Reddit, Inc.

Staff Machine Learning Engineer, Ads Auction – Ads Marketplace Quality

Reddit, Inc.

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $230,000 - $322,000 per year

Job Level

About the role

  • Lead and oversee the strategy development, quarterly planning and day-to-day execution of initiatives related to ads marketplace, auction and pricing.
  • Proactively further our understanding of marketplace dynamics and develop algorithms to improve the efficiency and effectiveness of our ads marketplace, auction and pricing.
  • Oversee end-to-end ML workflows—from data ingestion and feature engineering to model training, evaluation, and deployment—that optimizes the ads marketplace efficiency.
  • Be a mentor, lead both junior and senior engineers in implementing technical designs and reviews. Fostering a culture of innovation, technical excellence, and knowledge sharing across the organization.
  • Be a cross-functional advocate for the team, collaborate with cross-functional teams (e.g., product management, data science, PMM, Sales etc.) to innovate and build products.

Requirements

  • 8+ years of experience with industry-level product development, with at least 5+ years focused on data-driven, marketplace-optimization problem space at scale.
  • Strong knowledge of ads marketplace optimization. Demonstrated experience architecting ads marketplace design, improving and optimizing ads auction and pricing mechanisms.
  • Solid understanding of large-scale data processing, distributed computing, and data infrastructure (e.g., Spark, Kafka, Beam, Flink).
  • Proficiency in machine learning frameworks (e.g., TensorFlow, PyTorch) and libraries for feature engineering, model training, and inference.
  • Proficiency with programming languages (Java, Python, Golang, C++, or similar) and statistical analysis.
  • Proven technical leadership in cross-functional settings, driving architectural decisions and influencing stakeholders (product, data science, privacy, legal).
  • Excellent communication, mentoring, and collaboration skills to align teams on a long-term vision for ads marketplace optimization.
Benefits
  • Comprehensive Healthcare Benefits
  • 401k Matching
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation (please use them!) & Reddit Global Wellness Days
  • 4+ months paid Parental Leave
  • Paid Volunteer time off
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningads marketplace optimizationdata processingdistributed computingfeature engineeringmodel trainingmodel evaluationprogramming languagesstatistical analysisalgorithm development
Soft Skills
technical leadershipmentoringcollaborationcommunicationinnovationknowledge sharingcross-functional advocacystakeholder influenceteam alignmentorganizational culture