Senior Staff/Technical Lead Machine Learning Engineer

Harnham — Alameda, US
Published on

About the Role

Harnham is seeking a Senior Staff/Technical Lead Machine Learning Engineer to join their team and lead ML product development. The company operates in the behavioral modeling and personalization space and aims to deliver private-by-design AI solutions utilizing one of the largest consented behavioral datasets in the US. This role is critical in building and scaling ML-powered products with a focus on ad optimization and recommendation systems.

Responsibilities

  • Design, build, and deploy end-to-end machine learning models focused on ad optimization, personalization use cases, and recommendation systems.
  • Develop ML pipelines and production systems that leverage rich behavioral signals to drive user value and business ROI.
  • Partner with product and R&D teams to ideate and execute high-impact, ML-first product strategies.
  • Lead experimentation and model evaluation in a fast-paced, data-rich environment.
  • Contribute to the development of scalable infrastructure using tools like Airflow, Spark, and CI/CD platforms.
  • Work cross-functionally to bring zero-to-one ML products to market and continuously refine them post-launch.
  • Stay abreast of emerging ML techniques in RecSys, behavioral modeling, and model optimization.

About the Candidate

Candidates for this position should have:

  • MSc or PhD in a STEM field.
  • Proven experience building and deploying machine learning systems in a commercial setting.
  • Strong proficiency in AdTech or recommender systems with a deep understanding of personalization, targeting, or user intent modeling.
  • Hands-on experience with orchestration tools (Airflow, Bazel), data infrastructure (Spark, SQL, Scala, or Python).
  • Knowledge of DevOps, CI/CD best practices, and production model monitoring.
  • Familiarity with cloud platforms (AWS, Databricks) and ML tooling (MLFlow, TensorFlow, Kubernetes).
  • Excellent collaboration and communication skills, with a product-oriented mindset.
  • A proactive attitude and ability to thrive in a dynamic startup environment.

Company Culture and Benefits

Harnham offers a base salary of $300,000 – $350,000 along with meaningful equity and financial upside. The position is fully remote, with hybrid options available in Boston, San Francisco Bay Area, Seattle, and New York City. This remote work culture aims to empower employees while delivering cutting-edge technology solutions to clients.

How to Apply

If you are interested in this exciting opportunity, please submit your CV via the Apply link on this page.

← All jobsApply