SQL Developer
Build and optimise high-performance data systems for large-scale retail and distribution environments
Remote | Open to candidates outside South Africa | Salary: R45 000 – R55 000 per month
About Our Client
Our client is a technology company delivering integrated software and data solutions to the retail and distribution sector. They focus on building scalable, high-performance systems that connect POS, ERP, and eCommerce platforms. The business values precision, collaboration, and continuous improvement, with a strong emphasis on real-world operational impact.
The Role: SQL Developer
The SQL Developer role focuses on designing, developing, and maintaining high-performance SQL code and database structures that support complex transactional systems. The position plays a critical role in ensuring speed, reliability, and scalability across large datasets used in retail and enterprise operations. This role is well suited to someone who enjoys deep problem-solving, performance optimisation, and working closely with technical and operational teams.
Key Responsibilities
- Design, build, and maintain efficient and scalable T-SQL code, including stored procedures, triggers, views, and functions
- Work with both normalised and denormalised database structures to support diverse system requirements
- Solve high-performance challenges in high-volume read and write environments, maintaining transaction write speeds under 100 milliseconds
- Develop and optimise indexed views to improve reporting performance and query efficiency
- Identify, troubleshoot, and resolve database performance bottlenecks using best-practice tuning techniques
- Collaborate with developers, analysts, and implementation teams across multiple projects
- Support data integrations between POS, eCommerce, and ERP systems including Sage 200, Sage 300, SYSPRO, and Palladium
About You
- Strong experience developing and optimising complex T-SQL queries and database objects
- Proven ability to work with high-volume transactional databases and performance-critical systems
- Solid understanding of database design principles, including normalised and denormalised structures
- Experience with performance tuning, indexing strategies, and query optimisation
- Comfortable working in collaborative, cross-functional technical teams
- Detail-oriented, analytical, and driven to deliver reliable, efficient data solutions
Desired Skills:
- Development SQL
- Development SQL Server
- Stored Procedures
- MDX
- pos
- T-SQL
Desired Work Experience:
- 2 to 5 years