Senior POS Mobile Engineer

🔥 2 hours ago

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Moniepoint Inc. (Formerly TeamApt Inc.)

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

💳 Fintech

🏦 Banking

Fintech • Banking • Payments

Moniepoint Inc. is Africa's all-in-one financial ecosystem that provides seamless solutions in payments, banking, credit, and business management for over 10 million businesses and individuals. Operating as Nigeria's largest merchant acquirer, Moniepoint powers the majority of Point of Sale (POS) transactions in the country. The company processes $17 billion monthly while ensuring profitable operations. With operations starting in 2019, Moniepoint continues to support businesses through its comprehensive financial services platform, making significant strides in financial inclusion across emerging markets.

📋 Description

• Design, implement, and maintain Android-based POS terminal applications using Java/Kotlin • Own end-to-end development of sales, refunds, reversals, and settlement transaction flows • Collaborate with backend teams to integrate APIs and ensure reliable transaction synchronization • Implement offline-first capabilities and handle edge cases in low-connectivity environments • Integrate EMV chip, NFC, and card-present transaction flows • Work with encryption standards, key management processes, and secure payment SDKs • Ensure compliance with payment security best practices • Troubleshoot and resolve production transaction issues • Integrate and maintain POS peripherals including card readers, pin pads, printers, and scanners • Work with OEM SDKs for Android-based POS terminals • Handle Bluetooth, USB, and embedded hardware communication layers • Write clean, maintainable, and testable code following established architecture patterns • Participate in code reviews and improve CI/CD pipelines and release processes • Support debugging, monitoring, and performance optimization • Collaborate with Product, QA, Backend, and other cross-functional teams • Mentor mid-level engineers and support onboarding of new team members • Participate in sprint planning, estimation, and technical discussions

🎯 Requirements

• Minimum of 5+ years of experience in Android app development • A degree in Computer Science, Engineering, or a related subject • Strong expertise in Android Native development with 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 synchronization mechanisms • Experience with local storage solutions such as Room and SQLite • Strong debugging and performance optimization skills • Understanding of secure coding practices in financial systems • Ability to work effectively in a fast-paced, high-ownership environment • Experience working in fintech or high-transaction environments • Exposure to cross-platform frameworks such as Flutter • Experience working with Android-based embedded POS terminals

🏖️ Benefits

• Attractive salary • Pension • Health insurance • Paid leave • Learning and development-focused environment • Knowledge sharing, training, and regular internal technical talks • People-first culture prioritizing employee well-being • Inclusive environment and equal-opportunity employment