Senior Data Scientist for AdTech Healthcare-Production ML

Sii Poland; Toruń; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland in Poland is seeking a seasoned ML Engineer to design and implement probabilistic methods for extracting signals from large healthcare datasets and to train next-gen models for scalability.

You will own end-to-end ML pipelines, work with Python data-science stack (scikit-learn, PyTorch, LightGBM, spaCy, Hugging Face), and collaborate across teams to improve predictive power and data quality.

Qualifications

• Minimum 5 years of experience in training and monitoring ML models for production use.
• Experience with data and ML engineering, including ML-facing ETL processes over very large datasets and data-quality monitoring.
• Expertise in Python data-science and ML libraries like scikit-learn, PyTorch, LightGBM, Splink, spaCy, and Hugging Face
• Practical experience in probabilistic methods for entity linking, matching, imputation, scoring, and evaluation.
• Strong command of SQL for distributed warehouses such as Snowflake, BigQuery, or Databricks
• Advanced level of English

Responsibilities

• Measuring existing model performance and finding ways to improve it
• Owning the design of the new methodology and training the next-gen model for increased predictive power, sample efficiency, and scalability to large datasets
• Extracting unique entities and sparse attributes from heterogeneous sources – both structured and unstructured
• Designing and implementing probabilistic entity linking & matching across multiple large healthcare datasets
• Exploring graph technologies and graph theory
• Building and owning an analytics data store, evaluation, and monitoring pipelines

Skills

Python

Data science

scikit-learn

PyTorch

LightGBM

Splink

spaCy

Hugging Face

Tools

Snowflake

BigQuery

Databricks

Neo4j

Amazon Neptune

Stardog

Job description

Sii Poland in Poland is seeking a seasoned ML Engineer to design and implement probabilistic methods for extracting signals from large healthcare datasets and to train next-gen models for scalability.

You will own end-to-end ML pipelines, work with Python data-science stack (scikit-learn, PyTorch, LightGBM, spaCy, Hugging Face), and collaborate across teams to improve predictive power and data quality.