Android Engineer NFC and Hardware Authentication
First seen by Alion on Oct 12, 2026.
DI-Africa is seeking an experienced Android Engineer specializing in NFC and hardware authentication to join their remote team in Madagascar, contributing to a privacy-first information system.
MissionsBuild the hardware-key authentication experience of the Android client: YubiKey over NFC, lost-key and account-freeze flows, USB OTG support and transaction initiation screens, in close collaboration with UX.
Implement YubiKey 5 NFC WebAuthn authentication on Android.
Build the lost-key and account-freeze user journeys with the UX Designer.
Support USB OTG hardware keys as an alternative path.
Develop high-trust approval and initiation screens in TypeScript/React with the payments and UX teams.
Validate behaviour on real devices in the shared device lab with QA (hardware-in-the-loop).
Location: Based in Madagascar, working remotely from home.
Experience: Senior - 5 to 10 years of relevant professional experience.
- FIDO2 over NFC on Android. High-trust approval UX implementation. Hardware-in-the-loop development and testing. Kotlin, TypeScript/React. YubiKey 5 NFC, WebAuthn / FIDO2, USB OTG. Android device lab. Willingness to handle hardware: YubiKeys, HSMs, air-gapped machines, phone flashing.
- EN
- FR