About Ditto At Ditto, we're redefining digital trust. Our unified identity platform helps banks, financial institutions, governments and other regulated organisations verify identities, prevent fraud and deliver secure digital experiences through identity verification, authentication, passwordless access and mobile threat defence.
About Ditto At Ditto, we're redefining digital trust. Our unified identity platform helps banks, financial institutions, governments and other regulated organisations verify identities, prevent fraud and deliver secure digital experiences through identity verification, authentication, passwordless access and mobile threat defence.
We're a general team with a startup mindset, led by CEO Gonzalo Alonso, on a mission to make digital trust simple, secure and accessible.




We're hiring a Senior Principal Engineer to help design and build it—hands-on—drawing on Ditto's heritage in identity, device binding, runtime protection and continuous authentication, and using large language models as a genuine force-multiplier for the research and the delivery.
Provenance: Tamper-evident logs, software supply-chain attestation (SLSA / Sigstore)
Fluent English, spoken and written; Fluent or native Spanish, spoken and written—valuable across our Spanish-speaking European and LATAM customers and partners.
We value ownership, curiosity and collaboration, giving our people the freedom to make decisions, challenge ideas and grow their careers while helping build the future of digital trust.

📌 Principal Engineer (Madrid)
🏢 Ditto
📍 Madrid