About this role
Who we are
Moniepoint Inc. is Africa’s all-in-one financial platform, helping 20 million businesses and individuals access seamless payments, banking, credit, cross-border, and business management tools each month.
As Nigeria’s largest merchant acquirer, we power most of the country’s point-of-sale (POS) transactions. Through our subsidiaries, Moniepoint Inc. processes over $250 billion in digital payment transaction value annually.
About the role
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).
• 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.
• Payments & Security
• Integrate EMV chip, contactless (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 transaction-related issues in production
• Hardware Integration
• 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.
• Code Quality & Engineering Standards
• Write clean, maintainable, testable code following established architecture patterns.
• Participate in code reviews and provide constructive feedback.
• Contribute to improving CI/CD pipelines and release processes.
• Support debugging, monitoring, and performance optimization efforts.
• Collaboration & Mentorship
• Work cross-functionally with Product, QA, and Backend teams to deliver high-quality features.
• Mentor mid-level engineers and support onboarding of new team members.
• Participate in sprint planning, estimation, and technical discussions.
To succeed in this role, you should have
• 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 dev