Sr. ML Engineer

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Irvine / $215000 - $240000 annum

INFO

Salary

SALARY:

$215000 - $240000

Location

LOCATION

Irvine

Job Type
JOB TYPE

Permanent

Senior Machine Learning Engineer (AdTech)

Irvine, CA (Hybrid)
Base Salary: Up to $240,000
U.S. Citizen or Green Card Holder Required

About the Opportunity

A rapidly growing technology company in the AdTech space is seeking a Senior Machine Learning Engineer to join a high-impact optimization and data science team. This role is ideal for a hands-on machine learning practitioner who enjoys building production-ready models, working with large-scale datasets, and driving measurable business outcomes through AI and machine learning.

You will own end-to-end machine learning initiatives, from problem definition and feature engineering to model deployment, retraining, and performance optimization. This position offers the opportunity to influence core advertising performance systems and work closely with product, engineering, and analytics teams.

What You'll Do

  • Design, train, evaluate, and deploy machine learning models for optimization and predictive analytics within AdTech environments.
  • Analyze large-scale, multi-source datasets to uncover trends, opportunities, and performance drivers.
  • Build and maintain scalable data pipelines and feature generation processes.
  • Continuously improve model performance through experimentation, retraining, and feature enhancements.
  • Partner with product managers and engineering teams to define requirements and deliver measurable business impact.
  • Monitor model health, accuracy, and operational performance in production environments.
  • Develop high-quality, maintainable code with appropriate testing, documentation, and best practices.
  • Communicate technical findings and modeling decisions to both technical and non-technical stakeholders.

Required Qualifications

  • Bachelor's degree in Computer Science, Computer Engineering, Data Science, Mathematics, or a related technical field.
  • 5+ years of professional experience in Machine Learning Engineering, Applied Machine Learning, Data Science, or a related field.
  • Strong experience developing and training machine learning models using Python and modern ML frameworks/libraries.
  • Advanced SQL skills and experience working with large-scale datasets and complex multi-table data environments.
  • Experience within AdTech, digital advertising, marketing technology, or advertising optimization platforms is required.
  • Strong understanding of feature engineering, model evaluation, and predictive modeling techniques.
  • Experience building and supporting production ML systems.
  • Excellent analytical, problem-solving, and communication skills.

Preferred Qualifications

  • Experience with online feature stores and real-time data systems.
  • Background in recommendation systems, bidding optimization, user acquisition, ad monetization, or advertising performance models.
  • Experience working in cloud-based ML environments.
  • Familiarity with MLOps practices and model lifecycle management.

Work Environment

  • Hybrid work arrangement based in Irvine, California.
  • Collaborative and fast-paced environment focused on innovation and measurable results.
  • Opportunity to work on high-visibility machine learning initiatives that directly impact business performance.

Compensation & Benefits

  • Competitive base salary up to $240,000
  • Comprehensive benefits package
  • Performance-based incentives
  • Career growth and advancement opportunities
  • Collaborative, technology-driven culture

Please note: Candidates must be authorized to work in the United States without sponsorship. U.S. Citizens and Green Card holders only.

CONTACT

Stephanie Landa

Principal Recruitment Consultant

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