RQ10456 - Software Developer - Mobile - Senior, Toronto

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 ,

ECC/RSA ,

TLS ,

PKI ,

device‑bound keys

for holder binding (e.g.,

SD‑JWT+KB (key binding)

and

mdoc transaction signing ).

Ensure compliance with global digital identity standards and/or specifications such as

W3C Verifiable Credentials ,

IETF, OIDF ,

PCTF ,

NIST , and

eIDAS(ARF) .

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