Full-time Posted June 12, 2026
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Job Description

At Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, and insurers like N26, Trade Republic, flatexDEGIRO, Nationale Nederlanden, Qonto, Shine, Solarisbank, and more.

Having started our journey in January 2018, we are proudly 250 employees between our Amsterdam and Barcelona offices with over 50 nationalities.

About The Role

As a Senior Customer Success Manager at Fourthline, you'll own the relationships with our most strategic and enterprise customers. That means driving retention, accelerating product adoption, and spotting—and closing—upsell and cross‑sell opportunities. You'll be the authentic voice of the customer inside Fourthline, translating their needs into better experiences and smarter decisions.

Day to day, you'll work closely with our wider Commercial team, Solutions Engineering, Customer Operations...

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