Karl Vaillant

Karl Vaillant is the Co‑Founder and Engineer at Kulipa, a Paris‑based fintech startup pioneering stablecoin‑native card issuing infrastructure. A graduate of EFREI, he has over a decade of experience in backend and frontend development, DevOps, and cloud systems, specializing in open‑source technologies and agile methodologies. At Kulipa, Karl focuses on building reliable, scalable infrastructure that bridges digital assets with traditional payment networks, enabling wallets and fintechs to unlock real‑world utility for stablecoins. He played a key role in securing Kulipa’s $6.2 million seed round and in partnerships such as Flutterwave, positioning the company at the forefront of payments innovation.