Senior SQL Developer: End-to-End Data Solutions

iOCO; Gauteng; On-site; ZAR 600,000 - 900,000; Part time

Job summary

iOCO is seeking a skilled SQL Developer to design, develop, and maintain SQL-based systems in Johannesburg or Cape Town. You will own projects from design through deployment and support, collaborating with analysts and developers to translate business needs into robust data solutions.

With 5+ years of experience, you will leverage T-SQL, procedures, functions, and performance tuning, and you may find SSRS beneficial.

Qualifications

• 5+ years of experience as a SQL Developer in a professional environment.
• Proficiency in T-SQL, stored procedures, functions, triggers, and performance tuning is essential.
• Experience with SSRS will be beneficial.
• Solid understanding of relational database design, normalization, and optimization.
• Experience working with large datasets and complex data transformations.
• Exposure to source control and Agile methodologies is advantageous.

Responsibilities

• Design, develop, and maintain SQL-based systems and solutions.
• Extend and optimize existing database structures and stored procedures.
• Support and troubleshoot BAU data processes to ensure consistent system performance.
• Collaborate closely with business analysts, developers, and other stakeholders to understand and translate business requirements into technical solutions.
• Develop and implement efficient queries, scripts, and database objects to meet business needs.
• Perform data analysis, validation, and quality checks to ensure data integrity.
• Participate in testing, deployment, and continuous improvement initiatives.
• Take full ownership of assigned projects — from design through to implementation and support.

Skills

T-SQL

Stored procedures

Functions

Triggers

Performance tuning

Data analysis

Agile

Tools

SSRS

Relational database design

Data transformations

Source control

Job description

iOCO is seeking a skilled SQL Developer to design, develop, and maintain SQL-based systems in Johannesburg or Cape Town. You will own projects from design through deployment and support, collaborating with analysts and developers to translate business needs into robust data solutions.

With 5+ years of experience, you will leverage T-SQL, procedures, functions, and performance tuning, and you may find SSRS beneficial.