Senior QA Engineer – Data Products (Geospatial)

Sabenza IT & Recruitment; Johannesburg; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading IT recruitment firm in Johannesburg is seeking a meticulous Senior QA Engineer specializing in data products to validate the integrity and performance of geospatial datasets. You will design and execute test plans, validate data accuracy, and collaborate closely with engineers and product owners to ensure high-quality insights. The ideal candidate has over 5 years of experience in QA for data-intensive products and strong knowledge of geospatial standards and tools.

Qualifications

• 5+ years of experience in QA for data-intensive products, preferably in geospatial or analytics domains.
• Strong knowledge of geospatial data formats, standards, and visualization tools.
• Experience with automated testing frameworks and performance testing tools.

Responsibilities

• Design, develop, and execute comprehensive test plans for geospatial data products and visualizations.
• Validate data accuracy, completeness, and consistency across multiple sources and formats.
• Identify, document, and track defects, ensuring timely resolution with engineering teams.

Skills

Geospatial data formats

SQL

Python

Automated testing

Performance testing tools

Problem-solving skills

Attention to detail

Communication skills

Education

Bachelor’s degree in Computer Science, Data Science, GIS, or related field

Job description

Overview

We are looking for a meticulous and experienced QA Engineer to ensure our products meet the highest standards of accuracy, performance, and reliability.

Role Overview: As a Senior QA Engineer for Data Products, you will be responsible for validating the integrity, completeness, and performance of geospatial datasets and visualizations. You will work closely with data engineers, product owners, and visualization developers to ensure our solutions consistently deliver precise and actionable insights.

Responsibilities

• Design, develop, and execute comprehensive test plans for geospatial data products and visualizations.
• Validate data accuracy, completeness, and consistency across multiple sources and formats.
• Assess performance and scalability of data pipelines and visualization platforms.
• Identify, document, and track defects, ensuring timely resolution with engineering teams.
• Collaborate with product owners and engineers to refine requirements and acceptance criteria.
• Advocate for quality best practices throughout the data product lifecycle.

Qualifications

• Bachelor’s degree in Computer Science, Data Science, GIS, or a related field.
• 5+ years of experience in QA for data-intensive products, preferably in geospatial or analytics domains.
• Strong knowledge of geospatial data formats, standards, and visualization tools.
• Proficiency in SQL, Python, or other scripting languages for data validation and automation.
• Experience with automated testing frameworks and performance testing tools.
• Excellent problem-solving skills, attention to detail, and a passion for high-quality data.
• Strong communication skills and ability to work collaboratively in cross-functional teams.