Job Description
About the Role
We are seeking a Senior Data Engineer to build and scale the data infrastructure that underpins the entire APEX platform. Zenith – our data collection and aggregation layer – is the foundation everything else runs on. You will architect ETL/ELT pipelines that ingest structured and unstructured data from diverse sources across agriculture, mining, retail, and banking, transforming it into the intelligence layer that powers Quantum’s AI analytics, Prism’s visualisations, and Vector’s verification processes.
Key Responsibilities
- Design, build, and maintain the Zenith data aggregation layer, the core infrastructure of the APEX platform
- Develop scalable ETL/ELT pipelines to ingest data from APIs, databases, file systems, web scraping sources, and IoT devices
- Implement data quality checks, monitoring, and alerting to ensure accuracy, reliability, and consistency
- Optimise data storage, partitioning, and query performance for analytical and operational workloads
- Collaborate with ML engineers to prepare training datasets and serve model outputs through the data layer
- Design scalable data models supporting multi-tenant, multi-industry use cases
- Contribute to data governance, lineage tracking, and access control frameworks
- Mentor junior engineers and promote best practices in data engineering and pipeline design
Requirements
- 5+ years’ experience in Data Engineering or Data Platform development
- Strong proficiency in Python and SQL
- Experience building and operating large-scale ETL/ELT pipelines (Airflow, dbt, Spark, or similar)
- Strong understanding of data warehousing concepts and dimensional modelling
- Experience with cloud data platforms such as AWS (Redshift, Glue), Azure (Data Factory, Synapse), or GCP (BigQuery)
Qualifications
- Formal education/certifications not specified
Salary & Benefits
- Salary up to R1mil per annum, negotiable based on experience
How to Apply
Click the green “Go Apply” button below to apply directly online with the employer.
About Other IT/Computer Jobs in Gauteng
The IT and computer industry is one of the most dynamic and growing sectors in Gauteng, with a thriving job market that offers a wide range of opportunities for career advancement.
In terms of salary ranges, IT professionals in Gauteng can expect to earn anywhere from R800 000 per annum for junior positions to over R2 million for senior executives. The average salary for software engineers is around R1.5 million, while data analysts can earn between R900 000 and R1.2 million. With experience and skills, IT professionals in Gauteng can expect significant salary increases, with some roles offering bonuses and benefits that can increase their overall remuneration.
To succeed in the IT industry in Gauteng, candidates need to possess a range of key skills, including programming languages such as Java, Python, and C++, as well as experience with databases, cloud computing, and cybersecurity. Strong problem-solving skills, attention to detail, and excellent communication skills are also essential for success in this field. Additionally, knowledge of ITIL (Information Technology Infrastructure Library) and Agile methodologies can be highly valued by employers.
Several major companies and industries in Gauteng are currently hiring IT professionals, including technology firms such as Microsoft, IBM, and Oracle, as well as banks and financial institutions like Standard Bank and Nedbank. The finance industry is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Career growth opportunities are abundant in the IT industry in Gauteng, with many companies investing heavily in employee training and development programs. With experience and skills, IT professionals can move into senior leadership positions or start their own businesses, while also pursuing further education and certifications. The Johannesburg Stock Exchange (JSE) is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Overall, the IT industry in Gauteng offers a wide range of exciting career opportunities for job seekers with the right skills and experience. With salaries that are competitive with those offered by major companies globally, there has never been a better time to pursue a career in this dynamic and rapidly evolving field.
This information provides general career guidance. Actual salaries and requirements vary by employer.
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