Senior Backend Developer Salary in Washington

How much does a Senior Backend Developer make in Washington?

As of August 01, 2026, the average salary for a Senior Backend Developer in Washington is $138,198 per year, which breaks down to an hourly rate of $66.

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

  • Top Earners (90th percentile): $159,147
  • Majority Range (25th-75th percentile): $121,018 to $149,164
  • Entry-Level (10th percentile): $105,375
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View as table View as graph 25% $121,018 10% $105,375 90% $159,147 75% $149,164 $138,198 50%(Median) Didn’t find job title? Click

Senior Backend Developer Salaries by Percentile

Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $149,164 $12,430 $2,869 $72
Average $138,198 $11,517 $2,658 $66
25th Percentile $121,018 $10,085 $2,327 $58
Check out Senior Backend Developer Job Openings in Washington
Senior Backend Engineer

EQL Tech - Seattle, WA

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LVT - Seattle, WA

Senior Backend Engineer u007C On

Grid - Seattle, WA

Sr Application Developer

Qode - Camas, WA

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Key Factors That Influence Senior Backend Developer Salaries

A Senior Backend 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 Backend Developer Salaries?

Experience is a primary driver of a Senior Backend 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): $136,915
  • Early Career (1-2 years): $113,145
  • Mid-Level (2-4 years): $141,777
  • Senior-Level (5-8 years): $157,828
  • Expert (over 8 years): $175,680
Levels Salary
Fraud Inv... Level Senior Backend Developer$136,915
Fraud Inv... Level Senior Backend Developer$113,145
Senior Ba... Level Senior Backend Developer$141,777
Fraud Inv... Level Senior Backend Developer$157,828
Fraud Inv... Level Senior Backend Developer$175,680
$136,915 0 yr
$113,145 < 2 yrs
$141,777 2-4 yrs
$157,828 5-8 yrs
$175,680 > 8 yrs
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What Am I Worth?

Top Paying Cities for Senior Backend 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:

  • Auburn: $138,029
  • Federal Way: $137,969
  • Bellevue: $140,805

Senior Backend Developer Salary by Industry: Top Paying Sectors

For Senior Backend Developer roles, the industry you choose can affect earning potential by as much as 70% (the gap between the highest and lowest paying industries). Data shows that the Financial Services and Pharmaceuticals sectors offer the strongest compensation, at 30% above the average. In contrast, Senior Backend Developer positions in Software & Networking or Edu., Gov't. & Nonprofit typically offer lower base pay, as these industries often view Senior Backend Developer as a support function rather than a direct revenue driver.

The top paying industries for a Senior Backend Developer

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Financial Services$179,658$86.030%
Pharmaceuticals$172,748$83.025%
Biotechnology$165,838$80.020%
Energy & Utilities$158,928$76.015%
Chemicals$152,018$73.010%

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

Understanding how a Senior Backend 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 Backend Developer Job

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

United States
  • Digital Control Inc.

    Kent, WA

    Digital Control Inc. | Kent, WA

    Job Description. Job Description. Digital Control Incorporated (DCI) is the world’s leading supplier of underground locating and steering products for the ... more

    9 Days Ago

  • Georgia IT, Inc.

    Seattle, WA

    Georgia IT, Inc. | Seattle, WA

    Sr. Net / Azure Developer. Location Seattle, WA remote Must be willing to work PST. Duration 12 months. Responsibilities. Designing and developing APIs, mi... more

    18 Days Ago

  • Comtech LLC

    Seattle, WA

    Comtech LLC | Seattle, WA

    Sr. Net Developer / Architect. Comtech is a woman-owned small business focused on delivering end-to-end solutions and products. Since 1998, we have success... more

    18 Days Ago

  • VictoriaMetrics

    Seattle, WA

    VictoriaMetrics | Seattle, WA

    Job Description. Job Description. About VictoriaMetrics. We are the company behind the popular open-source, high-performance time-series database and monit... more

    7 Days Ago

  • Intelliswift Software Inc

    Seattle, WA

    Intelliswift Software Inc | Seattle, WA

    Job ID :22-00213 ResponsibilitiesDesign and develop individual features and end-to-end solutions supporting Client's Payments Platform that processes billi... more

    9 Days Ago

  • Aleto, Inc.

    Olympia, WA

    Aleto, Inc. | Olympia, WA

    A federal solutions provider is seeking a remote Senior Web Developer with substantial experience in.NET, PHP, and Angular to support government clients.Th... more

    9 Days Ago

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