Design and build modular, high-performance Android applications in Kotlin using Clean Architecture and Jetpack components.
Implement and optimize native integrations with device SDKs for EMV, NFC/contactless, magstripe, PSAM, printer, and barcode scanner modules.
Integrate POS applications with cloud payment APIs, transaction services, and real-time messaging layers (WebSocket / MQTT).
Collaborate with backend teams to design secure, scalable APIs for payment and device telemetry.
Mentor junior developers, contributing to a culture of security and technical excellence.

Requirements

5+ years of professional Android development (Kotlin / Java), with 2+ years focused on payment or embedded POS systems.
Strong experience with Android system internals, AIDL / Binder IPC, and hardware SDK integration.
Proven expertise with secure payment SDKs, EMV flows, tokenisation, and acquirer integrations.
In-depth understanding of cryptography, TLS/SSL, and secure key handling in Android environments.
Familiarity with CI/CD, code signing, and secure distribution pipelines.
Comfortable working in regulated environments (PCI DSS / ISO 27001).

Benefits

100% remote-first work culture with flexible hours.
Opportunity to shape next-generation Android payment ecosystems across diverse POS hardware.
Exposure to secure transaction systems, fintech infrastructure, and hardware certification processes.
Competitive salary.
Supportive, innovation-driven team environment focused on secure, scalable financial technology.

Applicant Tracking System Keywords

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

Hard Skills & Tools

KotlinJavaAndroid developmentClean ArchitectureJetpack componentsAIDLBinder IPCcryptographyTLSCI/CD

Soft Skills

mentoringcollaborationtechnical excellence

Certifications

PCI DSSISO 27001