Senior Android Engineer – Wallet 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.

• 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.

• 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.