Senior BI Developer

Seeking a Senior BI Developer with strong business intelligence and data engineering expertise to join a growing Data Science team. Reporting to the Head of Data Science, the role involves designing, developing, and maintaining the full BI lifecycle including data flows, models, cubes, reports, and templates for both client and internal projects. The ideal candidate will have advanced skills in BI, SQL, and Power BI, with the ability to drive innovation, define best practices, and establish scalable BI architecture. Requirements: * Strong proficiency in Power BI (including DAX, data modelling, report development, templates, and deployment). * Experience and proficiency in multiple other BI tools (e.g., Tableau, Qlik, Looker, etc.), demonstrating versatility across BI ecosystems. * Advanced SQL skills with proven experience in Azure Synapse Analytics (dedicated/serverless SQL pools, stored procedures, performance tuning). * Experience with OLAP cubes, semantic models, and data warehousing concepts. * Familiarity with ETL/ELT processes (preferably using Synapse Pipelines) and working closely with Data Engineering. * Understanding of data lakehouse concepts and modern BI integrations with Spark/Delta Lake. * Proven ability to design BI architectural patterns and enforce governance best practices. * Experience working with large datasets, retail data, or marketing analytics is highly advantageous. * Familiarity with software development best practices in BI/analytics environments, including modular development, version control (Git), automated testing, and CI/CD pipelines. Should you meet the requirements for this position, please email your CV to it.jobs@tumaini.co.za . You can also contact the team on XXX-XXXX or visit our website www.tumaini.co . Correspondence will only be conducted with short listed candidates. Should you not hear from us within 3 days, please consider your application unsuccessful.

Location: KwaZulu-Natal, KwaZulu-Natal, ZA

Posted Date: 10/26/2025