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

Навыки

• Python
• SQL
• PyTorch
• TensorFlow
• CatBoost
• XGBoost
• LightGBM
• FastAPI
• MLflow
• Airflow
• Kubeflow
• SASRec
• BERT4Rec