Principal Mobile Engineer (POS Terminal)

Moniepoint; Polska; Remote; PLN 320,000 - 540,000; Full time

Benefits offered by this job

Culture

Learning

Compensation

Job summary

Moniepoint Inc. in Poland is seeking a Principal Mobile Engineer focusing on POS terminals. You will lead design and architecture, ensure security, scalability, and seamless integration with hardware and payment systems.

You will mentor teams, drive best practices for Android native development, EMV security, and POS software quality, while collaborating with product and engineering to meet market needs.

Qualifications

• At least 8 years of experience in system design, architecture, and development in the POS terminal domain.
• Strong expertise in Android Native development (Java/Kotlin) for POS terminal solutions.
• Deep knowledge of EMV security protocols including chip transactions and key management.
• Experience with hardware integration for POS devices (card readers, pin pads, printers).
• Solid understanding of payment systems architecture and processor/gateway integration.
• Knowledge of software quality assurance principles in financial systems.
• Excellent problem-solving and ability to manage complex system interactions.
• Strong communication skills and ability to explain technical concepts to stakeholders.
• Leadership experience with mentoring engineers and improving processes.

Responsibilities

• Lead the design and architecture of POS terminal solutions with security, scalability, and integration in mind.
• Develop and maintain architectural documents and diagrams for POS systems.
• Make architectural decisions on POS software, integrating payment technologies and EMV.
• Lead the development of POS-related applications and optimize performance and security.
• Collaborate with product and engineering teams to meet market needs and business goals.
• Conduct code reviews and promote best practices for mobile and embedded Android development.
• Define and enforce software engineering practices across POS teams.
• Ensure stability and reliability of POS terminals and monitor system performance.
• Provide technical mentorship to engineering teams and participate in hiring.

Skills

Android Native

EMV

Hardware integration

Payment systems

Software QA

Leadership

Communication

Problem solving

System design

Job description

Principal Mobile Engineer (POS Terminal)

Remote, Poland

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.

Help Us Support Diversity at Moniepoint

At Moniepoint, we are committed to fostering a diverse and inclusive work environment. We do not discriminate based on gender identity, orientation, or other personal characteristics. To help us track and improve our recruitment efforts and ensure we are meeting our gender inclusion goals, we kindly ask you to answer the following demographic questions. Your responses are voluntary and will not affect your application in any way. Thank you for helping us build a more inclusive team