Senior QA Engineer at Labs by Semicolon

AI/ML Engineer


  • Job Title: Senior QA Engineer
  • Location: Fully Onsite at Yaba, Lagos
  • Company: Labs by Semicolon
  • Experience Required: Minimum 4 years
  • Work Environment: Chill, collaborative, product-led
  • Job Alerts: To receive Job Alerts on WhatsApp, Click HERE

About the Role

At Labs by Semicolon, we believe quality assurance begins at product discovery and continues through post-production. We’re seeking a Senior QA Engineer who is equally comfortable with manual and automated testing, and who can work closely with Product, Engineering, and Design teams to deliver exceptional software solutions.


Key Responsibilities

  • Collaborate early with Product Managers and Designers during product discovery to understand requirements and define testable outcomes.

  • Create, manage, and execute comprehensive test plans, test cases, and test scripts based on user stories and product requirements.

  • Perform manual testing for exploratory use cases and UI validation.

  • Execute automated tests using tools like Selenium and Postman for regression and API testing.

  • Report, track, and manage defects using tools like ClickUp, etc

  • Validate fixes through re-testing and regression testing.

  • Conduct post-deployment validation and monitor production releases for real-time issues.

  • Assist in building a test automation framework for long-term scalability.

  • Champion QA best practices across the SDLC within an Agile environment.

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Must-Have Qualifications

  • Minimum 4 years experience in software quality assurance, with a mix of manual and automation testing.

  • Proficiency in Java, Selenium WebDriver, Postman,Karate  and REST API testing.

  • Experience writing and executing test cases for web and backend systems.

  • Solid understanding of SDLC, Agile methodologies, and modern QA processes.

  • Ability to identify risks, edge cases, and prioritize testing efforts.

  • Experience with bug tracking systems like JIRA, ClickUp, or similar tools.

  • Strong communication, critical thinking, and collaborative skills.
  • Have an understanding of the future of testing with AI solutions to optimise delivery and outcomes

Nice to Have

  • Background or certification in Agile Testing.

  • Exposure to CI/CD pipelines and test integration.

  • Familiarity with performance or load testing tools is a plus.

Perks & Culture

  • Fully onsite role at our Yaba HQ – but with a chill and focused atmosphere.

  • Cross-functional collaboration with top engineers, product managers, and designers.

  • Real ownership of quality outcomes — not just a box-ticking QA job.

  • Opportunity to influence how QA is done across multiple products in Labs.


How to Apply:

Interested and qualified candidates should click on ‘Apply Here’ below.
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