Senior Quality Assurance Engineer at LemFi (Formerly Lemonade Finance)

LemFi (YC S21) is building the neobank for African diaspora in North America & Europe. We provide our users with a multi-currency account that allows them to hold, send, and receive money from Africa in any currency for their business and personal banking needs. We are a fast-paced startup with entities in the UK, USA, Canada and Nigeria and you would be required to familiarize yourself with necessary statutory and regulatory requirements in these locations.

We are recruiting to fill the position below:

Job Title: Senior Quality Assurance Engineer

Location: Lagos
Employment Type: Full time
Work mode: Hybrid
Department: Technology

The Role

• We are looking for a Senior QA Engineer to ensure the quality and reliability of our cross-border payment solutions. You will work closely with development teams to test both our mobile applications (iOS/Android) and backend APIs through a mix of manual and automated testing.
• This is a hands-on role with significant technical breadth. You will improve automated coverage, validate new features, and help maintain confidence in releases across a complex financial ecosystem with deep integrations and high demands for performance and accuracy.

Responsibilities
How You’ll Contribute:

• Develop Automated Tests: Design, implement, and maintain automated tests for backend APIs, mobile apps, and integrations.
• Build Maintainable Frameworks: Create modular test components within our Java/Cucumber/Rest Assured/Appium/Guice stack.
• Partner with Engineering: Collaborate with developers and product teams to ensure clear acceptance criteria and testability.
• Validate Complex Integrations: Work with mock services, partner APIs, and distributed systems to verify behaviour and data flows.
• Improve Pipelines: Participate in code reviews, CI/CD enhancements, and continuous test execution.
• Use AI Tools: Leverage GPT/Gemini APIs for automation workflows, data generation, and test analysis.
• Evolve QA Practices: Contribute ideas to elevate QA infrastructure and strengthen automation as an engineering discipline.

Who You Are:

• Quality-Driven: You care deeply about building reliable systems and ensuring confidence in releases.
• Technically Curious: You enjoy understanding systems end-to-end and solving challenging engineering problems.
• Collaborative: You work effectively with developers, product managers, and cross-functional partners.
• Structured & Detail-Oriented: You think clearly, document well, and test thoroughly.
• Proactive: You take ownership and continuously look for ways to improve quality and automation.

Requirements
What You’ll Bring:

• Experience with CI/CD pipelines such as GitHub Actions and test reporting tools like Allure.
• Strong background in QA with a focus on automation, ideally using Java.
• Solid understanding of REST APIs, backend testing, and mobile testing (Appium experience is a plus).
• Knowledge of OOP, dependency injection (e.g., Guice or Spring), and test design patterns.
• Ability to troubleshoot complex systems and approach testing with an engineering mindset.
• Strong communication skills in English, both written and spoken.

Application Closing Date
21st February, 2026; at 01:00 WAT

How to Apply
Interested and qualified candidates should:
Click here to apply online

The Interview Process

• Chat with a Talent Partner (30 mins)
• Behaviours & Culture Interview (45 mins)
• Technical Assignment (60 mins presentation)
• Final Interview (30 mins)