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PP - Data Engineer - 175 at Thaloz. We are seeking a highly skilled and motivated Senior Data Engineer to join our Credit Platform Data team. In this pivotal role, you will be responsible for designing, building, and maintaining scalable and reliable data pipelines and ETL processes that empower our internal business units with efficient data processing and utilization. Your expertise will directly impact the quality and accessibility of data, enabling data-driven decision-making across the organization. Collaborating closely with product managers, analysts, and stakeholders, you will translate complex data requirements into robust engineering solutions that handle large volumes of data with high performance and scalability.. Responsibilities. . Architect, develop, and maintain scalable data pipelines and ETL workflows that support the ingestion, transformation, and storage of large datasets from diverse sources.. . Implement automated data quality checks and validation processes to ensure the accuracy, consistency, and reliability of data across systems.. . Work closely with product managers, data analysts, and business stakeholders to gather and understand data requirements, translating them into technical specifications and actionable engineering tasks.. . Continuously monitor and optimize data systems for performance, scalability, and cost-efficiency, ensuring that data infrastructure meets evolving business needs.. . Diagnose and resolve data-related issues promptly, providing root cause analysis and implementing preventive measures.. . Maintain comprehensive documentation of data pipelines, ETL processes, and system architecture. Participate in design and code reviews to uphold high engineering standards.. . Stay abreast of emerging data engineering technologies, tools, and best practices to drive innovation and continuous improvement within the team.. . Provide guidance and mentorship to junior data engineers, fostering a culture of knowledge sharing and technical excellence.. . . Bachelor's degree in Computer Science, Engineering, or a related field.. . . SQL:.  Expert-level proficiency in SQL for querying, manipulating, and optimizing relational databases. Ability to write complex queries, optimize performance, and work with large datasets efficiently.. . . Python:.  Strong programming skills in Python, including experience with data processing libraries such as Pandas. Ability to develop robust, maintainable, and scalable data processing scripts and automation tools.. . . PySpark:.  Proficient in using PySpark for distributed data processing on large-scale datasets. Experience with Spark’s DataFrame API, RDDs, and performance tuning in a big data environment.. . . ETL (Extract, Transform, Load):.  Deep understanding of ETL concepts and hands-on experience designing and implementing ETL pipelines that ensure data integrity and efficiency.. . . Data Modeling:.  Expertise in data modeling techniques to design logical and physical data models that support efficient querying and reporting. Familiarity with normalization, denormalization, and schema design best practices.. . . Relational Databases:.  Experience working with relational database management systems (RDBMS) such as Oracle, MySQL, or similar platforms. Knowledge of database design, indexing, and query optimization.. . . Data Warehousing:.  Solid understanding of data warehousing concepts, architectures, and best practices. Experience building and maintaining data warehouses that support business intelligence and analytics.. . . Unix/Linux:.  Proficiency in Unix/Linux operating systems for managing data workflows, scripting, and system monitoring.. . . Shell Scripting:.  Ability to write shell scripts to automate routine tasks, manage data pipelines, and integrate with other system components.. . . Automation Testing:.  Experience implementing automated testing frameworks for data pipelines and ETL processes to ensure data quality and system reliability.. . . Bachelor’s Degree:.  A Bachelor’s degree in Computer Science, Engineering, or a related technical field.. . . Professional Experience:.  Minimum of 3+ years of proven experience as a Data Engineer or in a similar role, with a strong background in database development, ETL processes, and software development.. . Company Location: Brazil.