Senior Data Warehouse Developer

4 days ago

Centurion, South Africa Psybergate (Pty) LTD Full time

What you will be doing:Design, develop, and implement scalable data warehouse solutions.Develop, maintain, and optimize ETL/ELT processes for efficient data extraction, transformation, and loading.Build and enhance Power BI solutions from high-level technical and business requirements.Perform quality assurance checks and ensure data accuracy and integrity.Configure real-time data replication using tools such as Stelo SQDR.Provide operational support, troubleshoot errors, and resolve data queries.Work with technical stakeholders to identify data sources, understand metadata, and define solutions.Promote data governance principles, data quality standards, and best practices.Convert legacy Excel reports into Power BI dashboards.Design professional reports, dashboards, and visualisations.Test, debug, and reconcile data against source systems.Communicate progress and present insights in easily understandable formats.Identify opportunities for improvement and provide analytical observations.Collaborate with business analysts, data scientists, and other stakeholders on data requirements.Monitor and optimise data warehouse performance.Implement data governance, security, and compliance standards.Provide mentorship and guidance to junior team members.What we are looking for:5+ years experience as a Data Warehouse Developer or related role.3-year degree in Mathematics, Economics, Computer Science, Information Management, or Statistics.Strong SQL skills with experience in relational and non-relational databases.Experience with ETL/ELT tools (SSIS, Data Factory, Informatica, Talend, etc.).Solid understanding of data warehousing methodologies (Kimball, Inmon).Experience with data modelling (dimensional modelling, star and snowflake schemas).Experience with Power BI or similar visualisation tools.Familiarity with cloud data platforms (Azure Synapse, AWS Redshift, BigQuery) is advantageous.Experience working with SQL Server 2022 and MS T-SQL.Experience with data extraction, data analysis, data reconciliation, and data visualisation.Exposure to data replication tools (Stelo SQDR, Qlik Replicate, etc.).Knowledge of the software development lifecycle.Strong communication, analytical thinking, report writing, problem-solving, and time-management skills.Please note that if you do not hear from us within 3 weeks, consider your application unsuccessful.

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