AI Data Quality Engineer.
San Jose.
$193,000
median salary, 38% above the national average
$145,000 to $255,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
A AI Data Quality Engineer in San Jose earns a median of $193,000 in 2026. That is 38% above the national average. The range runs from $145,000 to $255,000, and where you land depends on your experience, your skills, and how well you negotiate. AI data quality engineers ensure training and serving data meets standards for ML model reliability.
Salary range
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How San Jose compares
San Jose, CA
$193,000
Cost of living: 38% above average
National Average
$140,000
San Jose is $53,000 above
What you should know
Here is what the AI Data Quality Engineer market actually looks like in San Jose. San Jose is the capital of Silicon Valley, home to Apple, Google, Adobe, and Cisco. The city consistently ranks among the highest paying metros in the country for technology roles. Competition for talent is fierce, with employers offering aggressive compensation packages including equity, signing bonuses, and premium benefits to attract and retain engineers. AI data quality engineers ensure training and serving data meets standards for ML model reliability. Salary is driven by experience with data validation frameworks, drift detection systems, and automated quality monitoring at scale. Engineers working in regulated industries like healthcare and finance earn 12 to 20% premiums due to compliance requirements.
Junior AI data quality engineers earn $105,000 to $125,000. Engineers with 3 to 5 years of ML data quality experience reach $140,000 to $185,000. Senior engineers and quality team leads earn $190,000 to $248,000, while directors of data quality at enterprise AI companies can command $255,000 to $330,000. In San Jose, those numbers run higher. The cost of living here is 38% above average, and employers adjust to compete.
Base salary is not the full picture. Tech companies provide equity grants of 12 to 22% of base salary. Bonuses range from 10 to 15% annually. Some firms offer additional compensation for maintaining critical data quality SLAs, adding $5,000 to $12,000 for on-call responsibilities. And on the tax side: california's top 13.3% state rate applies fully here. While gross salaries in San Jose are among the nation's highest, the tax burden means net pay may not stretch as far as expected. When someone quotes you $193,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Always negotiate equity alongside base salary. San Jose employers expect candidates to evaluate total compensation including RSUs, and leaving equity on the table is leaving money behind. The range for AI Data Quality Engineers in San Jose runs from $145,000 to $255,000. 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 San Jose
Negotiating in San Jose
Always negotiate equity alongside base salary. San Jose employers expect candidates to evaluate total compensation including RSUs, and leaving equity on the table is leaving money behind.