Principal Mobile Engineer – POS Terminal

• Lead the design and architecture of POS terminal solutions, ensuring security, scalability, performance, and integration with hardware and payment systems
• Develop and maintain architectural documents and diagrams for POS terminal systems across platforms
• Make architectural decisions involving payment technologies, EMV standards, and hardware compatibility
• Lead development of POS-related applications
• Optimize performance and security around payment processing and EMV protocols
• Participate in planning with product and engineering teams to align solutions with market needs and business goals
• Conduct code reviews and promote best practices for mobile and embedded systems, especially Android Native development
• Define and enforce software engineering best practices across POS and related teams
• Ensure stability and reliability of POS products and applications through monitoring and troubleshooting
• Mentor engineering teams and support their technical growth
• Participate in hiring engineers with POS, mobile, and embedded development expertise

• At least 8 years of experience in system design, architecture, and development, specifically in the POS terminal domain
• Strong expertise in Android Native development using Java/Kotlin
• Deep understanding of Android-based POS terminal solutions
• Experience in cross-platform mobile development, such as Flutter
• Familiarity with C and JavaScript for POS application platforms is a plus
• Strong knowledge of EMV security protocols, including chip-based transactions, encryption, and key management
• Experience integrating hardware for POS devices, including card readers, pin pads, printers, and other peripherals
• Deep understanding of payment systems architecture, including payment processor and gateway integration
• Knowledge of software quality assurance principles and their application in financial systems
• Ability to manage complex system interactions and adapt to changing requirements
• Strong communication skills for presenting complex technical concepts to technical and non-technical stakeholders
• Leadership abilities focused on mentoring engineers and driving process improvements

• Culture prioritizing employee well-being, inclusion, respect, and having all voices heard
• Learning and development-focused environment
• Knowledge sharing and training
• Regular internal technical talks
• Attractive salary
• Pension
• Health insurance
• Annual bonus
• Other benefits