SQL Developer

5 days ago


Johannesburg, Gauteng, South Africa Career Minded Full time R780 000 per year
Job Overview
  • Application Deadline: 8 December 2025
  • Job Location: Johannesburg, Gauteng
  • Job Title: SQL Developer
  • Salary Offer: R65,000
  • Education Level: Diploma
  • Job Level: Senior
  • Minimum Experience: 5- 7 Years
SQL Developer position available in Johannesburg.

My client has an office in Bryanston, but their developers are located across South Africa. They have a fully remote role (hybrid should you live in Johannesburg) available.

They are seeking an experienced SQL & NoSQL Developer to join their development team.

The ideal candidate will have a strong background in both relational and non-relational database systems, with a proven ability to design, develop, optimize, and maintain complex data structures and queries.

Salary: R65 000 per month.

Duties and Responsibilities:

  • Design, implement, and maintain SQL and NoSQL database systems for applications.
  • Develop efficient and optimized queries, stored procedures, views, and triggers.
  • Perform data migrations, ETL (Extract, Transform, Load) processes, and data transformations as needed.
  • Monitor and optimize database performance, including indexing, query tuning, and capacity planning.

Requirements:

  • 5+ years of hands-on experience in both SQL and NoSQL database development.
  • Strong expertise in at least one RDBMS (Relational Database Management System) (e.g., PostgreSQL, MySQL, MS SQL Server, Oracle).
  • Strong knowledge of at least one NoSQL database (e.g., MongoDB, Cassandra, Couchbase, DynamoDB, Redis, Dragonfly). Preferably Redis/Dragonfly expertise.
  • Solid experience with data modeling, normalization/denormalization, and schema design.

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