Senior SQL DeveloperMindworx Consulting • Johannesburg, South Africa
Senior SQL Developer
Mindworx Consulting • Johannesburg, South Africa
10 days ago
Job description
Key Responsibilities :
Collaborate with business stakeholders, product owners, operations, and IT teams to analyze requirements and design optimal data solutions
Translate business needs into technical specifications, including data models, ETL logic, and reporting structures
Develop, optimize, and maintain complex SQL code, stored procedures, and functions
Design and implement ETL solutions using SSIS or equivalent tools, ensuring accuracy, performance, and maintainability
Build and maintain enterprise data warehouse solutions, including dimensional modelling and performance optimization
Develop and maintain interactive dashboards and reports using Power BI, SSRS, and other BI tools
Implement version control and collaborative development practices using Git (branching strategies, pull requests, code reviews)
Integrate data from multiple sources, ensuring data quality, integrity, and security
Work with internal APIs to retrieve, transform, and load data into SQL Server environments, and integrate API-driven processes into SSIS packages where required
Monitor and troubleshoot production data processes, providing timely resolution of issues
Contribute to architectural design decisions and participate in peer code reviews
Implement best practices for database performance tuning, security, and optimization
Support Agile delivery processes, participating in sprint planning, daily stand-ups, and retrospectives
Document technical solutions, processes, and data flows for operational continuity and knowledge sharing
Experience :
Minimum 57 years experience in database development, with extensive use of T-SQL (SQL Server)
Proven experience in ETL design and development using SSIS (or similar tools)
Hands-on experience with data warehouse design, dimensional modelling, and large-scale database solutions
Experience in BI development using Power BI, SSRS, and other reporting tools
Solid understanding of source control systems (Git) and CI / CD practices for data solutions
Strong problem-solving skills, with a track record of troubleshooting and optimizing SQL queries and ETL processes
Experience in consuming and integrating APIs (REST / SOAP) into SQL and SSIS processes is considered highly advantageous
Exposure to cloud-based data solutions (Azure Synapse, Azure Data Factory, or similar) is beneficial
Knowledge or hands-on experience with Snowflake or IBM Cloud Pak for Data is considered a strong advantage
Experience working in Agile / Scrum environments
Financial services or investment platform experience is advantageous
Minimum Qualifications Required :
Bachelors degree in Information Technology, Computer Science, Information Systems, or a related field
A relevant diploma in IT, Data Analytics, or a related field will also be considered if accompanied by hands-on experience in SQL development, ETL processes, and data warehousing
Microsoft certifications in SQL Server, Data Engineering, or Power BI (preferred but not mandatory)
Azure Data Engineer Associate or similar cloud data certification is advantageous
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Senior Sql Developer • Johannesburg, South Africa
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