[Closed] Machine Learning Researcher

Remote Qubit Labs

We are looking for a Machine Learning Engineer who will develop, train, and deploy production-ready ML models (tabular, predictive, and ranking) to support lead generation and conversion optimization.

Our client is a performance-driven digital marketing provider specializing in lead generation and conversion optimization. They help businesses grow by combining data-based insights, advanced marketing tools, and high-performing funnels across multiple industry verticals.

Role Summary

Develops, trains, and evaluates ML models — especially tabular, predictive, and ranking models — and contributes directly to production-first modeling efforts across the funnel.

Minimum Requirements (Must Have)

  • Strong hands-on experience with tabular ML models (XGBoost, LightGBM, CatBoost, logistic regression, etc.)
  • Proven experience with data wrangling, feature engineering, and dataset preparation
  • Experience training, tuning, and evaluating models at scale
  • Solid understanding of model validation
  • Strong Python skills and familiarity with ML libraries
  • Ability to translate hypotheses into measurable experiments
  • Experience working closely with data engineering pipelines

Preferred Qualifications (Nice to Have)

  • Experience with inference engineering: packaging models, building inference endpoints, optimizing latency
  • Exposure to model monitoring: drift, data quality checks, performance monitoring
  • Experience with containerization (Docker) and serving frameworks (FastAPI, Flask, TorchServe, Bento, etc.)
  • Experience deploying ML models in production environments
  • Prior experience with ranking, scoring, or optimization models

We offer:

  • Remote-first model of work;
  • Cooperation under the FOP model/B2B contract;
  • Paid vacation (18 working days per year);
  • Paid sick leaves (10 days per year);
  • Paid medical insurance after the probation period;
  • English-speaking clubs.

Stack:

Docker ML

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