AI Data Marketplace Engineer.
Wilmington.
$154,000
median salary, 6% above the national average
$117,000 to $193,000. Last updated April 2026.
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Data points to own the conversation.
If you are evaluating a AI Data Marketplace Engineer offer in Wilmington, DE, here is the reality: $117,000 to $193,000, with $154,000 as the midpoint. 6% above the national average. Compensation reflects expertise in building platforms for AI training data exchange, including data licensing, quality assessment, and privacy-preserving data sharing. Do not accept the first number.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $139,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$100,000
to $123,000
Mid (3-5 yrs)
$131,000
to $162,000
Senior (6-9 yrs)
$169,000
to $200,000
Lead (10+ yrs)
$193,000
to $239,000
Salary trend
+9% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $69,000 to the total package.
Base
$154,000
Equity
$42,000
Bonus
$18,000
Signing
$9,000
Estimated total: $223,000
How Wilmington compares
Wilmington, DE
$154,000
Cost of living: 2% above average
National Average
$145,000
Wilmington is $9,000 above
AI Data Marketplace Engineer salary by city
Salary by role in Wilmington
What you should know
The AI Data Marketplace Engineer landscape in Wilmington is not what most salary sites will tell you. Wilmington is a corporate law and financial services hub, home to most U.S. credit card companies thanks to Delaware's favorable incorporation laws. The city's compact size belies its outsized role in banking, legal services, and corporate governance. Chemical and pharmaceutical companies also maintain a strong presence. Compensation reflects expertise in building platforms for AI training data exchange, including data licensing, quality assessment, and privacy-preserving data sharing. Engineers who can implement differential privacy, federated learning, and data clean room technologies earn premiums. Understanding of data economics and marketplace dynamics adds value.
Junior marketplace engineers start at $95,000 to $115,000. Mid-level engineers building data exchange platforms reach $135,000 to $160,000. Senior engineers designing privacy-preserving marketplace infrastructure earn $170,000 to $210,000. Directors of data platform engineering can reach $230,000 to $280,000 in total compensation. In Wilmington, 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 data marketplace companies adds $20,000 to $60,000 annually. Bonuses of 10% to 15% are standard. Benefits include data conference attendance budgets and privacy certification support. Some companies offer data science experimentation credits. And on the tax side: delaware has a top income tax rate of 6.6% but no state sales tax. Wilmington has a city wage tax of 1.25%. The no sales tax benefit partially offsets the income tax burden. When someone quotes you $154,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Leverage Delaware's corporate density. Banks and legal firms here pay competitively to retain talent that might otherwise commute to Philadelphia or New York. The range for AI Data Marketplace Engineers in Wilmington runs from $117,000 to $193,000. 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 Machine Learning Engineer in Wilmington earns $155,000 (1% more)
- The highest-paying role in Wilmington is Distinguished Engineer at $327,000
Common questions.
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