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Senior POS Mobile Engineer

Moniepoint MFB

Posted 3 months agoRemote, Lagos, Nigeria

Location

Remote, Lagos, Nigeria

Job Type

Full-time

Experience

Senior

Category

Engineering

Job Description

Who we are Moniepoint is an all-in-one financial services platform for emerging markets and the second-fastest growing company in Africa.Since 2019, Moniepoint’s technology has powered over 3 million people, offering personal and business banking, payment, credit and business management tools to help them succeed. Moniepoint processed $182 billion in 2023, and currently processes the majority of the POS transactions in Nigeria. Curious about what makes Moniepoint an incredible place to work? Check out posts on how we cultivate a culture of innovation, teamwork, and growth. As a Senior Mobile Engineer (POS Terminal), you will be responsible for building, optimizing, and maintaining high-performance Android-based POS applications used across large-scale transaction environments. You will work closely with Mobile Architects, Backend Engineers, Product Managers, and Hardware teams to deliver reliable, secure, and scalable POS features. This role requires strong hands-on Android expertise, deep understanding of payment flows, and experience integrating with POS hardware and EMV standards. You will own complex features end-to-end while contributing to system design discussions and ensuring engineering excellence across the codebase. What you’ll get to do Feature Development & Ownership Design, implement, and maintain Android-based POS terminal applications (Java/Kotlin). Feature Development & Ownership Design, implement, and maintain Android-based POS terminal applications (Java/Kotlin).
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Requirements

  • Minimum of 5+ years of experience in Android app development
  • Degree in Computer Science, Engineering or a related subject
  • Strong expertise in Android Native development (Kotlin/Java)
  • Experience building or maintaining POS terminal applications
  • Solid understanding of EMV standards and card-present transaction flows
  • Experience integrating payment SDKs and hardware peripherals
  • Familiarity with REST APIs, WebSockets, and background sync mechanisms
  • Experience with local storage solutions (Room, SQLite)
  • Strong debugging and performance optimization skills
  • Understanding of secure coding practices in financial systems
  • Experience working in fintech or high-transaction environments

Responsibilities

  • Design, implement, and maintain Android-based POS terminal applications (Java/Kotlin)
  • Own end-to-end development of key transaction flows (sales, refunds, reversals, settlement)
  • Collaborate with backend teams to integrate APIs and ensure reliable transaction synchronization
  • Implement offline-first capabilities and manage edge-case handling in low-connectivity environments
  • Integrate EMV chip, contactless (NFC), and card-present transaction flows
  • Work with encryption standards, key management processes, and secure payment SDKs
  • Integrate and maintain support for POS peripherals (card readers, pin pads, printers, scanners)
  • Work with OEM SDKs for Android-based POS terminals
  • Handle Bluetooth, USB, and embedded hardware communication layers
  • Write clean, maintainable, testable code following established architecture patterns
  • Mentor mid-level engineers and support onboarding of new team members
  • Participate in code reviews and contribute to improving CI/CD pipelines
  • Own end-to-end development of key transaction flows (sales, refunds, reversals, settlement).
  • Collaborate with backend teams to integrate APIs and ensure reliable transaction synchronization.
  • Implement offline-first capabilities and manage edge-case handling in low-connectivity environments.
  • Own end-to-end development of key transaction flows (sales, refunds, reversals, settlement).
  • Collaborate with backend teams to integrate APIs and ensure reliable transaction synchronization.
  • Implement

How to Apply

Apply through the Moniepoint careers page.

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