With a promotion to Data Engineering & Science Team Lead, I've furthered my expertise as a Business Intelligence Developer, continuing to leverage my strong background in data analytics and visualization. My role primarily involves leading a dedicated team that develops sound ETL jobs and creates comprehensive documentation for all produced resources, thereby ensuring the highest standards of data quality for reporting use cases. My proficiency lies in Python and R programming, with a significant focus on utilizing libraries such as Pandas, Numpy, PySpark, and NetworkX for data modelling and diverse forms of analysis. I expertly use SQL, R, Python, and Tableau in our toolkit to publish data sources that underpin vital business decisions. Moreover, I use Git (Bitbucket) for version control of our codebase and Confluence to meticulously document all processes, reflecting my commitment to transparency and reproducibility in data engineering. I am proficient in creating visually appealing reports and dashboards using Excel, Power BI (DAX), and Tableau. This skill allows me to translate complex data into a format that is easily understandable and accessible to stakeholders, enabling them to make informed business decisions. I have a robust foundation in SQL and have worked with various database systems, including SQL Server, Exasol, Hive, Oracle, and PostgreSQL. My broad understanding of databases ensures that I can efficiently manage and manipulate data in diverse environments. In summary, my expanded role as a team leader, coupled with my technical skills and experience, make me an invaluable asset to any organization seeking to leverage data-driven insights to drive business success. Whether leading a team, working with large datasets, developing ETL pipelines, or creating dynamic dashboards, I remain committed to delivering high-quality results that aid stakeholders in informed decision-making. I am eager to bring my enhanced skills and leadership experience to new challenges and contribute to the growth and success of a forward-thinking company.