SQL Developer: Build, Optimize & Visualize Data

Istaff; South Africa; On-site; ZAR 300,000 - 600,000; Full time

Job summary

Istaff is seeking an SQL Developer in Gauteng to design, implement, and maintain databases while collaborating with developers, analysts, and stakeholders. You will optimize queries, build reports, and ensure data integrity in a dynamic tech environment.

Ideal candidates have a solid foundation in SQL, data modeling, and database design, with experience in SSRS and Power BI. The role emphasizes collaboration, performance tuning, and data security to support business initiatives.

Qualifications

• Bachelor's degree in Computer Science, IT, Mathematics or related field.
• Basic understanding of SQL and relational database concepts.
• Strong analytical and problem-solving abilities.
• High attention to detail with a focus on data accuracy and quality.
• Good communication and teamwork skills.
• Ability to learn quickly and take direction from senior technical team members.
• Familiarity with database management tools and SQL client applications will be advantageous.
• Exposure to SSRS and Power BI will be beneficial.

Responsibilities

• Develop, test, and optimize SQL queries, stored procedures, and database objects.
• Assist with the design and maintenance of database schemas, tables, indexes, and relationships.
• Work closely with software developers to integrate databases with business applications.
• Monitor database performance and assist in identifying and resolving performance issues.
• Support data quality and integrity initiatives through validation and cleansing processes.
• Perform routine database administration tasks, including backups, restores, and data migrations.
• Build and maintain reports using SSRS.
• Develop, enhance, and support Power BI data models and reporting solutions.
• Ensure database security and compliance with data protection standards and best practices.
• Create and maintain technical documentation for databases, processes, and configurations.
• Stay up to date with emerging database technologies, tools, and industry trends.

Skills

SQL

Data modeling

Database design

Power BI

Education

Bachelor's Degree in Computer Science or related field

Tools

SSRS

Power BI

Job description

Istaff is seeking an SQL Developer in Gauteng to design, implement, and maintain databases while collaborating with developers, analysts, and stakeholders. You will optimize queries, build reports, and ensure data integrity in a dynamic tech environment.

Ideal candidates have a solid foundation in SQL, data modeling, and database design, with experience in SSRS and Power BI. The role emphasizes collaboration, performance tuning, and data security to support business initiatives.