Junior SQL Developer

IOCO
📍 Johannesburg, Johannesburg, South-Africa 💼 Full-time 🕒 Posted February 19, 2026

Job Description

We’re looking for a Junior SQL Developer to support data-driven projects by building, maintaining, and optimising SQL queries and databases. This role is ideal for someone early in their data journey who’s eager to learn, enjoys problem-solving, and wants exposure to real-world enterprise environments.

You’ll work closely with senior developers, data engineers, and business stakeholders to support reporting, data integration, and operational systems.

What you'll do:

  • Write, test, and optimise SQL queries, views, and stored procedures
  • Support database development and maintenance across existing systems
  • Assist with data extraction, transformation, and loading (ETL) activities
  • Help troubleshoot data-related issues and performance bottlenecks
  • Work with business teams to understand reporting and data requirements
  • Support dashboard and reporting solutions where required
  • Maintain documentation ...

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Job Details

  • Location Johannesburg, Johannesburg
  • Job Type Full-time
  • Category Other-General
  • Posted Date February 19, 2026
  • Application Deadline March 31, 2026