Senior Data Scientist
Job Description
Job Description
Senior Data Scientist (ETL/SQL/Python + Data Lake) — Temp-to-Perm, Onsite
Location: Woodcliff Lake, NJ (onsite)
We’re hiring a Senior Data Scientist to own end-to-end pipelines and deliver rigorous, quantitative insights. You’ll design and operate robust ETL/ELT , write production-grade SQL , build Python workflows, and work across our data lake/lakehouse (S3 + Delta/Iceberg/Hudi).
You will
Architect, optimize, and monitor ETL/ELT (batch + incremental).
Model data and publish reliable, documented datasets/metrics.
Build Python workflows for feature engineering, forecasting, and experiments.
Evolve our data lake: table formats, partitioning, catalogs, quality/governance.
You bring
5–8+ years in data science/analytics engineering.
Expert SQL ; strong Python (pandas/PySpark/dask a plus).
Hands-on data lake experience (Parquet/ORC; Delta/Iceberg/Hudi ; Glue/Unity/Dataplex).
Orchestration ( Airflow/Prefect ) and dbt ; solid engineering practices (Git, testing).
Stats & experimentation (A/B testing, causal inference).
Apply: Send resume/GitHub/portfolio to [email] — subject “Senior Data Scientist (Temp-to-Perm)”.
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