TRAFFIC Gauteng

Database Developer (PostgreSQL)

iOCO Tech

Job Description

We are looking for a Database Developer to join our growing technology team in Johannesburg. This is a great opportunity for someone who is passionate about databases, enjoys writing clean SQL, and wants to grow their career in a collaborative and innovative environment. PostgreSQL is at the core of what this team does - if databases excite you, we want to hear from you.

What you'll do:
  • Assist in designing and maintaining database structures and schemas
  • Write and optimise SQL queries, stored procedures, functions and triggers
  • Support database replication and availability monitoring
  • Collaborate with developers, product managers and designers to deliver quality features
  • Help maintain data integrity, security and documentation
  • Troubleshoot and resolve database issues as they arise
  • Learn and apply best practices in database performance and optimisation
  • Participate in code reviews and contribute to team knowledge sharing
Your expertise:
  • A minimum of 3-4 years of hands on PostgreSQL or SQL database development
  • Some exposure to DBA tasks - backups, performance, availability
  • Experience working in an Agile development environment
  • Basic understanding of OO design principles
  • Advantageous
    • Any exposure to PostGIS or spatial/GIS data - a big bonus if you have it
    • Exposure to ASP.NET, ASP.NET Core or WebAPI
    • Exposure to MySQL or other relational databases
Qualifications required:
  • Matric / Grade 12
  • Degree or Diploma in Software Engineering, Computer Science or related field
Personal Attributes:
  • Curious and eager to learn
  • Takes ownership and asks questions when unsure
  • Good communicator - written and verbal
  • Team player who enjoys collaboration
  • Analytical mindset with attention to detail

About This Role

Career insights for Database Architects positions

Salary Benchmark
R24,300/month
R15,695 to R38,292/month
Source: WageIndicator ZAR data
Job Outlook
This career will grow rapidly in the next few years.
Key Skills for This Role
Complex Problem Solving Critical Thinking Judgment and Decision Making Reading Comprehension Systems Analysis
Common Technologies
Amazon DynamoDB Elasticsearch (now Elastic) MongoDB Atlas Apache Hive Blackboard Learn IBM Db2 Django Angular

Job Overview

Date Posted
27 Mar 2026
Location
Gauteng, South Africa

Database Architects Insights

Median Salary (ZAR)
R24,300/month
Job Outlook
This career will grow rapidly in the next few years.

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