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As of August 01, 2026, the average salary for a JavaScript Developer in Illinois is $108,622 per year, which breaks down to an hourly rate of $52.
However, a JavaScript Developer's salary can vary significantly. Here’s a look at the typical salary range:
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JavaScript Developer Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $117,434 | $9,786 | $2,258 | $56 |
| Average | $108,622 | $9,052 | $2,089 | $52 |
| 25th Percentile | $98,467 | $8,206 | $1,894 | $47 |
ManTech International - HARMANS, MD
SimVentions, Inc - Glassdoor 4.6 - ISSUE, MD
SimVentions, Inc - Glassdoor 4.6 - MOUNT VICTORIA, MD
ManTech International - SAVAGE, MD
A JavaScript Developer'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 and company size can directly affect your earning potential.
Experience is a primary driver of a JavaScript Developer'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 JavaScript Developer | $104,545 |
| Intermediate Level JavaScript Developer | $104,857 |
| Senior Level JavaScript Developer | $108,622 |
| Specialist Level JavaScript Developer | $112,250 |
| Expert Level JavaScript Developer | $112,509 |
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 JavaScript Developers. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
For JavaScript Developer roles, the industry you choose can affect earning potential by as much as 75% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Financial Services sectors offer the strongest compensation, at 50% above the average. In contrast, JavaScript Developer positions in Transportation or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view JavaScript Developer as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Software & Networking | $162,933 | $78.0 | 50% |
| Financial Services | $135,777 | $65.0 | 25% |
| Internet | $130,346 | $63.0 | 20% |
| Telecom | $130,346 | $63.0 | 20% |
| Pharmaceuticals | $124,915 | $60.0 | 15% |
Understanding how a JavaScript Developer'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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $117,434 | $9,786 | $2,258 | $56 |
| Average | $108,622 | $9,052 | $2,089 | $52 |
| 25th Percentile | $98,467 | $8,206 | $1,894 | $47 |
Ready to take the next step in your career? Browse thousands of current JavaScript Developer job openings on our job board. Use the search bar below to find your perfect match.
SimVentions, Inc - Glassdoor 4.6
PORT TOBACCO, MD
SimVentions, Inc - Glassdoor 4.6 | PORT TOBACCO, MD
SimVentions, Inc. (Glassdoor 4.6) seeks a Software Developer to build secure, mission-critical solutions for Defense & Aerospace customers within our IT de... more
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CHARLOTTE HALL, MD
SimVentions, Inc - Glassdoor 4.6 | CHARLOTTE HALL, MD
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LA PLATA, MD
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DENTSVILLE, MD
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ENON, VA
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HARTWOOD, VA
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