AWS Data Engineer

Recruiter:

wePlace

Job Ref:

JHB000808/AS

Date posted:

Thursday, August 28, 2025

Location:

Pretoria, South Africa

SUMMARY:
Our client, an award-winning MedTech, is looking for a AWS Data Engineer to design and maintain scalable data architectures using AWS services.

POSITION INFO:

Job Purpose:

Responsible for creating and managing the technological part of data infrastructure in every step of data flow. From configuring data sources to integrating analytical tools — all these systems would be architected, built and managed by a general-role Data Engineer.

Minimum education (essential):

Bachelor’s degree in Computer Science or Engineering (or similar)

Minimum education (desirable):

Honors degree in Computer Science or Engineering (or similar)
AWS Certified Data Engineer; or
AWS Certified Solutions Architect; or
AWS Certified Data Analyst

Minimum applicable experience (years):

5+ years working experience

Required nature of experience:

Data Engineering development
Experience with AWS services used for data warehousing, computing and transformations i.e. AWS Glue (crawlers, jobs, triggers, and catalog), AWS S3, AWS Lambda, AWS Step Functions, AWS Athena and AWS CloudWatch
Experience with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, DynamoDB)
Experience with SQL for querying and transformation of data

Skills and Knowledge (essential):

Strong skills in Python (especially PySpark for AWS Glue)
Strong knowledge of data modelling, schema design and database optimization
Proficiency with AWS and infrastructure as code

Skills and Knowledge (desirable):

Knowledge of SQL, Python, AWS serverless microservices,
Deploying and managing ML models in production
Version control (Git), unit testing and agile methodologies

Data Architecture and Management 20%

Design and maintain scalable data architectures using AWS services for example, but not limited to, AWS S3, AWS Glue and AWS Athena.
Implement data partitioning and cataloging strategies to enhance data organization and accessibility.
Work with schema evolution and versioning to ensure data consistency.
Develop and manage metadata repositories and data dictionaries.
Assist and support with defining setup and maintenance of data access roles and privileges.

Pipeline Development and ETL 30%

Design, develop and optimize scalable ETL pipelines using batch and real-time processing frameworks (using AWS Glue and PySpark).
Implement data extraction, transformation and loading processes from various structured and unstructured sources.
Optimize ETL jobs for performance, cost efficiency and scalability.
Develop and integrate APIs to ingest and export data between various source and target systems, ensuring seamless ETL workflows.
Enable scalable deployment of ML models by integrating data pipelines with ML workflows.

Automation, Monitoring and Optimization 30%

Automate data workflows and ensure they are fault tolerant and optimized.
Implement logging, monitoring and alerting for data pipelines.
Optimize ETL job performance by tuning configurations and analyzing resource usage.
Optimize data storage solutions for performance, cost and scalability.
Ensure the optimisation of AWS resources for scalability for data ingestion and outputs.
Deploy machine learning models into productions using cloud-based services like AWS SageMaker.

Security, Compliance and Best Practices 10%

Ensure API security, authentication and access control best practices.
Implement data encryption, access control and compliance with GDPR, HIPAA, SOC2 etc.
Establish data governance policies, including access control and security best practices.

Development Team Mentorship and Collaboration 5%

Work closely with data scientists, analysts and business teams to understand data needs.
Collaborate with backend teams to integrate data pipelines into CI/CD.
Assist with developmental leadership to the team through coaching, code reviews and mentorship.
Ensure technological alignment with B2C division strategy supporting overarching strategy and vision.
Identify and encourage areas for growth and improvement within the team.

QMS and Compliance 5%

Document data processes, transformations and architectural decisions.
Maintain high standards of software quality within the team by adhering to good processes, practices and habits, including compliance to QMS system, and data and system security requirements.
Ensure compliance to the established processes and standards for the development lifecycle, including but not limited to data archival.
Drive compliance to the Quality Management System in line with the Quality Objectives, Quality Manual, and all processes related to the design, development and implementation of software related to medical devices.
Comply to ISO, CE, FDA (and other) standards and requirements as is applicable to assigned products.
Safeguard confidential information and data.

Should you not receive a response from us within one week of your application, your application has unfortunately not been successful.

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AWS Data Engineer

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