Senior Machine Learning Engineer - AdTech

# Senior Machine Learning Engineer - AdTech## Roku Published 10 Jun 2026### Share this job Cambridge, UK*& Other locations
* Full Time## Role Highlights### Languages used

Python

Java### Key skills

Data Analysis Neural networks

Feature Engineering Machine Learning Applied ML Decision Trees Logistic Regression Computer Science Product Management Stream Streaming Music Server Cloud Statistics Probability Infrastructure Deployment Batch Modelling Operations Debugging Ph DNOSQL### Tools, Libraries and FrameworksIOSHiveTensorflowAD## Description The role involves building a machine learning platform to manage the entire model lifecycle including feature engineering, training, deployment, and monitoring. The engineer will perform data analysis to identify features for various use cases and models.

Responsibilities include developing and evaluating algorithms for performance and accuracy using statistical modeling techniques. The position requires conducting low-level systems debugging and performance optimization on large production clusters. Additionally, the role involves collaborating with cross-functional teams to deliver solutions and staying updated on emerging technologies.##

Required Qualifications and Skills Candidates must possess a Bachelor's, Master's, or PhD in Computer Science, Statistics, or a related field. The role requires 6 years of industry experience in applied machine learning on production systems, though PhD experience is considered a meaningful acceleration. Applicants need strong software development skills and proficiency in Spark, Python, and Java. Familiarity with real-time model evaluation, distributed ML frameworks, and large-scale computing environments is necessary.
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