Roblox employees working as Principal Machine Learning Engineer in US have attributed a compensation and benefits rating of 4 out of 5 stars, based on 2 ratings. This is in line with the average of Principal Machine Learning Engineer professionals at Roblox worldwide.
The salary trajectory of a Principal Machine Learning Engineer ranges between locations and employers. The salary starts at $166,137 per year (estimate) and goes up to $324,624 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Machine Learning Engineer at Roblox is $238,247 per year or $115 per hour, but some professionals have reported earning up to roughly $387,193 per year (90th percentile). The typical pay range is between $186,509 (25th percentile) and $309,173 (75th percentile) annually. This is based on 6 salaries submitted by Roblox Principal Machine Learning Engineer professionals on Glassdoor, as of Jul 2026.
Principal Machine Learning Engineer professionals typically earn between $90 and $149 per hour.
Principal Machine Learning Engineer professionals typically earn between $15,542 and $25,764 monthly.