Feature Store Engineer.
Boston.
$210,000
median salary, 22% above the national average
$159,000 to $275,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
Boston is 22% more expensive than the national average. For Feature Store Engineers, that shakes out to a median of $210,000, with the full range spanning $159,000 to $275,000. Feature store engineers build infrastructure that serves ML features at scale, a specialized role that combines data engineering with ML platform knowledge. Know the range before you walk in.
Salary range
Tap to place your salary
How Boston compares
Boston, MA
$210,000
Cost of living: 22% above average
National Average
$172,000
Boston is $38,000 above
What you should know
Here is what the Feature Store Engineer market actually looks like in Boston. Boston's job market is powered by world class universities, a thriving biotech corridor, and established finance and healthcare sectors. The Kendall Square area is one of the most concentrated biotech hubs globally. Tech salaries in Boston are competitive with West Coast markets, particularly for roles that intersect with life sciences, AI, and robotics. Feature store engineers build infrastructure that serves ML features at scale, a specialized role that combines data engineering with ML platform knowledge. Experience with systems like Feast, Tecton, or custom feature platforms drives salary above standard data engineering roles. Companies running real-time ML inference at scale pay the highest premiums.
Junior feature store engineers earn $130,000 to $155,000. Engineers with 3 to 5 years of ML infrastructure experience reach $172,000 to $225,000. Senior engineers and tech leads earn $230,000 to $300,000, while staff engineers and ML platform architects can command $310,000 to $400,000. In Boston, those numbers run higher. The cost of living here is 22% above average, and employers adjust to compete.
Base salary is not the full picture. ML platform companies offer equity packages of 20 to 40% of base salary. Annual bonuses typically range from 12 to 20%. Some firms provide additional compensation for on-call rotations supporting production feature serving systems at $10,000 to $20,000 annually. And on the tax side: massachusetts has a flat 5% income tax on most earnings, plus a 4% surtax on income above $1 million. There is no city income tax in Boston, keeping the total burden moderate. When someone quotes you $210,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Emphasize specialized credentials or advanced degrees. Boston employers, especially in biotech and finance, place a premium on educational pedigree and certifications. The range for Feature Store Engineers in Boston runs from $159,000 to $275,000. 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 Boston
Negotiating in Boston
Emphasize specialized credentials or advanced degrees. Boston employers, especially in biotech and finance, place a premium on educational pedigree and certifications.