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Full Stack Software Engineer III Salary in the United States

How much does a Full Stack Software Engineer III make in the United States?

As of August 01, 2026, the average salary for a Full Stack Software Engineer III in the United States is $128,410 per year, which breaks down to an hourly rate of $62.

However, a Full Stack Software Engineer III's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $148,603
  • Majority Range (25th-75th percentile): $118,470 to $138,980
  • Entry-Level (10th percentile): $109,420
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Paid Annually Paid Monthly Paid Semimonthly Paid Biweekly Paid Weekly Paid Hourly
View as table View as graph 25% $118,470 10% $109,420 90% $148,603 75% $138,980 $128,410 50%(Median) Didn’t find job title? Click

Full Stack Software Engineer III Salaries by Percentile

Annual
Salary		 Monthly
Pay		 Weekly
Pay		 Hourly
Wage
75th Percentile $138,980 $11,582 $2,673 $67
Average $128,410 $10,701 $2,469 $62
25th Percentile $118,470 $9,873 $2,278 $57
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Key Factors That Influence Full Stack Software Engineer III Salaries

A Full Stack Software Engineer 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, and company size can directly affect your earning potential.

How Experience Level Affects Full Stack Software Engineer Salaries?

Experience is a primary driver of a Full Stack Software Engineer 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:

  • Full Stack Engineer Entry (0-2 years): $74,054
  • Full Stack Engineer Intermediate (2-4 years): $105,753
  • Full Stack Software Engineer III (4-7 years): $128,406
  • Full Stack Engineer Specialist (7+ years): $145,416
Job Role Years of Experience Average Salary
Full Stack Engineer Entry0-2 years$74,054
Full Stack Engineer Intermediate2-4 years$105,753
Full Stack Software Engineer III4-7 years$128,406
Full Stack Engineer Specialist7+ years$145,416
$74,054 Full Stac...
$105,753 Full Stac...
$128,406 Full Stac...
$145,416 Full Stac...
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What Am I Worth?

Top Paying Cities for Full Stack Software Engineer IIIs

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:

  • San Jose: $161,960
  • San Francisco: $160,190
  • Oakland: $156,810

Full Stack Software Engineer III Salary by Company Size: Startups vs. Enterprise

Full Stack Software Engineer III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $143,748. While startup companies pay approximate $121,607.

Full Stack Software Engineer III Salary by Company Size

Company Size Employees Average Salary
Startup1~50$121,607
Growth Stage51~500$128,614
Established501~5000$138,814
Enterprise5000+$143,748

Full Stack Software Engineer III Salary by Industry: Top Paying Sectors

For Full Stack Software Engineer III roles, the industry you choose can affect earning potential by as much as 35% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Biotechnology sectors offer the strongest compensation, at 20% above the average. In contrast, Full Stack Software Engineer positions in Insurance or Internet typically offer lower base pay, as these industries often view Full Stack Software Engineer III as a support function rather than a direct revenue driver.

The top paying industries for a Full Stack Software Engineer III

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Aerospace & Defense$154,092$74.020%
Biotechnology$147,672$71.015%
Business Services$143,819$69.012%
Chemicals$141,251$68.010%
Construction$138,683$67.08%

Full Stack Software Engineer III Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Full Stack Software Engineer 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.

  • Hourly
  • Monthly
  • Weekly
  • Yearly
  • Table View
Last Updated on August 01, 2026
$118,470
Average $128,410/year
$138,980
$9,873
Average $10,701/month
$11,582
$2,278
Average $2,469/week
$2,673
$57
Average $62/hour
$67
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $138,980 $11,582 $2,673 $67
Average $128,410 $10,701 $2,469 $62
25th Percentile $118,470 $9,873 $2,278 $57

Full Stack Software Engineer III Salary Growth & Career Path

Full Stack Software Engineer III
Application Programmer Analyst IV
Software Research and Design Architect IV
Backend Applications Developer IV
Full Stack Engineer Specialist
Applications Programming Project Supervisor
VP of Software Research and Design Architecture
Backend Applications Developer V

Promotions are the fastest way to increase your earnings. As a Full Stack Software Engineer 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.

Full Stack Software Engineer III Salary Growth and Career Path
Next Step Role Estimate Salary Projected Raise
Application Programmer Analyst IV $143,700 12%
Software Research and Design Architect IV $145,700 13%
Backend Applications Developer IV $145,500 13%
Full Stack Engineer Specialist $145,500 13%

Salaries of jobs related to Full Stack Software Engineer III

Most common benefits for Full Stack Software Engineer III

Social Security
401(k)
Disability
Healthcare
Pension
Time Off (days)
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Common company salaries for Full Stack Software Engineer III

Here are companies hiring for Full Stack Software Engineer III and their salaries, click below for more details.

Find Your Next Full Stack Software Engineer III Job

Ready to take the next step in your career? Browse thousands of current Full Stack Software Engineer III job openings on our job board. Use the search bar below to find your perfect match.

United States

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    Local CDL

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    RN Private Duty Nursing Opportunity

    Maxim Healthcare | Columbus, OH

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    Columbus, OH

    Class CDL Company Driver

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    Customer Service Associate

    Family Dollar | Columbus, OH

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    Columbus, OH

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FAQ about Full Stack Software Engineer III

1. What industry pays the highest salary for Full Stack Software Engineer III?

The Aerospace & Defense industry offers the highest average compensation for Full Stack Software Engineer III roles, with salaries approximately 20% above the market median.

Where Does Our Salary Data Come From?

Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.

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