Senior Android Engineer – Wallet, Payments & Proximity Systems

We are looking for a highly skilled Android Engineer with strong hands-on experience in building secure, scalable mobile solutions across digital wallets, payments, location-based services, and proximity interaction technologies. The role involves working on advanced Android capabilities including NFC, UWB, BLE, and real-time location systems to deliver seamless and secure user experiences.

Key Responsibilities

• Implement and integrate Google Wallet features including passes, offers, loyalty cards, transit passes, and identity flows.
• Develop Google Pay payment flows, including tokenization, merchant validation, secure transactions, error handling, and reconciliation.
• Integrate payment gateways and ensure secure payment processing aligned with compliance standards (e.g., PCI).
• Build location-based features using Google Maps SDK and Location Services APIs.
• Implement geofencing, background location tracking, fused location optimization, and real-time map visualizations (markers, clustering, routes).
• Develop proximity-based experiences using Android UWB APIs, including secure peer discovery, ranging, and spatial interactions.
• Implement NFC features using HCE and Reader/Writer mode, including NDEF read/write and secure tag interactions.
• Develop modular Android applications using Kotlin, following MVVM/Clean Architecture principles.
• Build reusable components with focus on performance, security, accessibility, and reliability.
• Work with BLE, analytics, crash reporting, CI/CD pipelines, and app optimization.

Required Skills & Experience

• Strong experience in Android development using Kotlin.
• Hands-on experience with payments, wallet systems, or fintech applications.
• Knowledge of NFC (HCE, Reader/Writer modes) and/or UWB technologies.
• Experience with location-based services (GPS, geofencing, Maps SDK).
• Familiarity with BLE and proximity-based communication.
• Understanding of secure mobile architecture and payment tokenization.

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