Principal Mobile Engineer (POS Terminal)

Moniepoint Inc.; United States; Remote; USD 124,000 - 191,000; Full time

Benefits offered by this job

Culture & well-being

Learning & development

Compensation & benefits

Job summary

Moniepoint Inc. is seeking a Principal Mobile Engineer (POS Terminal) to lead design and architecture of POS terminal solutions. You will drive Android native development, EMV security, and hardware integration while shaping technical direction across mobile and embedded systems.

You will mentor engineers, participate in hiring, and collaborate with product teams to deliver secure, scalable payment solutions across diverse hardware platforms.

Qualifications

• 8+ years of experience in system design, architecture, and development in the POS terminal domain.
• Expertise in Android Native development (Java/Kotlin) for POS terminals.
• Strong knowledge of EMV security, encryption, and key management.
• Experience with hardware integration for POS devices.
• Understanding of payment processors and gateways architectures.
• Familiarity with QA principles in financial systems.
• Excellent problem-solving and communication skills.
• Leadership in mentoring engineers and driving process improvements.

Responsibilities

• Lead the design and architecture of POS terminal solutions for security, scalability, and integration.
• Create and maintain architectural documents and diagrams for POS systems.
• Make architectural decisions on POS software, EMV, and hardware compatibility.
• Lead development of POS-related applications and ensure code quality.
• Improve system performance and security around payments and EMV protocols.
• Collaborate with product/engineering in planning and alignment with goals.
• Conduct code reviews and enforce best practices for mobile and embedded systems.
• Provide mentorship and contribute to the broader technical vision.

Skills

Android Native development

EMV security protocols

Hardware integration

Payment systems architecture

Software QA principles

Leadership & mentoring

Technical communication

Job description

Principal Mobile Engineer (POS Terminal)

Remote, Spain

Who we are

Moniepoint Inc. is Africa’s all-in-one financial platform, helping 20 million businesses and individuals access seamless payments, banking, credit, cross-border, and business management tools each month.

As Nigeria’s largest merchant acquirer, we power most of the country’s point-of-sale (POS) transactions. Through our subsidiaries, Moniepoint Inc. processes over $250 billion in digital payment transaction value annually.

About the role

• 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 and diagrams for POS terminal systems, ensuring all platforms are well documented and up to date.
• Make architectural decisions on POS terminal software, integrating various payment technologies, EMV standards, and ensuring hardware compatibility.
• Lead the development of POS-related applications
• Optimize system performance and security, particularly around payment processing and EMV protocols.
• Participate in planning sessions with product and engineering teams to ensure solutions meet market needs and business goals.
• Conduct code reviews and ensure best practices for mobile and embedded systems development, especially for Android Native development.
• Define and enforce software engineering best practices across the POS and related teams to improve efficiency and developer productivity.
• Ensure the stability and reliability of POS terminal products and applications, monitoring system performance and troubleshooting as necessary.
• Provide technical mentorship to engineering teams, helping them grow their skills and contribute to the broader technical vision.
• Participate in the hiring process, screening engineers with expertise in POS systems, mobile, and embedded development.

To succeed in this role, we think you should have:

• At least 8years 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.

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,annual bonus, plus other benefits.

What to expect in the hiring process

• A preliminary phone call with one of our recruiters
• A Technical interview session with our Engineering Team
• A Technical and Behavioural Interview with our Head of Mobile Engineering
• A Behavioral and Technical interview with a member of the Executive team.

Moniepoint is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and candidates.