SENIOR POS MOBILE ENGINEER AT MONIEPOINT INCORPORATED | POS MOBILE ENGINEER JOBS IN LAGOS

About Company:

Moniepoint Incorporated is a global business payments and banking platform and recently became QED Investors’ first investment in Africa. We are the partner of choice for over 600,000 businesses of all sizes, powering the dreams of SMBs and providing them with equal access to the tools they need to grow and scale.

Job Description:

• 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.

Key Responsibilities
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.

Requirements:

• 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.
• Ability to work effectively in a fast-paced, high-ownership environment.
• Experience working in fintech or high-transaction environments.
• Exposure to cross-platform frameworks (e.g., Flutter).
• Experience working with Android-based embedded POS terminals.

Qualifications and Skills:

• 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 (Kotlin/Java).

Salary

Application Closing Date: Not specified

Application Instructions:

Click the button below to apply

What to expect in the hiring process

• A preliminary phone call with the recruiter
• A take-home test exercise
• A technical interview with a Lead in our Engineering Team
• A behavioural and technical interview with a member of the Executive team.