Full Description

We are seeking a QA Automation Engineer to join our team and help ensure the quality of our Card Systems - a suite of microservices that manage card lifecycle, transaction processing, and integrations with banking partners. Tech Stack

Backend

• Java 11/17/21, Spring Boot (2.7.x / 3.x)

• REST APIs (OpenAPI/Swagger)

• PostgreSQL, MySQL

• Apache Kafka / RabbitMQ (event-driven messaging)

• Docker, Kubernetes

• Prometheus, Grafana, ELK Stack (observability)

Integrations

• External financial APIs

• RESTful microservices communication

Frontend

• Flutter mobile application (iOS/Android)

Key Responsibilities

• Design, develop, and maintain automated test suites for backend microservices (API/integration tests)

• Create and execute API test automation using tools, e.g. Postman

• Implement database validation tests (PostgreSQL/MySQL)

• Develop end-to-end tests for critical business flows (card issuance, transactions, fee charging)

• Collaborate with developers to ensure testability and quality gates

• Support testing of event-driven flows (Kafka/message queues)

• This role combines backend API automation as the core focus with mobile manual testing responsibilities, and values candidates who can also bring automation skills to the Flutter mobile app.

• 3+ years of experience in QA Automation

• Experience with Java-based test frameworks (JUnit, TestNG, RestAssured)

• Proficiency in API testing and REST service validation

• Experience with SQL databases (PostgreSQL preferred)

• Familiarity with Docker and containerized testing environments

• Experience with CI/CD tools and test pipeline integration

• Understanding of microservices architecture

• Good analytical and troubleshooting skills

Nice to Have

• Experience with Kubernetes and cloud-native testing

• Familiarity with Kafka/message queue testing

• Performance testing experience (JMeter, Gatling)

• Mobile & Frontend Testing (Plus)

• Manual testing of Flutter mobile app is expected (functional, regression, exploratory)

• Experience with Flutter mobile automation (e.g., Flutter Driver, integration_test, Patrol, Appium with Flutter) is a significant plus

• Familiarity with mobile testing practices (device testing, emulators, BrowserStack/Sauce Labs)

• Web UI testing experience (Selenium, Playwright, Cypress) is a bonus

• Remote work from anywhere in the world

• Performance bonus, paid vacations and day-offs, personal development plan

Purpose: shape the future of fintech in Nigeria with products that reach millions, backed by a competitive salary

Growth: thrive in a fast paced work environment with flexibility, collaboration, and access to cutting-edge tools Join a diverse, inclusive team where all voices are valued, and professional growth is a priority.