Feature Store Engineer.

Where do you fall?

Salary trend

Estimated total: $211,000

If you are interviewing for Feature Store Engineer roles in Charleston, here is what you are walking into. Charleston is one of the South's fastest growing tech hubs, with Boeing, Volvo, and a wave of software companies establishing operations. The city's port drives significant logistics employment. Charleston's quality of life, moderate costs, and growing tech scene attract relocating professionals from across the country. 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 Charleston, 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. 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: south Carolina's top income tax rate is 6.4%. Charleston has no city income tax. The state rate is moderate, and the affordable cost of living keeps net pay competitive. When someone quotes you $175,000, ask what the total package looks like. The gap between base and total comp is where real money hides.

On negotiation: Highlight the Boeing and Volvo ecosystem when negotiating. Manufacturing and engineering employers in Charleston benchmark against national aerospace pay scales. The range for Feature Store Engineers in Charleston runs from $132,000 to $229,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.

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