SQL Developer

Career Minded; Johannesburg; On-site; ZAR 300 000 - 400 000; Full time

Job summary

A leading tech recruitment agency is seeking an experienced SQL Developer for a remote role based in South Africa. The ideal candidate will have a strong background in both SQL and NoSQL databases, with responsibilities including designing and maintaining complex database systems, optimizing queries, and ensuring performance. This role offers a competitive salary of R65,000 per month.

Qualifications

• 5+ years of hands-on experience in SQL and NoSQL database development.
• Strong expertise in at least one RDBMS.
• Solid experience with data modeling and schema design.

Responsibilities

• Design, implement, and maintain SQL and NoSQL database systems.
• Develop efficient and optimized queries and stored procedures.
• Monitor and optimize database performance.

Skills

SQL Development

NoSQL Development

Database Optimization

Data Modeling

Tools

PostgreSQL

MySQL

MongoDB

Job description

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.