Senior Systems Developer Salary in Illinois

How much does a Senior Systems Developer make in Illinois?

As of August 01, 2026, the average salary for a Senior Systems Developer in Illinois is $147,452 per year, which breaks down to an hourly rate of $71.

However, a Senior Systems Developer's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $164,271
  • Majority Range (25th-75th percentile): $131,881 to $156,256
  • Entry-Level (10th percentile): $117,705
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View as table View as graph 25% $131,881 10% $117,705 90% $164,271 75% $156,256 $147,452 50%(Median) Didn’t find job title? Click

Senior Systems Developer Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $156,256 $13,021 $3,005 $75
Average $147,452 $12,288 $2,836 $71
25th Percentile $131,881 $10,990 $2,536 $63
Check out Senior Systems Developer Job Openings in Illinois
Prin Systems Developer

Compeer Financial - Bloomington, IL

SQL Server Support Engineer SQL Developer Data Systems Support

TeamBradley, Inc. - Champaign, IL

Senior Developer

Fairstead ESC LLC - Chicago, IL

Sr Backend Java Developer

SYSTEGRATION INC - Chicago, IL

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Key Factors That Influence Senior Systems Developer Salaries

A Senior Systems 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.

How Experience Level Affects Senior Systems Developer Salaries?

Experience is a primary driver of a Senior Systems 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:

  • Entry-Level (less than 1 year): $111,325
  • Early Career (1-2 years): $131,685
  • Mid-Level (2-4 years): $148,534
  • Senior-Level (5-8 years): $126,970
  • Expert (over 8 years): $152,219
Levels Salary
IT System... Level Senior Systems Developer$111,325
IT System... Level Senior Systems Developer$131,685
Senior Sy... Level Senior Systems Developer$148,534
IT System... Level Senior Systems Developer$126,970
IT System... Level Senior Systems Developer$152,219
$111,325 0 yr
$131,685 < 2 yrs
$148,534 2-4 yrs
$126,970 5-8 yrs
$152,219 > 8 yrs
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What Am I Worth?

Top Paying Cities for Senior Systems Developers

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:

  • Effingham: $135,921
  • Saint Peter: $135,734
  • Salem: $136,251

Senior Systems Developer Salary by Industry: Top Paying Sectors

For Senior Systems Developer roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the Software & Networking and Financial Services sectors offer the strongest compensation, at 25% above the average. In contrast, Senior Systems Developer positions in Hospitality & Leisure or Retail & Wholesale typically offer lower base pay, as these industries often view Senior Systems Developer as a support function rather than a direct revenue driver.

The top paying industries for a Senior Systems Developer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Software & Networking$184,315$89.025%
Financial Services$176,942$85.020%
Pharmaceuticals$176,942$85.020%
Biotechnology$169,570$82.015%
Internet$169,570$82.015%

Senior Systems Developer Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Senior Systems 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, 2026

Find Your Next Senior Systems Developer Job

Ready to take the next step in your career? Browse thousands of current Senior Systems Developer job openings on our job board. Use the search bar below to find your perfect match.

United States
  • IVID TEK INC

    Chicago, IL

    IVID TEK INC | Chicago, IL

    Job Description. Job Description. Job Title. Senior Java Developer. Location. Chicago, IL. Employment Type. Full-time. Must be legally authorized to work i... more

    9 Days Ago

  • Preferred Risk Insurance

    Chicago, IL

    Preferred Risk Insurance | Chicago, IL

    Job Description. Job Description. We are seeking the ideal candidate for our Software Developer opening for our growing insurance company.The Senior Softwa... more

    5 Days Ago

  • Appex Innovation

    Chicago, IL

    Appex Innovation | Chicago, IL

    Job Description. Job Description. We are hiring a. Java Developer - Senior. with our client in. Chicago, IL f. or a. hybrid role. Job Details. Role: Java D... more

    6 Days Ago

  • Amada America, Inc.

    Schaumburg, IL

    Amada America, Inc. | Schaumburg, IL

    Job Description. Job Description. The Infor SyteLine Senior Developer will analyze complex business requirements and convert them into effective technical ... more

    7 Days Ago

  • Follett Software, LLC

    Chicago, IL

    Follett Software, LLC | Chicago, IL

    Job Description. Job Description. Company Overview. Everything we do is for educators. We're partnering with them to advance a bold vision for education th... more

    7 Days Ago

  • American Water Resources LLC

    Naperville, IL

    American Water Resources LLC | Naperville, IL

    Job Description. Job Description. Who We Are. Oncourse Home Solutions, also operated as American Water Resources, is a trusted home protection provider hel... more

    8 Days Ago

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