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 for database objects and processes Follow best practices around data quality, security, and version control Collaborate with senior team members on ongoing projects and enhancementsYour Expertise:
Basic to intermediate SQL (joins, subqueries, aggregates, indexing fundamentals) Exposure to relational databases (SQL Server preferred; MySQL / PostgreSQL acceptable) Understanding of database concepts (tables, relationships, constraints) Comfortable working with datasets and basic data analysis Familiarity with Excel and/or basic BI tools is advantageous Any exposure to ETL tools or scripting (Python / PowerShell) is a plus Strong attention to detail and logical thinkingQualifications:
Diploma or Degree in IT, Computer Science, Information Systems, or similar Relevant certifications or online training in SQL / databases are beneficial Graduate or junior-level candidates welcomePersonal Attributes
Curious mindset and willingness to learn Strong problem-solving ability Good communication skills Able to work independently and within a team Organised and comfortable working in structured environments
17 Feb 2026;
from:
gumtree.co.za