Technical Lead Machine Learning Engineer

HarnhamSan Francisco Bay Area, US
Published on

About the Role

Harnham is seeking a Technical Lead Machine Learning Engineer to join their fast-growing, mission-driven tech company. You will lead a team to build and scale ML-powered products focusing on:

  • Design, build, and deploy end-to-end machine learning models for ad optimization, personalization use cases, and recommendation systems.
  • Develop ML pipelines leveraging behavioral signals for user value and business ROI.
  • Collaborate with product and R&D on ML-first strategies and lead experimentation in a data-rich environment.

About the Candidate

The ideal candidate will have:

  • An MSc or PhD in a STEM field.
  • Proven experience in building and deploying machine learning systems commercially.
  • Background in AdTech or recommender systems (RecSys) with knowledge in personalization and user intent modeling.
  • Hands-on experience with orchestration tools like Airflow and Bazel, as well as data infrastructure including Spark, SQL, Scala, or Python.
  • Strong knowledge of CI/CD best practices and production model monitoring.

Company Culture and Benefits

At Harnham, we offer incredible salary and benefits including:

  • A competitive salary range of $300,000 to $350,000 base.
  • Meaningful equity and financial upside.
  • Fully remote work options with hybrid flexibility in top cities like Boston, Seattle, and NYC.

Technologies We Use

  • Key technologies include Airflow, Spark, Python, AWS, MLFlow, and Kubernetes among others.

How to Apply

To express your interest, please submit your CV through the application link provided.