Complex Developer

Recruiter:

Gijima Holdings

Job Ref:

JHB000741/KP

Date posted:

Wednesday, April 8, 2026

Location:

Centurion, South Africa

SUMMARY:
Gijima Staffing Solutions is recruiting on behalf of a client for a 1-year contract for a Complex Developer (Senior / Specialist Level).
Experience Required: ±15 Years

POSITION INFO:

Role Overview

We are seeking a highly experienced Complex Developer with deep expertise in enterprise data engineering, SQL development, data integration, and analytics platforms.
The successful candidate will be responsible for designing, developing, optimising, and maintaining complex data solutions across multiple systems and platforms within a large enterprise environment. This role requires a strong combination of technical development capability, database architecture knowledge, and hands-on experience with modern data platforms and ETL processes.

Minimum Requirements

±15 years’ experience in complex data engineering or development environments
Extensive experience in MS SQL Server and enterprise data systems
Proven experience with BI and data integration platforms
Strong background in data warehousing and analytics environments
Relevant tertiary qualification (Computer Science, Information Systems, Engineering, or similar) advantageous

Preferred Experience

Mining or large enterprise environments
Cloud platforms (AWS / Snowflake)
Hybrid data architectures
Large-scale data transformation projects

Core Technical Skills

Database & Programming

Advanced MS SQL Server (T-SQL)
DDL / DML
Stored Procedures, Functions, Views, Triggers
Database design, tuning, and optimisation

ETL & Data Integration

SSIS
SAS DI
Ab Initio (advantageous)
ETL design, workflows, and transformation logic

BI & Analytics Tools

SSRS, SSAS (Tabular & Multidimensional)
Power BI (including Power Automate)
Tableau (advantageous)
QlikView / Qlik Sense

Data Platforms

Snowflake / Snowpark
AWS Data Analytics services
Oracle / GoldenGate
Netezza, Denodo

Development Tools

Microsoft Visual Studio
SharePoint
Power Apps
Python

Additional Skills

Data modelling (conceptual, logical, physical)
Data architecture and warehouse design
Performance tuning and optimisation
Data pipeline development and automation
System integration across environments

Key Responsibilities

Design, develop, and maintain complex SQL-based solutions across enterprise systems
Develop and optimise data models, ETL processes, and data flows
Build and support robust data integration solutions
Develop reporting and analytics solutions using BI tools
Create and maintain stored procedures, functions, triggers, and complex queries
Support data warehouse design, modelling, and performance optimisation
Collaborate with stakeholders to translate business requirements into technical solutions
Ensure data integrity, security, performance, and scalability
Troubleshoot and resolve complex system and data issues
Provide technical guidance and mentorship where required

If you have not heard from us by 20 April, please consider your application unsuccessful.

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