Trellis Company

Senior Machine Learning Engineer, Real-Time Bidding

Trellis Company

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Job Level

Senior

Tech Stack

BigQueryCloudDistributed SystemsGoogle Cloud PlatformPythonPyTorchScikit-LearnSQLTensorflow

About the role

  • Research, design, and implement advanced ML models for conversion rate prediction, value estimation, and pacing
  • Build robust feature pipelines with BigQuery and Dataflow, ensuring low-latency inference at scale
  • Deploy, monitor, and continuously improve models in production using Vertex AI
  • Develop and maintain MLOps frameworks to automate training, evaluation, and deployment
  • Partner with backend and distributed systems engineers to integrate models into high-throughput bidding services
  • Contribute to experimentation frameworks and A/B testing of ML-driven bidding strategies
  • Own end-to-end ML lifecycle: data exploration, feature engineering, model training, deployment, and monitoring
  • Drive improvements in bidding efficiency and ROI across millions of daily ad auctions
  • Report to Head of RTB (Thomas Boquet) and collaborate with cross-functional engineering teams

Requirements

  • 5+ years of ML engineering experience, including end-to-end deployment in production environments
  • Proficiency in Python and ML frameworks (TensorFlow, PyTorch, or Scikit-learn)
  • Experience with cloud ML platforms, preferably GCP (Vertex AI, Dataflow, Pub/Sub, BigQuery)
  • Familiarity with MLOps practices (CI/CD for ML, monitoring, reproducibility)
  • Strong data skills: SQL, feature engineering, and big data processing
  • Pragmatic mindset: delivering fast, measurable improvements while balancing complexity and scale
  • Must be based in the United States or Canada (fully remote within US/Canada)
Benefits
  • Unlimited vacation time
  • 100% employer-paid Platinum-tier health insurance for employee, 65% for dependents
  • Flexible Spending Accounts (FSAs)
  • 401(k) retirement savings plan
  • Bonuses and equity opportunities
  • Budget for home office equipment
  • Quarterly, fun team bonding events
  • 75th-percentile (competitive!) compensation
  • 100% remote work environment
  • Opportunities for growth and development
  • Flat, collaborative, transparent culture

Applicant Tracking System Keywords

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

Hard skills
machine learningmodel deploymentfeature engineeringdata explorationbig data processingA/B testingMLOpslow-latency inferencecloud ML platformsSQL
Soft skills
pragmatic mindsetcollaborationcommunicationproblem-solvingcross-functional teamwork
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