Principal Architect - Intelligence & Shared Signals

Ready to help define the future of continuous trust? Ditto is a fast-growing B2B SaaS company redefining how regulated industries establish digital trust. Our privacy-first identity platform, built on Zero-Knowledge Proof technology, powers secure and compliant customer interactions across banking, fintech, crypto, travel, and gaming.

Trusted by organisations including Temenos , LTIMindtree , and Infosys Finacle , we are scaling globally from our Barcelona headquarters and building the next generation of AI-native trust infrastructure. We are looking for a Principal Architect to lead the design of Ditto’s Intelligence & Shared Signals platform — the continuous trust layer powering adaptive identity assurance, behavioural intelligence, federated risk decisioning, and AI-agent trust.

This is a rare opportunity to architect foundational platform technology at the intersection of identity, security, AI, behavioural intelligence, and post-quantum cryptography. You will lead the architecture behind: continuous trust decisioning shared signals and federation (CAEP/RISC/SET) streaming pipelines and feature stores behavioural intelligence systems Identity Assurance Graphs AI-agent and workload identity evaluation You’ll work across Ditto Verify, Authenticate, and Protect, combining identity, authentication, behavioural telemetry, device intelligence, and cryptographic assurance into a unified trust platform.

We’re looking for someone with: 10+ years in security, identity, fraud, risk, or trust architecture deep experience with real-time event-driven and streaming systems strong data-engineering and feature-engineering expertise experience building adaptive trust, behavioural intelligence, or signal-fusion platforms practical experience integrating AI/LLM systems into production environments excellent written and verbal communication skills in English Experience with Kafka/Pulsar, CAEP, RISC, feature stores, OPA/Rego, Zero Trust, post-quantum cryptography, SIEM/XDR architectures, or mobile threat defence is highly valued.

Spanish is a plus. Recruitment Process Introductory conversation with Talent CTO & CPO conversations Collaborative 90-minute architecture working session Final meeting with Ditto leadership If you want to build category-defining infrastructure shaping the future of digital trust, we’d love to hear from you.