Data & Reporting Senior Developer

Deliver end-to-end projects, including developing performance KPIs and data models based on multiple data sources
Perform data discovery, cleaning, transformation, metrics calculation, aggregation, and validation
Execute matching and linking across datasets
Ensure secure movement of data from sources to targets
Provide complex reporting solutions within Google Cloud and/or Microsoft SQL Server environments
Utilize Python, T-SQL, and other technologies for data processing and reporting
Collaborate with stakeholders to understand requirements and process logic
Identify internal process improvement opportunities and manage risks in your area
Document processes, create roadmaps, and maintain clear technical documentation
Drive assigned projects, facilitate discussions, and monitor progress
Note: Detailed project information will be shared during the recruitment process.

3+ years of experience in a data-related role (SQL development, data analysis, data engineering, data architecture, or data management)
Advanced knowledge of SQL programming and relational database systems
Understanding of ETL and data warehousing principles
Experience in business reporting and dashboard development
Knowledge of Python is an advantage
Excellent written and verbal communication skills in English
Proactive, goal-oriented mindset with strong problem-solving skills

Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
Hybrid work setup – remote days available depending on the client’s arrangements
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

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