Senior Tester

Accredited Resource Consulting Services (Pty) Ltd; Centurion; Hybrid; ZAR 720,000 - 880,000; Full time

Job summary

Accredited Resource Consulting Services (Pty) Ltd in Centurion seeks a DATA TESTER for a permanent hybrid role. Responsible for end-to-end manual and automated testing of business solutions, ensuring functionality, performance and integration with legacy and external systems.

Ideal candidates have 8+ years overall experience, 5+ years in BI/data testing, and strong SQL, Python/Java, and automation testing skills (Selenium or Cypress preferred). AWS exposure is a plus.

Qualifications

• BSc/Diploma and extensive BI/data testing knowledge are required.
• Expertise in SQL-based data validation and ETL testing.
• Experience in Agile software development environments.
• Strong MS Office proficiency and dashboard testing experience.
• Certifications in automated testing (Selenium or Cypress preferred).

Responsibilities

• End-to-end manual and automated testing of business solutions.
• Validate functionality, performance, reliability, stability, and compatibility.
• Ensure proper integration with legacy and external systems.

Skills

BI and data testing

Agile experience

Data testing

ETL testing concepts

Automation testing

Scripting basics

MS Office expertise

AI-assisted testing awareness

Education

BSc Computer Science/Statistics

BSc/BA Information Systems or Informatics

Diploma in Information Technology

Tools

SQL

Python

Java

AWS

Selenium

Cypress

Informatica/DataStage

ETL testing

Job description

Our esteemed client in Centurion has a permanent hybrid position available for a DATA TESTER.

Salary: R800K CTC per annum

The successful candidate will be responsible for end-to-end manual and automated testing of business solutions. The solutions must be tested in terms of functionality, performance, reliability, stability, compatibility, and integration with other legacy and/or external systems.

Experience, knowledge and qualifications:

• Bachelor of Science: Computer Science or Statistics, or
• Bachelor of Science/Commerce: Information Systems or Informatics or
• Minimum: Diploma in Information Technology.
• Overall work experience: 8+ years
• 5+ years in BI and/or data analysis and testing

Technical skills:

• Commercial/Cloud technology: AWS
• Data querying tools/languages: SQL
• Understanding of data mesh frameworks
• Intermediate understanding of analytics coding languages: Python, Java
• Understanding of Data Integrity validation and data testing methodologies.
• Must have very strong knowledge and extensive experience in MS office.
• Must have experience in an Agile work environment.
• Expert integration testing skills
• Automated and/or manual testing certifications (e.g. Selenium or Cypress (Preferred)
• Exposure to AI-assisted software testing and quality engineering tools.
• Create effective ETL test cases and scenarios based on ETL database loading technology and business requirements.
• Create effective dashboard/data visualization test cases and scenarios based on business requirements.
• Perform SQL queries, stored procedures, and test scripting to delete, define, load, and merge data for tests.
• Ensure that test cases are aligned with business data and metadata (data sources, data tables, data dictionary, business terminology).
• Demonstrate an understanding of data models, data mapping documents, ETL design, and ETL coding by using these resources to inform test cases.
• Troubleshooting of ETL (e.g., Informatica/DataStage) sessions, workflows, and logs
• Implementation of automated testing for ETL processes.