As of April 01, 2026, the average hourly rate for a Mainframe Developer III in the United States is $50, which translates to an annual salary of about $103,070.
However, the hourly wage can vary significantly based on several factors. Here’s a detailed look at the typical pay range per hour:
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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, education 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 | $99,506 |
| Intermediate Level Mainframe Developer III | $100,100 |
| Senior Level Mainframe Developer III | $101,288 |
| Specialist Level Mainframe Developer III | $105,616 |
| Expert Level Mainframe Developer III | $107,908 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Mainframe Developer IIIs. For example, consider the average annual salaries in these key locations:
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
|
$112,346 |
9%
|
|
System Design
|
$110,285 |
7%
|
|
Operating System
|
$109,254 |
6%
|
|
Communication Skills
|
$107,193 |
4%
|
|
Innovation
|
$107,193 |
4%
|
|
Team Development
|
$107,193 |
4%
|
Your level of education can impact your salary potential. While many Mainframe Developer IIIs enter the field with a High School Diploma or Technical Certificate degree, higher education can lead to more specialized and higher-paying roles.
According to our 100% employer-reported salary data, the median salary for a Mainframe Developer III with a High School Diploma or Technical Certificate is between $95,664 and $101,623).
Mainframe Developer III Salaries by Degree Level
| Degree Level | % of user with this level of education |
|---|---|
| No Diploma | 9.1% |
| High School | 9.1% |
| Associates | 16.4% |
| Bachelors | 58.2% |
| Masters | 16.4% |
| Doctorate | 0.0% |
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 April 01, 2026Salaries for a Mainframe Developer III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $117,743 in 2023 to around $115,927 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Mainframe Developer III salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
View More
|
| 2023 | $117,743 |
| 2024 | $117,167 |
| 2025 | $115,927 |
| 2026 |
View More
|
| 2027 |
View More
|
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Learning mainframe skills is definitely worth it. With salaries ranging from $91,570 to $115,900, expertise in this area can significantly enhance your career prospects. Mainframes are crucial for many large companies, making this knowledge a valuable asset in the IT field. Investing in these skills can lead to rewarding opportunities and job security.
Mainframe developers in the US earn a salary range of approximately $91,570 to $115,900, with a median salary of around $101,630. While Python software engineers can earn between $104,000 and $200,000, mainframe developers also command competitive salaries due to their specialized skills in managing legacy systems and critical applications.
Yes, mainframe developers are well-compensated. The salary data indicates a minimum salary of $91,570, a mid-range salary of $101,630, and a maximum salary of $115,900. This reflects the specialized skills required in this field, making it a lucrative career choice compared to many other software development roles.
Yes, COBOL is still in demand, particularly for maintaining and updating legacy systems. Many organizations continue to seek skilled Mainframe Developers, with salaries ranging from $91,570 to $115,900, reflecting the ongoing need for expertise in this area. While newer languages are emerging, COBOL remains vital for many businesses.
The estimated salary for a Mainframe Developer ranges from $91,570 to $115,900 per year, with a mid-range salary of approximately $101,630. This reflects the competitive compensation for professionals in this field, depending on experience and expertise.
Becoming a mainframe developer can be the start of a successful career for those who are problem-solvers and enjoy working with technology. With salaries ranging from $91,570 to $115,900, this role offers competitive compensation. Many mainframe developers work in teams, thriving on collaboration with like-minded individuals, making it a rewarding career choice.
Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
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