Senior QA Engineer

Recruiter:

Select One

Job Ref:

JHB000416/B

Date posted:

Friday, November 14, 2025

Location:

Johannesburg, South Africa

SUMMARY:
A company that provides an automated, technology-driven corporate ridesharing and transport solution that optimizes employee commutes for businesses is looking for a Senior QA Engineer to join their dynamic team.

The successful candidate should come with strong experience in test automation and a focus on ensuring the quality and reliability of their mobile apps (React Native, iOS, Android, Harmony OS) and backend services (Rails, REST APIs, Sidekiq, PostgreSQL, Heroku/Digital Ocean).

POSITION INFO:
As part of an Agile Scrum team, you will work closely with developers, product managers and DevOps to integrate quality into every stage of the development process. As their team grows, you will also play a key role in supporting and guiding junior QA engineers.

Required Qualifications

5+ years in QA engineering, with strong experience in test automation.
Expertise in React Native, iOS, Android and Harmony OS mobile app testing.
Experience with API testing (e.g., Postman, REST Assured) and a solid understanding of integration testing.
Proficiency in JavaScript/TypeScript, Ruby, or Python for automation scripting.
Strong debugging and problem-solving skills with the ability to analyze complex issues across distributed systems.
Ability to work effectively within a team and share knowledge with colleagues as needed.

Some Key Responsibilities:

Design, develop and maintain automated test frameworks for mobile apps (React Native, iOS, Android, Harmony OS) and backend services (Rails, REST APIs).
Build and extend test coverage for UI, API and mobile app workflows, ensuring strong automation for reliable releases.
Integrate automated tests into CI/CD pipelines (GitHub Actions, Firebase Test Lab) to ensure efficient, repeatable testing.
Explore and implement new testing tools and practices to improve automation and streamline testing processes.
Perform automated and exploratory testing across mobile and backend systems, ensuring product stability, performance and scalability.
Work closely with developers to ensure comprehensive test coverage for new features and functional requirements.
Validate third-party service integrations like Twilio, SendGrid, Huawei Push Kit and Google APIs.
Track, document, prioritize and reproduce defects, ensuring timely resolution.

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