Founded in 2018 by CPAs, tax attorneys, and software developers, Taxbit is creating an entirely new category to enable widespread compliant adoption of digital assets for the global economy. Taxbit’s Software-as-a-Service (SaaS) platform streamlines and automates customers’ tax reporting and accounting activities for digital assets.

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Trusted by leading crypto, tech, and traditional enterprises, Big 4 accounting firms, and government agencies (including the IRS), Taxbit solves compliance challenges at scale amidst an ever-evolving regulatory landscape. Taxbit is backed by leading Silicon Valley VCs with teams located in New York City, San Francisco, Seattle, Salt Lake City, and Europe.

Opportunity for Impact
Taxbit is seeking a Cloud Security Engineer to be a critical partner in securing and scaling our cloud infrastructure. This role combines hands‑on security engineering with close collaboration across engineering, product,



and customer‑facing teams—adecuado for someone who thrives at the intersection of security, software, and real‑world impact. You will work directly with engineering teams to design secure AWS architectures, build scalable security tooling, and embed security into the development lifecycle. You will act as a trusted advisor, helping teams navigate challenges from infrastructure hardening to application security and threat modeling. You will also build and evolve core security capabilities, including cloud‑native security systems, automated detection and response, and scalable platform improvements that strengthen our overall security posture.

We welcome individuals who are humble, hungry, and excited to tackle some of the industry's biggest challenges at the intersection of cloud infrastructure and security

This role is based in Madrid. Candidates must be legally authorized to work in Spain or another European Union count

📌 Cloud Security Engineer (Madrid)
🏢 Madrona Venture Labs
📍 Madrid