Tommie Hoffman
Senior BI Developer and Data Engineer
Hire this person
Send a job offer directly to this candidate
About
I am a Business Intelligence professional born in 1995. I have a wife and 2 beautiful children. With over 9 years of experience in the BI sector. My expertise lies in SQL, data warehousing, SSIS, and developing end-to-end data solutions that empower businesses with meaningful insights.
I have a strong track record of designing and implementing robust reporting systems and data pipelines, both on-premises and in the cloud. My experience also includes working with Microsoft Azure tools such as Azure Data Factory and other cloud-based solutions.
Experience
Senior Data Engineer - MultiChoice
(2024-01)
Leading and executing data projects using SQL, SSIS, Azure Data Factory, and both on-prem and Azure SQL databases.
- Built an in-house analytics solution for 350+ social media accounts, integrating data from platforms like Facebook, TikTok, and X via APIs, using SSIS, C#, SQL, and JSON into our Data Warehouse.
- Developed Power BI and Report Builder dashboards for business reporting.
- Delivered data ingestion pipelines from diverse sources (Parquet, CSV, MySQL, JSON, etc.) into the data warehouse.
- Mentored junior and intermediate team members and reviewed their work.
- Assisted line manager with project analysis and planning.
BI Consultant and Team Lead - ITBusiness
(2018-01 - 2024-09)
Team Lead - ITBusiness
(2022-10 - 2024-09)
- Led and managed a team of BI Consultants
- Conducted one-on-one sessions, participated in MANCO meetings
- Engaged with clients for project planning and consultant placement
Senior BI Developer - ITBusiness
(2023-06 - 2024-09)
Working with SQL ETL in Trino/Hive
- Developed Power BI reports and documented processes using Confluence
Senior BI Developer - ITBusiness
(2021-03 - 2023-04)
- Built Azure Data Factory pipelines to ingest data from SQL Server, Salesforce, MySQL, JSON, and APIs into Azure SQL and Data Lake
- Created linked services, datasets, and automated workflows
- Developed Power BI dashboards and paginated reports
- Managed tasks via Azure DevOps and performed data analysis
Release Manager - ITBusiness
(2020-06 - 2020-12)
Sanlam – IFRS17 Project
- Oversaw code promotion across environments (Dev to Prod)
- Documented release procedures and provided operational support
- Led data lineage analysis using Informatica Axon
- Designed the incident management section of the support operating model.
BI Developer - Jurni
(2019-08 - 2020-06)
- Designed physical database schema and optimized data structures
- Worked on ETL processes using SQL, T-SQL, SSIS, and Power BI
- Provided Azure assistance and ongoing support during project phase
BI Developer - SBV (Rohr's and Associates)
(2018-10 - 2019-03)
- Developed reports using SSRS, uploaded to Report Server
- Built ETL workflows with SSIS and wrote complex T-SQL queries
- Created documentation and supported visualizations using Tableau and Excel
BI Consultant - GenwareComputer Solutions
(2017-01 - 2018-12)
- Developed and maintained dashboards using Spotfire
- Performed Spotfire installations, upgrades, and server maintenance
- Provided managed services and client support
- Handled SQL development and participated in support calls
BI Consultant - Karabina (Alron)
(2016-01 - 2017-12)
- Worked on a finance-focused BI project with Multichoice
- Built and deployed reports to Report Server, created stored procedures, views, and tables
- Conducted data analysis and produced documentation
- Developed backend and frontend SSRS reports with Lombard Insurance
- Created stored procedures and views for reporting
- Performed data analysis
Internal Support - Karabina
(2017-10 - 2017-11)
- Provided support across SSIS, SSRS, SSAS, TimeXtender, SQL queries
- Conducted data analysis, wrote documentation, and assisted with Excel-based reporting
Education
MCSD Diploma - IT Systems Development - CTU Training Solutions, Potchefstroom (2014-01 - 2015-12)
MCSE Advanced Certificate - IT Database Development - CTU Training Solutions, Potchefstroom
Grade 12 - Hoërskool Schweizer Reneke (2013-01 - 2013-12)