Employer: Praesignis (Pty) Ltd Our client in the banking industry is looking for a Data Enigneer to join their team! Role Overview: A Data Engineer is responsible for designing, building, and maintaining scalable data pipelines and platforms that enable reliable data ingestion, storage, processing, and access. The role focuses on transforming raw data into high-quality, trusted datasets that support analytics, reporting, and data science initiatives. Key Responsibilities: * Design, develop, and maintain data pipelines (batch and/or streaming). * Build and optimise data integration processes from multiple data sources. * Develop and manage data models to support analytics and reporting. * Ensure data quality, accuracy, and reliability through validation and monitoring. * Implement and maintain ETL/ELT workflows. * Optimise data storage and query performance. * Collaborate with data analysts, data scientists, and business stakeholders. * Maintain documentation for data pipelines, schemas, and processes. * Enforce data governance, security, and compliance standards. * Troubleshoot and resolve data-related issues in production environments. * Support platform scalability, resilience, and cost optimisation. Required Skills & Experience: Technical Skills: * Strong proficiency in SQL * Experience with Python, Scala, or Java * Hands-on experience with data warehouses (e.g. Snowflake, BigQuery, Redshift, Synapse) * Experience with ETL/ELT tools (e.g. Airflow, dbt, Azure Data Factory, Informatica) * Knowledge of cloud platforms (Azure, AWS, or GCP) * Understanding of data modelling (star schema, snowflake schema, dimensional modelling) * Experience with version control (Git) * Familiarity with CI/CD pipelines for data workloads Data & Platform Knowledge: * Relational and NoSQL databases * File-based data formats (Parquet, Avro, JSON, CSV) * Data streaming concepts (Kafka, Event Hubs, Kinesis – advantageous) * Performance tuning and query optimisation