💼 Responsibilities: Develop and maintain analytical workflows based on R for modeling, statistical analysis, and data transformations. Ensure high data quality by creating tools and metrics for evaluating completeness, integrity, and consistency. Build visualizations, dashboards and analytical assets supporting scientists, researchers and product teams. Implement transformations for complex, multi-source time-series datasets and validate results. Integrate R workflows with APIs, internal data pipelines, and analytics tools such as DBT, Metabase or AWS Glue. ✅ Requirements: 4+ years of experience working with R in analytics, modeling, or data science. Strong R programming skills (data wrangling, automation, reporting, visualization). Understanding of time-series, streaming data, and complex data structures. Ability to create and maintain reproducible analytical workflows. Experience working with APIs and multiple data sources. Familiarity with ML workflows for training and validating models. 🌟 Nice to have: Basic Python for scripting or automation. Experience in healthcare, aviation, transportation, or other safety-critical environments. Comfort working closely with scientists, researchers, or measurement specialists. Basic knowledge of typed languages (e.g., Go). 🎁 We offer: Fully remote environment, flexible working hours. Attractive B2B rate: 19 000 – 30 000 PLN/month. Private healthcare and Multisport. Learning budget and strong ownership over your analytical domain. Work that actually matters: your models contribute to real-world performance and safety outcomes.