
Principal Mobile Engineer (POS Terminal)
Moniepoint3 days ago
Remote, PolandStaff+
Responsibilities
- Lead the design and architecture of POS terminal solutions across platforms, including security, scalability, performance, and hardware and payment-system integration.
- Develop and maintain architectural documentation and diagrams for POS terminal systems.
- Make architectural decisions involving payment technologies, EMV standards, hardware compatibility, and payment processing.
- Lead development of POS-related applications, including Android Native and mobile applications for repair scheduling and maintenance.
- Optimize payment-processing performance and security and ensure POS product stability and reliability.
- Conduct code reviews and enforce software engineering best practices for mobile and embedded systems development.
- Collaborate with product and engineering teams to align technical solutions with market and business goals.
- Mentor engineers, improve team processes and developer productivity, and participate in hiring POS, mobile, and embedded engineers.
Requirements
- At least 8 years of experience in system design, architecture, and development in the POS terminal domain.
- Strong Android Native development expertise using Java or Kotlin, including Android-based POS terminal solutions.
- Experience with cross-platform mobile development such as Flutter and familiarity with C and JavaScript for POS application platforms.
- 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 integrations 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-focused environment with knowledge sharing, training, and regular internal technical talks.
- Inclusive culture that prioritizes employee well-being and values team members’ opinions.
- Hiring process includes a recruiter call, HackerRank take-home test, technical and behavioral interviews, and executive 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.