As of August 01, 2026, the average salary for a JavaScript Developer in Mercer Island, WA is $117,720 per year, which breaks down to an hourly rate of $57.
However, a JavaScript Developer's salary can vary significantly. Here’s a look at the typical salary range:
Compensation Planning
Develop a Job Description
Pay Equity
2026 Compensation Trend
AI Onboarding
AI-Powered HR
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, skills 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 | $113,302 |
| Intermediate Level JavaScript Developer | $113,640 |
| Senior Level JavaScript Developer | $117,720 |
| Specialist Level JavaScript Developer | $121,653 |
| Expert Level JavaScript Developer | $121,934 |
What Am I Worth?
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Team Development | 2.34% |
| Agile | 3.41% |
| Business Requirements | 2.12% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Hard Working
|
$120,075 |
2%
|
|
Python
|
$120,075 |
2%
|
|
AWS
|
$118,897 |
1%
|
|
Microservices
|
$118,897 |
1%
|
|
Networking
|
$118,897 |
1%
|
|
Process Improvement
|
$118,897 |
1%
|
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 | $176,580 | $85.0 | 50% |
| Financial Services | $147,150 | $71.0 | 25% |
| Internet | $141,264 | $68.0 | 20% |
| Telecom | $141,264 | $68.0 | 20% |
| Pharmaceuticals | $135,378 | $65.0 | 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.
Last Updated on August 01, 2026Ready 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.
Get a Salary Increase
Analyze the market and your qualifications to negotiate your salary with confidence.
Search Job Openings
Search thousands of open positions to find your next opportunity.
Adjust Employee Salary
Individualize employee pay based on unique job requirements and personal qualifications.
Price My Industry Jobs
Get the latest market price for benchmark jobs and jobs in your industry.
Use Salary.com's Cost of Living Calculator to find out what income you need to maintain your standard of living in a different city and how much more or less money you need to budget for basic expenses.
Explore Cost of Living CalculatorSalary.com experts will help you thrive your workplaces.
Salary.com provides salary survey data for thousands of industry Jobs.
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.
Salary.com's CompAnalyst platform offers:
