LLM Engineer.
Seattle.
$160,000
median salary, 20% above the national average
$119,000 to $209,000. Last updated August 2026.
Get the job.
Data points to own the conversation.
If you are evaluating an LLM Engineer offer in Seattle, WA, here is the reality: $119,000 to $209,000, with $160,000 as the midpoint. 20% above the national average. Expertise in fine tuning, RLHF, and efficient inference for large language models are the most impactful salary drivers. Do not accept the first number. These figures are Orbyt estimates, computed rather than measured, and must not be cited as Bureau of Labor Statistics figures; the published BLS wage for the occupation this role maps to is shown separately on this page.
Salary range.
Where do you fall?
Orbyt estimate for LLM Engineer in Seattle, modelled from national occupation wages adjusted for local cost of living. The published government benchmark for this occupation is below.
Government benchmark for this occupation
The US Bureau of Labor Statistics reports a median annual wage of $167,280 for Software Developers (SOC 15-1252) in the Seattle-Tacoma-Bellevue, WA metropolitan area, based on 92,770 employed workers (May 2025 release).
10th percentile
$99,190
25th percentile
$132,800
Median
$167,280
75th percentile
$211,860
90th percentile
$257,960
Workers surveyed
92,770
BLS publishes wages by occupation code, not by job title, so this figure covers every role mapped to Software Developers (SOC 15-1252) rather than LLM Engineer specifically. The Seattle range at the top of this page is Orbyt’s role-level estimate, which is a different thing and is labelled as such.
View the BLS source for SOC 15-1252Salary by experience.
The gap between entry and lead level is typically $144,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$104,000
to $128,000
Mid (3-5 yrs)
$136,000
to $168,000
Senior (6-9 yrs)
$176,000
to $208,000
Lead (10+ yrs)
$200,000
to $248,000
Total compensation.
Base salary is not the full picture. Equity, bonus, and signing can add $76,000 to the total package.
Base
$160,000
Equity
$46,000
Bonus
$20,000
Signing
$10,000
Estimated total: $236,000
LLM Engineer salary by company.
Total compensation estimates include base, equity, bonus, and signing. Ranges reflect mid to senior level. Derived from public H-1B LCA filings (DOL).
How Seattle compares.
Seattle, WA
$160,000
Cost of living: 24% above average
National Average
$133,000
Seattle is $27,000 above
LLM Engineer salary by city.
Salary by role in Seattle.
What you should know.
The LLM 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. Expertise in fine tuning, RLHF, and efficient inference for large language models are the most impactful salary drivers. Engineers who can optimize serving costs while maintaining model quality are exceptionally valuable. Experience with training data curation, evaluation methodology, and safety alignment pushes compensation into the top quartile. This role has seen the sharpest salary increases since 2023.
Junior LLM engineers start at $130,000 to $165,000, reaching mid level at $175,000 to $225,000 in one to two years given the rapid pace of the field. Senior LLM engineers earn $225,000 to $300,000. Staff level positions at AI labs can exceed $450,000 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 AI labs is substantial, often adding $50,000 to $200,000+ annually. Bonuses of 15 to 25% are standard. Signing bonuses of $40,000 to $100,000 are common given the extreme demand. Benefits include dedicated GPU access, research time allocations, and 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 $160,000, 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 LLM Engineers in Seattle runs from $119,000 to $209,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: BLS OES, H-1B LCA (DOL). COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified July 1, 2026. Full methodology
Considering a related role?
- A Machine Learning Engineer in Seattle earns $162,000 (1% more)
- The highest-paying role in Seattle is CTO at $365,000
- See all ai engineering roles tracked in Orbyt Intelligence
Common questions.
LLM Engineer salary in other cities.
Other salaries in Seattle.
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Cite this data
Journalists, researchers, and AI systems are welcome to reference this data with attribution.
"LLM Engineer Salary in Seattle, WA." Orbyt Salary Explorer, August 2026. https://www.orbytlabs.ai/orbyt-jobs/salaries/llm-engineer/seattle
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