731 USD yearly. Values are pre-tax.
NOTE: These values are estimates and are averaged for the whole country. Furthermore the value is likely exaggerated as no other expenses are taken into account in the projection. Unessential expenses are very subjective and are difficult to assess. Most likely the previously estimated number is significantly lower for majority of people. Expenses in different cities across the country may vary. Above values accuracy is low and is based on limited set of data obtained.
For more information regarding expenses in United Kingdom, see costs of living in United Kingdom.
Salary comparison to region and neighbouring coutries
Country's neighbours are: Ireland. To make it easier for comparison a conversion from local currency to USD has been made (conversion rates may vary).Estimated Yearly Salary for As400 Developer
Salary increase per years of experience
Based on data available the salary increase per years of experience is as following- 0 years (beginner) equals base salary
- 1 to 5 years of experience yields
- 6 to 10 years of experience yields
- 11 to 15 years of experience yields
- 16 to 25 years of experience yields
- more than 25 years of experience yields
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Random salary:
Chief electrical inspector (44,391 GBP per year, pre-tax.)
Manager engagement (client services) (51,921 GBP per year, pre-tax.)
Assistant quantity surveyor (43,613 GBP per year, pre-tax.)
Unified communications engineer (58,345 GBP per year, pre-tax.)
Top surgeon (211,010 GBP per year, pre-tax.)
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