Location
toronto, on, Canada
Posted
May 21, 2026
Job Description
Contract (1+ year, with high possibility of extension)
Must have
- Experience working with commercial grade mobile iOS and Android applications using native languages (Objective‑C / Swift, Xcode or Java with Android Studio).
- React Native.
- Experience with OpenID for Verifiable Credential Issuance (OID4VCI 1.0) and OpenID for Verifiable Presentations (OID4VP) ; ability to issue both SD‑JWT‑VC and ISO mdoc credentials per high‑assurance interop profiles.
- Knowledge with ISO/IEC 18013‑5 (mdoc/mDL) and 18013‑7 (online presentation); familiarity with 23220‑4 operational protocols is an asset.
- Experience with W3C verifiable credential data model , and decentralized identifiers (DIDs), X.509 certificates (RFC 5280), zero-knowledge proofs, SD-JWT, JWT, JSON-LD .
- Experience with JOSE/COSE, Oauth2 JWT/JWS , ECDSA/EdDSA ,