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Launch Potato Logo

Senior Machine Learning Engineer, Recommendation Systems

Launch Potato

$130,000 - $220,000
Sep 5, 2025
Newark, NJ, US
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Launch Potato is looking to build the personalization engine behind its portfolio of brands to drive business growth by building and optimizing recommendation systems that personalize experiences for millions of users daily.

Requirements

  • 5+ years building and scaling production ML systems with measurable business impact
  • Experience deploying ML systems serving 100M+ predictions daily
  • Strong background in ranking algorithms (collaborative filtering, learning-to-rank, deep learning)
  • Proficiency with Python and ML frameworks (TensorFlow or PyTorch)
  • Skilled with SQL and modern data warehouses (Snowflake, BigQuery, Redshift) plus data lakes
  • Familiarity with distributed computing (Spark, Ray) and LLM/AI Agent frameworks
  • Experience with A/B testing platforms and experiment logging best practices

Responsibilities

  • Build and deploy ML models serving 100M+ predictions per day to personalize user experiences at scale
  • Enhance data processing pipelines (Spark, Beam, Dask) with efficiency and reliability improvements
  • Design ranking algorithms that balance relevance, diversity, and revenue
  • Deliver real-time personalization with latency <50ms across key product surfaces
  • Run statistically rigorous A/B tests to measure true business impact
  • Optimize for latency, throughput, and cost efficiency in production
  • Implement monitoring systems and maintain clear ownership for model reliability

Other

  • You’ve shipped large-scale ML systems into production that power personalization at scale.
  • You’re fluent in ranking algorithms and know how to turn data into engagement and conversions.
  • Track record of improving business KPIs via ML-powered personalization
  • Partner with product, engineering, and analytics to launch high-impact personalization features
  • We do not discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.