Principal Mobile Engineer – POS Terminal

Moniepoint Inc. (Formerly TeamApt Inc.)

. Lead the design and architecture of POS terminal solutions, ensuring security, scalability, performance, and integration with hardware and payment systems .

Posted 10/16/2026full-timeRemote • PortugalLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in system design and architecture for POS terminal solutions, with a strong focus on Android Native development, EMV security protocols, and hardware integration. Capable of leading engineering teams, optimizing system performance, and ensuring software quality in financial systems.

Highest-signal resume keywords

Android Native DevelopmentEMV Security ProtocolsSystem Design and ArchitectureHardware Integration for POS DevicesTechnical Mentorship

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

System DesignArchitectureAndroid Native DevelopmentCross-Platform Mobile DevelopmentEMV StandardsPayment Systems ArchitectureSoftware Quality AssurancePerformance OptimizationCode ReviewsTroubleshooting

Soft Skills

Problem-SolvingCommunicationLeadershipMentoringCollaboration

Tools & Technologies

JavaKotlinFlutterCJavaScriptCard ReadersPin PadsPrintersPayment ProcessorsPayment Gateways

Industry Keywords

POS Terminal SolutionsPayment ProcessingEmbedded SystemsMobile DevelopmentFinancial Systems

Tech Stack

Tools & technologies

AndroidFlutterJavaJavaScriptKotlin

About the role

Key responsibilities & impact

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
Make architectural decisions on POS terminal software, integrating payment technologies, EMV standards, and hardware compatibility
Lead the development of POS-related applications
Optimize system performance and security around payment processing and EMV protocols
Participate in planning sessions with product and engineering teams
Conduct code reviews and ensure best practices for mobile and embedded systems development, especially Android Native development
Define and enforce software engineering best practices across POS and related teams
Ensure stability and reliability of POS terminal products and applications, monitoring performance and troubleshooting as necessary
Provide technical mentorship to engineering teams
Participate in hiring engineers with expertise in POS, mobile, and embedded development

Requirements

What you’ll need

At least 8 years 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
Experience in cross-platform mobile development, such as Flutter
Familiarity with other POS application platforms (e.g., C, JavaScript) is a plus
Strong knowledge of EMV 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

Benefits

Comp & perks

Attractive salary
Pension
Health insurance
Annual bonus
Learning and development-focused environment
Knowledge sharing and training
Regular internal technical talks