Data Analyst / Data Scientist

💼 Responsibilities:

• Create and maintain analytical workflows and data processes handling time-series and structured data.

• Monitor and improve data quality, accuracy, and completeness across multiple sources.

• Support data modeling, feature preparation, and result validation for analytical and predictive use cases.

• Write efficient Python scripts for data transformation, automation, and integration with external APIs.

• Collaborate with product, research, and engineering teams to design relevant KPIs and analysis frameworks.

• Contribute to improving the analytics environment with tools like DBT, Metabase, AWS Glue, or Spark.

✅ Requirements:

• 4+ years of experience in data analysis or applied data science.

• Strong programming skills in Python (data processing, automation, and analytics).

• Good understanding of time-series structures, streaming data, and complex data models.

• Experience working with APIs and integrating data from multiple systems.

• Familiarity with machine learning workflows and model validation.

• Exposure to tools and platforms such as AWS Glue, DBT, Spark, Metabase, DataDog, Great Expectations, Postgres, or TimescaleDB.

🌟 Nice to have:

• Knowledge of R for analysis or visualization.

• Experience in regulated or data-sensitive industries (e.g., healthcare, aviation, transportation).

• Previous collaboration with research or scientific teams.

• Basic familiarity with a typed language (e.g., Go).

🎁 We offer:

• Fully remote work with flexible schedule.

• Attractive B2B rate: 19 000 – 30 000 PLN/month.

• Private healthcare and Multisport package.

• Learning budget and opportunities to grow your technical and analytical skills.

• Real impact — your work directly improves performance and decision-making processes.