Senior AWS Data Engineer: Build Scalable Data Lakes

Decision Inc.; Johannesburg; On-site; ZAR 850,000 - 1,250,000; Full time

Job summary

Decision Inc. seeks a Senior AWS Data Engineer to design, build, and maintain scalable data platforms using native AWS services. You will work on end-to-end data pipelines and cloud migrations, delivering robust, enterprise-scale solutions for analytics and AI/ML initiatives.

You will collaborate with experienced consultants across data engineering lifecycles, contribute to best practices, and grow through mentorship and continuous learning in a fast-paced, global practice.

Qualifications

• 5+ years of data engineering experience, including hands-on AWS delivery.
• Experience designing scalable data pipelines and analytics solutions.
• Strong knowledge of cloud architectures, security, and performance optimisation.
• Proficiency in Python, SQL, and Apache Spark (PySpark).

Responsibilities

• Design, build, and maintain scalable data pipelines.
• Build and optimise cloud-based data lakes and data processing solutions using native AWS services.
• Develop ETL/ELT processes to ingest, transform, and curate data from multiple source systems.
• Implement data quality, monitoring, and error-handling processes for reliable data delivery.
• Optimise data solutions for performance, security, and cost efficiency.
• Collaborate with architects, analysts, and business stakeholders to deliver data solutions.

Skills

Python

SQL

PySpark

ETL pipelines

Data governance

Data quality

CI/CD

IaC

Data modelling

Tools

S3

Glue

Lambda

Redshift

Athena

Lake Formation

Git

CI/CD tooling

Terraform

Job description

Decision Inc. seeks a Senior AWS Data Engineer to design, build, and maintain scalable data platforms using native AWS services. You will work on end-to-end data pipelines and cloud migrations, delivering robust, enterprise-scale solutions for analytics and AI/ML initiatives.

You will collaborate with experienced consultants across data engineering lifecycles, contribute to best practices, and grow through mentorship and continuous learning in a fast-paced, global practice.