Principal Mobile Engineer (POS Terminal)
Moniepoint3 days ago
Remote, PortugalStaff+
Responsibilities
- Lead the architecture and development of POS terminal solutions, ensuring security, scalability, performance, reliability, and hardware/payment-system integration.
- Create and maintain architectural documentation and diagrams for POS terminal systems across platforms.
- Make software architecture decisions involving payment technologies, EMV standards, hardware compatibility, payment processors, and gateways.
- Develop and maintain POS-related applications, including Android Native and mobile maintenance applications.
- Optimize payment processing and EMV performance and security, and monitor and troubleshoot system stability and reliability.
- Conduct code reviews and establish software engineering best practices for mobile and embedded systems teams.
- Mentor engineers, improve developer productivity and processes, and participate in hiring POS, mobile, and embedded engineering candidates.
Requirements
- At least 8 years of experience in system design, architecture, and development within the POS terminal domain.
- Strong Android Native development expertise using Java and Kotlin, including Android-based POS terminal solutions.
- Experience with cross-platform mobile development such as Flutter; familiarity with C and JavaScript POS platforms is a plus.
- Strong knowledge of EMV security protocols, chip-based transactions, encryption, and key management.
- Experience integrating POS hardware such as card readers, pin pads, printers, and other peripherals.
- Deep understanding of payment systems architecture and integration with payment processors and gateways.
- Knowledge of software quality assurance principles and their application in financial systems.
- Strong problem-solving, communication, leadership, mentoring, and process-improvement abilities.
Benefits
- Attractive salary, pension, health insurance, annual bonus, and other benefits.
- Learning and development environment with knowledge sharing, training, and regular internal technical talks.
- Inclusive culture that prioritizes employee well-being and values diverse perspectives.
- Hiring process includes a recruiter call, HackerRank take-home test, technical interviews, and technical and behavioral interviews.
Tech Stack
Categories
EmbeddedMobile
About Moniepoint
Moniepoint builds an all-in-one financial platform for African businesses and consumers, offering merchant payments, POS devices, digital banking, credit, cross-border, and business management tools. The company earns fees from payments and financial services and operates as a privately held firm. Founded in 2015 and headquartered in London, it is Nigeria’s largest merchant acquirer and processes over $250 billion in digital payment value annually.