Senior ML Engineer (RecSys)

Infomediji is an international company operating in VR and building high-load streaming platforms for millions of users worldwide.

We're hiring a Senior ML Engineer (RecSys) to join our RecSys team! 🚀 🌏 Remote (B2B / Sole Proprietorship format worldwide)

🔹 What we're looking for: • 4+ years of commercial ML engineering experience • Strong hands-on experience with two-stage RecSys (Retrieval + Ranking) • Advanced Python, SQL, and PyTorch or TensorFlow • Experience with CatBoost, XGBoost, or LightGBM • Ability to productionize and deploy your own models (FastAPI / Python backend) • Experience with MLflow, Airflow, Kubeflow, or similar workflow tools • Strong product mindset and high engineering autonomy • Fluent English and Russian

⭐ Nice to have: • Sequential/session-based recommenders (SASRec, BERT4Rec) • Real-time, low-latency online serving & feature freshness • Experience in video streaming, feeds, or media platforms