The salary trajectory of a Senior Machine Learning Engineer ranges between locations and employers. The salary starts at £62,208 per year (estimate) and goes up to £98,926 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior Machine Learning Engineer at AstraZeneca is £214,481 per year or £103 per hour, but some professionals have reported earning up to roughly £335,976 per year (90th percentile). The typical pay range is between £171,308 (25th percentile) and £272,788 (75th percentile) annually. This is based on 12 salaries submitted by AstraZeneca Senior Machine Learning Engineer professionals on Glassdoor, as of Jun 2026.