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Mobile App Developer

Koins Microfinance Bank Limited
Lagos, Victoria Island Posted Oct 2, 2026
On-site

About this role

Mobile App Developer

Job Type Contract Qualification BA/BSc/HND

Experience

  • Location Lagos
  • City Victoria Island
  • Job Field ICT / Computer

Job Summary

We are seeking a skilled Mobile Application Developer to design, develop, test, and maintain high-quality, responsive mobile applications across iOS and Android platforms. The role involves translating UI/UX designs into functional applications, integrating backend services and third-party solutions, optimizing application performance, and managing app releases. The successful candidate will work closely with Product, Design, Backend, and other technology teams to deliver reliable and user-friendly mobile experiences.

Key Job Responsibilities

  • Design, develop, and maintain responsive cross-platform mobile applications for iOS and Android.
  • Translate UI/UX designs and wireframes into high-quality, reusable, and scalable mobile code.
  • Integrate mobile applications with REST/GraphQL APIs, backend services, and third-party SDKs, including payment, push notification, and analytics solutions.
  • Optimize applications for performance, stability, security, accessibility, and compatibility across devices and operating system versions.
  • Conduct unit, integration, and end-to-end testing to ensure application quality and reliability.
  • Identify, troubleshoot, and resolve bugs, crashes, performance issues, and UI defects.
  • Manage application builds, testing, deployment, and releases to the Apple App Store and Google Play Store.
  • Collaborate with Product, UI/UX, Backend, and other technology teams to deliver features from development through deployment.
  • Participate in code reviews and ensure adherence to coding standards, best practices, and development guidelines.
  • Maintain clear and up-to-date technical documentation for application features, components, and processes.
  • Monitor application performance and user feedback, and implement improvements to enhance user experience and app stability.
  • Contribute to sprint planning and ensure assigned features are delivered within agreed timelines and quality standards.

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