Remote job · Engineering
Principal Mobile Engineer (POS Terminal)
In one line: Principal Mobile Engineer (POS Terminal) is a remote role in Poland at a large African financial platform.
- Remote (Poland)
- A large African financial platform
- Posted 16 Oct 2026
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https://keywordise.com/mcpApply to Keywordise job pwmjrl5nsdAbout the role
Lead the architecture of point-of-sale terminal solutions across platforms, ensuring security, scalability and reliability while shaping the technical direction of payment products and mentoring engineering teams.
At a glance
- PayNot stated in the posting
- Remote scopeRemote, Poland
- Posted16 Oct 2026
- Last checked18 Oct 2026
What you will do
- Lead design and architecture of POS terminal solutions, covering security, scalability, performance and hardware integration.
- Maintain architectural documents and diagrams so all platforms stay documented and current.
- Decide on terminal software architecture, integrating payment technologies, EMV standards and hardware compatibility.
- Optimize performance and security around payment processing and EMV protocols.
- Review code and enforce engineering best practices for mobile and embedded development.
- Mentor engineers, join hiring efforts and plan with product and engineering teams to meet market needs.
What they look for
- At least eight years in system design, architecture and development within the POS terminal domain.
- Strong Android Native expertise in Java or Kotlin and deep knowledge of Android-based POS terminals.
- Solid grasp of EMV security protocols, including chip transactions, encryption and key management.
- Experience integrating POS hardware such as card readers, pin pads and printers.
- Deep understanding of payment systems architecture.
Nice to have
- Cross-platform mobile development experience, such as Flutter.
- Familiarity with other POS application platforms such as C or JavaScript.
Questions about this job
Can I do this job remotely, and from which countries?
The posting lists it as remote for people in Poland.
What does this job pay?
The posting does not state a salary, so there is no figure to quote.
What experience is needed?
The posting asks for: at least eight years in system design, architecture and development within the POS terminal domain; strong Android Native expertise in Java or Kotlin and deep knowledge of Android-based POS terminals; solid grasp of EMV security protocols, including chip transactions, encryption and key management.
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