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Moloco company · OPEN ROLE

Moloco

Machine Learning Engineer (머신러닝 엔지니어)

Seoul, Korea · Engineering · AI

Company
Sell big-platform ad prediction to every app, retailer and streamer on the open internet.
Role
Build CTR/CVR, ranking and bid models for a system serving 6M+ bid requests a second under 7 ms.

What you will do

We rewrote the responsibilities and qualifications in plain language instead of copying the original posting.

Responsibilities

  • Builds and keeps improving deep learning models used for click through and conversion prediction and ranking.
  • Builds and maintains training and serving data pipelines using GCP tools like Dataflow, BigQuery, BigTable, and Apache Beam.
  • Supports live model serving and watches real time behavior to find and fix problems.
  • Designs offline experiments, sets evaluation metrics, and writes up the findings.
  • Works with other machine learning engineers, applied scientists, and infrastructure engineers to carry projects through to completion.

What you need

  • Holds a bachelor's degree or higher in computer science or a related field, or equivalent experience.
  • Has spent 2+ years writing production code for machine learning or deep learning systems, with senior candidates expected to bring more.
  • Understands core statistics and probability, classification and regression modeling, and offline evaluation.
  • Can code in at least one of Python, Java, or Go.
  • Communicates fluently in English.
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Checked 2026-10-19

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