Junior SQL Developer

Recruiter:

IOCO

Job Ref:

955873605

Date posted:

Monday, February 16, 2026

Location:

Johannesburg, South Africa

SUMMARY:
-

POSITION INFO:

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 enhancements

Your 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 thinking

Qualifications:

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 welcome

Personal 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

NB! This job is now closed. You can apply for other jobs by uploading your CV.

Similar jobs you might be interested in:

Junior C# & SQL Developer
Location: Pretoria
Salary:
Looking for a junior C# and sql developer in Menlyn Maine area.
28 days ago

Graduate/Junior Data Scientist
Location: Centurion
Salary:
Kickstart your career in data science within the financial services space. If you're passionate about machine learning, analytics, and solving real-world problems this is your opportunity to make an impact from day one.
1 day ago

Junior BI Developer
Location: Johannesburg
Salary:
Launch your career in Business Intelligence by working handsâon with sql, reporting platforms, and modern Microsoft data technologies in a supportive, growthâfocused environment.
6 days ago

Junior Data Scientist
Location: Johannesburg
Salary:
Kick-start your career in data science by applying advanced analytics and machine learning to real-world financial problems.
6 days ago

Business Intelligence Developer
Location: Johannesburg
Salary: 400000 Annually
New Opportunity: BI developer - Gauteng
13 days ago

Senior Data Warehouse Developer
Location: Johannesburg
Salary:
Are you a data-driven problem solver who thrives on turning complex datasets into meaningful business insights? A leading financial services group is seeking a Senior Data Warehouse developer to design, develop, and optimise enterprise-level data warehouse solutions. This role is ideal for a technically strong professional who enjoys collaborating with stakeholders and delivering high-quality repo...
13 days ago

Mid-Level Software Developer
Location: Johannesburg
Salary: 45000 Monthly
Now find new jobs best matched to your skills!Job Title: Mid-Level Software developer - Sandton - Retail Management SystemsSalary: R45,000 to R65,000, Negotiable depending on experience.The Opportunity:Joining this leading retail software provider is a smart career move today. You will build serious systems that drive growth for high-volume retailers. Scaling core management products ensures massi...
6 days ago

Natural Adabas Developer
Location: Johannesburg
Salary: 700000 Annually
Salix Recruitment is partnering with a leading organisation in the car rental industry to appoint a Natural Adabas developer to join their dynamic IT team. This is an excellent opportunity for an experienced mainframe developer to contribute to the design, stability, and performance of key enterprise systems that drive operational excellence.This role offers the chance to work on business-critical...
23 days ago

Senior Full Stack Developer (.NET & React)
Location: Cape Town
Salary:
Are you a seasoned Full Stack developer with strong .NET and React experience? Join a globally recognised leader in cinema technology and be part of an innovative engineering team shaping the future of digital entertainment.
25 days ago

Senior Software Developer (C#, SQL) (x3) (Centurion Hybrid)
Location: Centurion
Salary:
28 days ago

Junior SQL Developer

Similar jobs you might be interested in:

Jobseekers

Recruiter

General