Senior ML Engineer, Ads

New

Skills

Airflow BigQuery Deep Learning Machine Learning Pytorch Spark TensorFlow

Reddit is seeking a Senior Staff Machine Learning Engineer specializing in Ads Targeting to lead the development of advanced machine learning solutions for advertising products. This fully remote role, open to US-based applicants, offers the opportunity to drive impactful research, design, and execution of ML-based targeting products, collaborating closely with cross-functional teams to improve advertiser outcomes and shape team strategy.

Job Overview
  • Lead the design and implementation of ML-driven ad targeting products such as auto targeting and user lookalikes.
  • Drive technical research direction, roadmap planning, and project execution for complex ML initiatives.
  • Mentor junior engineers and contribute to team vision and strategy.
  • Collaborate with product managers, engineering, research, and marketing stakeholders.
Key Responsibilities
  • Research, develop, test, and launch new deep learning model architectures for ad retrieval and targeting.
  • Own end-to-end experimentation and deployment of ML models to enhance targeting products.
  • Work on large-scale data systems and integrate ML solutions into production environments.
  • Guide technical strategy and prioritize product roadmap based on data analysis and industry trends.
  • Provide technical mentorship and foster innovation within the team.
Required Skills & Qualifications
  • 8+ years of experience in building and deploying machine learning models.
  • 5+ years of hands-on experience with TensorFlow or PyTorch.
  • Proven tech lead experience in ML product teams.
  • Expertise in deep learning retrieval models (GNNs, transformers, two tower models, LLMs).
  • Experience with large-scale data processing (Spark, Dataflow, Kubeflow, Airflow, BigQuery).
  • Familiarity with ads retrieval, ranking, or recommendation systems.
  • Knowledge of nearest-neighbor search systems is a plus.
  • Experience collaborating with research, product, and infrastructure teams.
  • Strong background in representation learning or transfer learning.
  • Excellent communication and leadership skills.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: 12 Months

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