Research & Development Engineer II Salary in Seattle, WA.
Updated on: Jun 3, 2026
How much does a Research & Development Engineer II make in Seattle, WA?
The average Research & Development Engineer II in Seattle, WA makes $157,172,
51% above the national average Research & Development Engineer II salary of $103,915.
This pay is 18% greater than the combined average salaries of other metroes San Jose, CA, Phoenix, AZ, and Arlington, TX.
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Research & Development Engineer II Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals