As of May 01, 2026, the average salary for a Mainframe Developer III in Grayridge, MO is $95,250 per year, which breaks down to an hourly rate of $46.
However, a Mainframe Developer III's salary can vary significantly. Here’s a look at the typical salary range:
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A Mainframe Developer III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, skills and company size can directly affect your earning potential.
Experience is a primary driver of a Mainframe Developer III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Levels | Salary |
|---|---|
| Entry Level Mainframe Developer III | $91,949 |
| Intermediate Level Mainframe Developer III | $92,498 |
| Senior Level Mainframe Developer III | $93,598 |
| Specialist Level Mainframe Developer III | $97,592 |
| Expert Level Mainframe Developer III | $99,703 |
What Am I Worth?
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Analysis | 5.65% |
| Computer Science | 2.63% |
| Job Scheduling | 1.08% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Risk Management
|
$103,823 |
9%
|
|
System Design
|
$101,918 |
7%
|
|
Operating System
|
$100,965 |
6%
|
|
Communication Skills
|
$99,060 |
4%
|
|
Innovation
|
$99,060 |
4%
|
|
Team Development
|
$99,060 |
4%
|
Understanding how a Mainframe Developer III's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
Last Updated on May 01, 2026Promotions are the fastest way to increase your earnings. As a Mainframe Developer III, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Application Programmer Analyst IV | $132,800 | 39% |
| Software Research and Design Architect IV | $134,650 | 41% |
| Backend Applications Developer IV | $134,400 | 41% |
| Full Stack Engineer Specialist | $134,400 | 41% |
Ready to take the next step in your career? Browse thousands of current Mainframe Developer III job openings on our job board. Use the search bar below to find your perfect match.
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