Android Engineer

Co-operative Bank of Kenya is a financial institution founded in 1965, offering banking and financial services.

We have exciting opportunities for Mobile Engineers within our Youth Financial Services. Reporting to the Technical Lead – Youth Financial Services Division, the role holder will design, develop, and maintain robust user facing applications across mobile devices and related touchpoints. The Engineer will operate within an agile squad, uphold engineering and quality standards, and contribute to the continuous improvement of our digital products. The role holder will design, develop, test, and maintain high quality and bug free Android applications. You will work in an agile squad, uphold engineering standards, support continuous improvement, and ensure delivery of stable, customer-centric digital solutions.

1. Develop, test and maintain Android applications using Kotlin, Java, and Android SDK.
2. Translate UI/UX designs into responsive, production-ready mobile interfaces.
3. Integrate applications with backend services using REST APIs and modern integration patterns.
4. Write clean, testable, well-documented code following SOLID principles and industry standards.
5. Conduct code reviews and enforce quality, security, and performance best practices.
6. Troubleshoot, debug, and resolve performance bottlenecks and crashes.
7. Implement unit, integration, and UI tests using modern Android testing frameworks.
8. Optimize application performance, memory usage, offline capabilities, and battery consumption.
9. Manage app releases through Google Play Console including rollout, testing, and monitoring.
10. Stay current with the Android ecosystem, libraries, and emerging technologies.
11. Collaborate with product managers, designers, QA, and backend teams throughout the development lifecycle.
12. Maintain updated technical documentation and support continuous improvement in engineering practices.

1. Bachelor’s degree in Computer Science, IT, or a related field.
2. Minimum 3 years of practical Android development experience.
3. Deep expertise in Kotlin, Java, Android Studio, and Android SDK.
4. Strong knowledge of Jetpack components, Retrofit, Room, Dagger/Hilt, Coroutines, and Material Design.
5. Experience with Gradle, Firebase Cloud Messaging, push notifications, and app analytics.
6. Solid understanding of MVP, MVVM, and Clean Architecture.
7. Hands-on experience with testing frameworks such as JUnit, Espresso, and Mockito.
8. Proven experience integrating apps with RESTful services.
9. Strong grasp of security best practices for mobile apps.
10. Experience with Git, CI/CD pipelines, and DevSecOps-aligned workflows.
11. Previous experience publishing at least one Android app is an added advantage.
12. Demonstrable experience of working in agile development environments.
13. The ability to communicate effectively and articulate complex concepts to both technical and non-technical audiences is essential.