Motion Planning AI Engineer.
Seattle.
$223,000
median salary, 24% above the national average
$167,000 to $291,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
Seattle is 24% more expensive than the national average. For Motion Planning AI Engineers, that shakes out to a median of $223,000, with the full range spanning $167,000 to $291,000. Deep expertise in trajectory optimization, sampling based planning, and learned planning algorithms drives top compensation. Know the range before you walk in.
Salary range
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How Seattle compares
Seattle, WA
$223,000
Cost of living: 24% above average
National Average
$180,000
Seattle is $43,000 above
What you should know
The Motion Planning AI Engineer landscape in Seattle is not what most salary sites will tell you. Seattle is home to Amazon, Microsoft, and a dense cluster of cloud computing, gaming, and AI companies. The presence of major tech headquarters drives some of the highest engineering salaries outside the Bay Area. Seattle's job market is particularly strong for cloud infrastructure, machine learning, and enterprise software roles. Deep expertise in trajectory optimization, sampling based planning, and learned planning algorithms drives top compensation. Engineers who can design motion planners that handle dynamic environments with safety constraints in real time are extremely valued. Experience with manipulation planning, multi agent coordination, and formal safety guarantees adds significant salary premiums.
Junior motion planning engineers start at $108,000 to $140,000. Mid level engineers with real robot deployment experience earn $158,000 to $200,000. Senior engineers reach $205,000 to $258,000. Principal planning scientists at autonomous vehicle or robotics companies can exceed $340,000 in total compensation. In Seattle, those numbers run higher. The cost of living here is 24% above average, and employers adjust to compete.
Base salary is not the full picture. Equity at robotics and autonomous systems companies adds 20 to 40% of total compensation. Performance bonuses of 15 to 25% are standard. Signing bonuses of $25,000 to $60,000 are common. Benefits frequently include hardware lab time and research conference travel budgets. And on the tax side: washington State has no personal income tax, which significantly boosts take home pay. However, state and local sales taxes are among the highest in the country at roughly 10.25%. When someone quotes you $223,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Remind employers that no state income tax makes your effective compensation higher. You can accept a slightly lower gross salary and still take home more than in California. The range for Motion Planning AI Engineers in Seattle runs from $167,000 to $291,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in Seattle
Negotiating in Seattle
Remind employers that no state income tax makes your effective compensation higher. You can accept a slightly lower gross salary and still take home more than in California.