Mobile Architect (POS Terminal)
On-siteLagos, Lagos, Nigeria
Job Summary
Lead the design and architecture of POS terminal solutions, ensuring security, scalability, performance, and integration with various hardware and payment systems. Develop and maintain architectural documents while making decisions on software, integrating payment technologies and EMV standards. Optimize system performance for payment processing and conduct code reviews to enforce best practices across mobile and embedded teams. Provide technical mentorship, drive process improvements, and participate in hiring engineers with expertise in POS and mobile development. Ensure the stability of terminal products by monitoring performance and troubleshooting as necessary.
Required Qualifications
- At least 8 years of experience in system design, architecture, and development, specifically in the POS terminal domain
- Strong expertise in Android Native development (Java/Kotlin), with a deep understanding of Android-based POS terminal solutions
- Strong knowledge of EMV (Europay, Mastercard, and Visa) security protocols, including chip-based transactions, encryption, and key management
- Experience with hardware integration for POS devices, such as card readers, pin pads, printers, and other peripherals
- Deep understanding of payment systems architecture, including integration with payment processors and gateways
- Knowledge of software quality assurance principles and their application in financial systems
- Excellent problem-solving skills with an ability to manage complex system interactions and adapt to changing requirements
- Strong communication skills, capable of presenting complex technical concepts clearly to both technical and non-technical stakeholders
- Leadership abilities with a focus on mentoring engineers and driving process improvements within the team
Desired Qualifications
- Experience in cross-platform mobile development, such as Flutter, and familiarity with other POS application platforms (e.g., C, JavaScript) is a plus
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