AI Testing Engineer.
Portland.
$140,000
median salary, 6% above the national average
$106,000 to $178,000. Last updated April 2026.
Get the job.
Data points to own the conversation.
If you are evaluating a AI Testing Engineer offer in Portland, ME, here is the reality: $106,000 to $178,000, with $140,000 as the midpoint. 6% above the national average. Compensation reflects expertise in validating non-deterministic AI systems. Do not accept the first number.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $126,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$91,000
to $112,000
Mid (3-5 yrs)
$119,000
to $147,000
Senior (6-9 yrs)
$154,000
to $182,000
Lead (10+ yrs)
$175,000
to $217,000
Salary trend
+9% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $70,000 to the total package.
Base
$140,000
Equity
$43,000
Bonus
$19,000
Signing
$8,000
Estimated total: $210,000
How Portland compares
Portland, ME
$140,000
Cost of living: 5% above average
National Average
$132,000
Portland is $8,000 above
AI Testing Engineer salary by city
Salary by role in Portland
What you should know
Here is what the AI Testing Engineer market actually looks like in Portland. Portland, Maine is a small but growing tech and creative economy hub. The city attracts remote workers and small companies seeking quality of life on the New England coast. Healthcare, marine industries, and a craft food and beverage sector round out the local economy. Compensation reflects expertise in validating non-deterministic AI systems. Engineers who can design test suites for LLM applications, build adversarial test cases, and create automated evaluation pipelines for model quality earn premiums. Experience with statistical testing approaches for ML, property-based testing for AI systems, and regression testing for model updates is highly valued.
Junior AI testing engineers start at $85,000 to $105,000. Mid-level engineers designing AI evaluation frameworks reach $125,000 to $150,000. Senior engineers leading AI quality programs earn $155,000 to $190,000. Directors of AI quality assurance can reach $210,000 to $260,000 in total compensation. In Portland, cost of living sits near the national average, so the numbers you see are roughly what you keep.
Base salary is not the full picture. Equity at AI testing and quality companies adds $15,000 to $50,000 annually. Bonuses of 10% to 15% are standard. Some companies offer certification stipends for quality engineering credentials. Conference travel and publication budgets support career development. And on the tax side: maine's top income tax rate is 7.15%. Portland has no city income tax. The state rate is above average but offset by quality of life and access to rural New England. When someone quotes you $140,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Negotiate remote work flexibility. Portland employers know they compete with Boston and New York for talent and may offer location flexibility to attract top candidates. The range for AI Testing Engineers in Portland runs from $106,000 to $178,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: SEC filings, H-1B LCA (DOL), BLS OES, 50+ job posting platforms. COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified April 8, 2026. Full methodology
Considering a related role?
- A AI Interaction Designer in Portland earns $141,000 (1% more)
- The highest-paying role in Portland is Distinguished Engineer at $336,000
Common questions.
AI Testing Engineer salary in other cities
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