Location: Warsaw/ hybrid
Form of employment: B2B contract
Remuneration: To be determined (competitive, based on experience and skills)

Job Description:
We are looking for a Senior Data Scientist to help us turn massive amounts of data into valuable insights and innovative AI solutions for our clients

About us:
Omniviser is a fast-growing artificial intelligence startup that unlocks the potential of data for businesses. We are building a future where intelligent automation and data drive growth and efficiency.

Responsibilities:

• Creating and optimising ML/AI models, including regression, classification and clustering.
• Analysing huge datasets (millions/billions of records) and transforming them for business needs.
• Collaborating with a team of data engineers, analysts and product managers to implement the Omniviser product in an Enterprise environment.
• Development of data pipelines and feature engineering in a Big Data environment.

Requirements:

• Programming & Analytics: Python, SQL
• Big Data & Cloud: Spark (PySpark, MLlib), cloud (Azure, GCP – BigQuery, Databricks)
• Modelling and statistics: regression, classification, clustering, prompt engineering
• Databases and ETL: SQL (PostgreSQL, MySQL, Redshift), Data Warehousing (DWH, OLAP, Azure Blob Storage)
• Data architecture: pipelines, data lakes, feature engineering
• Business understanding: analysing A/B experiments, translating data into real business decisions

Required experience:

• At least 4 years in Data Science / ML.
• ML and Big Data projects implemented in production.
• Working in a multidisciplinary team (Data Engineers, PMs, Analysts).
• Scalable ML models in a real-world environment.

Nice to have:

• MLOps (Docker, CI/CD for ML).
• AutoML and model optimisation (Quantization, Pruning, Hyperparameter tuning)
• Deep Learning (PyTorch, TensorFlow)
• Knowledge of Langchain or other AI agent orchestration technologies
• If you want to work on advanced ML projects and create an Omniviser solution.

We offer:

• Hybrid work in a modern office in the centre of Warsaw.
• Participation in challenging and innovative projects.
• Opportunity to grow professionally and acquire new skills.
• Competitive salary and benefit package (including medical care, Multisport card).
• Access to the latest technologies and design tools.
• Friendly working atmosphere in a dynamically growing team.