MS SQL & NoSQL Developer (Remote Position)

Description

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.

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.

Qualifications and Expertise

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.

Preferred Education:

Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.

Competency

Proven ability to write complex SQL queries and optimize them for performance.
Proven ability to read, understand and amend existing complex SQL queries and optimize them for performance.
Experience with database administration tasks, including backups, replication, and disaster recovery.
Familiarity with ETL tools (SSIS) and frameworks.
Comfortable working in Agile environments.
Excellent problem-solving and troubleshooting skills.
Knowledge of data security best practices.

What We Offer:

Competitive salary and benefits package (R800 000 per annum)
Flexible work environment (remote/hybrid options)
Opportunities for professional growth and development
Collaborative and inclusive team culture
Knowledge transfer in tourism technologies