Senior Quality Assurance Engineer

Recruiter:

Network Recruitment

Job Ref:

BIT004824/Mel

Date posted:

Monday, September 1, 2025

Location:

Johannesburg, South Africa

Salary:

65000 Monthly

SUMMARY:
An established and innovative player in the mining technology space is seeking a Senior QA Engineer to drive the design, implementation, and scaling of its quality assurance function. This is a rare opportunity to build a QA practice from the ground up—initially focusing on manual testing, and evolving into a full automation strategy across a sophisticated tech stack. You’ll be working with a platform hosted on AWS Cloud and backed by SQL Server, powering desktop (Electron), mobile (React Native), and web (React) applications.

POSITION INFO:
Key Responsibilities:

Manual Testing & Test Case Development:
- Perform thorough manual testing across desktop, mobile, and web applications.
- Develop and maintain detailed test cases, test plans, and acceptance criteria.
- Validate configuration-heavy workflows tailored to multiple client environments.
Automation Strategy & Implementation:
- Architect and implement a scalable automation testing framework.
- Utilize tools like Playwright, Appium, Selenium, Detox, WinAppDriver, and others.
- Apply mocking/stubbing techniques for hardware-interfacing components to enable automation.
Multi-Environment QA Setup:
- Set up and maintain QA, SIT, and UAT environments to support staged deployments.
- Collaborate with DevOps on CI/CD integration (e.g., GitHub Actions, and Jenkins).
- Establish a formal release verification and sign-off process.
Hardware & IoT Integration Testing:
- Design and execute test plans for IoT and hardware-related systems.
- Simulate hardware environments where physical access is limited.
- Validate real-world performance, accuracy, and the reliability of hardware-software integrations.
Defect Tracking & Process Improvement:
- Log, prioritise, and track bugs using tools like GitHub.
- Measure and report on test effectiveness and software quality metrics.
- Continuously improve QA processes using Agile and DevOps-aligned best practices.

Requirements / Must-Have (Non-Negotiable):

5+ years in software testing (manual & automation).
Strong experience across desktop, mobile, and web platforms.
Proven ability to implement and scale test automation frameworks.
Hands-on experience with automation tools (e.g., Playwright, Appium, and Selenium).
Familiarity with QA, SIT, and UAT environment setups.
Exposure to CI/CD pipelines and version control (GitHub, Bitbucket, etc.).
Ability to mock/stub hardware interfaces.
Solid grasp of API testing, test data management, and performance/security testing basics.

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