Senior Data Engineering Sr. Data Developer in SQL, Pyspark In-depth knowledge of data modelling principles and techniques, including relational and dimensional. Excellent problem solving skills and the ability to troubleshoot and debug complex data related issues. Awareness of data tools and platforms like: SQL Pyspark programming languages like SQL. In-depth knowledge of data management principles, methodologies, and best practices with excellent analytical, problem-solving and decision making skills. Develop, implement and maintain database systems using SQL. Write complex SQL queries for integration with applications. Develop and maintain data models (Conceptual, physical and logical) to meet organisational needs. SQL Pyspark