Data Warehouse Engineer - Hybrid/Remote, SQL & Python

Parvana

Johannesburg

Hybrid

ZAR 900.000 - 1.300.000

Vollzeit

Vor 4 Tagen

Sei unter den ersten Bewerbenden

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Zusammenfassung

Parvana, a data and analytics specialist, is hiring a Data Warehouse Engineer in Johannesburg. You will design, implement, and maintain scalable data warehouse architectures (Star/Snowflake), optimize ETL/ELT pipelines, and lead SDLC activities within an Agile/Scrum environment.

The role requires strong SQL (SQL Server, PostgreSQL), Python, and BI tooling (Power BI, Yellowfin). You will collaborate with stakeholders, develop dashboards, document data flows, and contribute to performance tuning

Qualifikationen

A relevant tertiary qualification is beneficial.
Strong knowledge of analytical and dimensional data warehouse modelling, design, and data structures.
Experience in developing ETL/ELT processes and performance tuning.

Aufgaben

Design, implement, and maintain scalable data warehouse architectures (Star/Snowflake).
Write and tune complex SQL and use Python for data manipulation and analytics.
Own the full SDLC: requirements, design, testing, deployment, and estimation.
Collaborate with stakeholders to translate business data needs into technical structures.
Identify and resolve performance bottlenecks through normalisation, indexing, and query optimisation.
Develop and maintain dashboards/reports using Power BI or Yellowfin.

Kenntnisse

SQL

Python

ETL/ELT

Data warehouse modelling

SDLC

Agile

Power BI

Yellowfin

Data visualization

Communication

Ausbildung

Bachelor's degree in Computer Science/IT/Data Science

Tools

SQL Server

PostgreSQL