• Application Deadline:
• Position: Senior POS Mobile Engineer



• Job Type Full Time , Remote



• Qualification BA/BSc/HND



• Experience 5 years



• Location Nigeria




• Job Field Engineering / Technical 
  
  

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 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.


• 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.

What We Can Offer You

• Culture - We put our people first and prioritize the well-being of every team member. We’ve built a company where all opinions carry weight and where all voices are heard. We value and respect each other and always look out for one another. Above all, we are human.


• Learning - We have a learning and development-focused environment with an emphasis on knowledge sharing, training, and regular internal technical talks.


• Compensation - You’ll receive an attractive salary, pension, health insurance, paid leave plus other benefits.