Senior Architect, Trust Registry & Decentralised Identity

Ditto; Barcelona; Híbrido; EUR 120.000 - 180.000; Jornada completa

Descripción de la vacante

Ditto is scaling its Barcelona headquarters to build a decentralised identity platform that combines zero-knowledge proofs with verifiable credentials. We are hiring a Principal Architect to design a trusted infrastructure spanning DID, credential issuance, and cross-border trust.

You will lead cross-functional collaboration across Ditto Verify, Authenticate, and Protect, and drive deployment-ready architecture with post-quantum considerations and AI/LLM integration.

Formación

• 10+ years in digital identity, cryptography, or trust infrastructure architecture.
• Hands-on production experience with Verifiable Credentials and OID4VC* standards.
• Experience designing trust registries, PKI hierarchies, DID systems, or trust lists at scale.
• Strong knowledge of identity standards (W3C VC, SD-JWT VC, ISO mDL, OpenID Federation, eIDAS 2.0).
• Experience integrating AI/LLM systems into production environments.
• Excellent written and verbal communication in English.

Responsabilidades

• Lead the architecture behind: trust registries and DID infrastructure.
• Design credential issuance and verification services.
• Oversee OID4VCI / OID4VP flows and cross-border credential trust.
• Shape holder-binding, attestation services, and credential lifecycle infra.
• Collaborate across Ditto Verify, Authenticate, and Protect platforms.

Conocimientos

Digital identity

Cryptography

Verifiable Credentials

OID4VCI

DID systems

PKI architectures

OpenID Federation

W3C VC

AI/LLM integration

English proficiency

Descripción del empleo

Ditto is scaling its Barcelona headquarters to build a decentralised identity platform that combines zero-knowledge proofs with verifiable credentials. We are hiring a Principal Architect to design a trusted infrastructure spanning DID, credential issuance, and cross-border trust.

You will lead cross-functional collaboration across Ditto Verify, Authenticate, and Protect, and drive deployment-ready architecture with post-quantum considerations and AI/LLM integration.