Raymond Madihlaba

[email protected] • 072 491 0466 • Randburg, Johannesburg

PROFESSIONAL SUMMARY

SQL Developer with extensive experience in data engineering, ETL pipeline design, analytics, and reporting. Skilled in SQL Server, Oracle, SSIS, SSRS, Power BI, and data warehouse management. Proven track record of optimizing data processes, delivering accurate insights, and supporting business-critical systems. Adept at collaborating across teams, mentoring developers, and implementing scalable solutions that drive business value.

WORK EXPERIENCE

SQL Developer

12/2022 - Present

Discovery

• Designed and implemented scalable ETL pipelines between Oracle and SQL Server warehouses, ensuring reliable data synchronization

• Developed and optimized SQL Views, Stored Procedures, SSIS Packages, SSRS Reports, and Power BI dashboards, improving reporting efficiency by 35%

• Automated data processes, reducing manual intervention and improving operational efficiency

• Conducted performance tuning and query optimization, improving system response times

• Maintained data warehouse processes, delivering accurate and timely data to business stakeholders

• Mentored junior developers, ensuring adherence to coding and architectural standards

Business Intelligence Engineer

12/2021 - 11/2022

Selpal

• Designed and documented data warehouse structures to support reporting and analytics

• Curated reports and created queries to deliver actionable insights

• Developed SQL Views, Stored Procedures, SSIS Packages, SSRS reports, and Power BI dashboards

• Collaborated with business teams to ensure solutions delivered incremental value

• Participated in Agile sprint planning and contributed to continuous improvement

Operational Messaging Specialist

04/2019 - 12/2021

MultiChoice

• Designed and implemented integration between SQL Server and Oracle Datahub

• Developed stored procedures and optimized messaging solutions

• Built and deployed management reporting solutions using SSRS and Power BI

• Monitored SQL Server BI technologies and optimized performance

• Provided technical support for ETL solutions and improved existing solutions

Offers Specialist

04/2016 - 03/2019

MultiChoice

• Extracted data from SQL Server, Oracle, and FTP sources

• Created, monitored, and scheduled ETL jobs

• Automated offer processes with T-SQL scripts, reducing manual effort

• Built and maintained SSRS dashboards and reconciliation reports

• Designed Power BI reports to provide data insights to business stakeholders

Application Support Analyst

02/2015 - 03/2016

MultiChoice

• Resolved incidents and requests within SLA/OLA timeframes

• Investigated and resolved billing-related issues

• Provided ad-hoc extracts and documented resolutions

• Scheduled and monitored Control-M jobs

• Improved and optimized ETL projects

EDUCATION

NDip: Software Development

01/2019

Tshwane University of Technology

National Senior Certificate

01/2008

Kopa Secondary School