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Data Engineer (Billing Automation) at 3 Oaks Gaming. We’re looking for a Data Engineer to support the Commercial Department and analyze financial data from Atlas CRM, Back Office, and Jira. In this role, you’ll be responsible for running monthly invoicing processes, generating client reports, and collaborating closely with Sales, Account Management, Billing, Legal, and Integration teams to gather and process key customer data.. - 2+ years of working experience as a Data Engineer;. - Knowledge of Python, with a focus on data processing and automation;. - Experience working with RESTful APIs, JSON and authentication mechanisms;. - Understanding of data structures and usage of Pandas for data manipulation;. - Experience with SQL for querying and analyzing structured data;. - Ability to create and interpret Tableau reports and dashboards;. - Basic understanding of financial concepts and working with financial data;. - Basic experience with Docker is a plus.. Responsibilities:. - Develop and maintain Python scripts to retrieve and process data from APIs;. - Clean and transform raw data into structured formats;. - Troubleshoot and debug issues related to API requests and data processing;. - Continuously improve the project/application by optimizing performance, enhancing features, and implementing best practices;. - Generate, analyze, and visualize reports using Tableau to support business decisions;. - Create and manage dashboards, filters, and data visualizations to provide insights;. - Collaborate with teams to ensure data accuracy and system efficiency.. Company Location: Slovakia.