Julien Stoeffler is a senior software engineer with over a decade of experience delivering scalable, cross-stack systems for startups and large platforms, based in Paris. He currently builds identity verification capabilities at Checkout.com, orchestrating computer vision with operator input to optimize accuracy while enforcing strict privacy and fraud controls. As a founder, he built Unixal’s $300k portfolio of sites and engineered a backend for 40,000 affiliate offers, using AI to tailor partner offers and automate Google Ads, while leading an editorial team. At Criteo, he led large-scale identity technologies to counter Safari ITP within a 35k-server, high-throughput infrastructure and contributed iOS native SDKs and backends. Earlier, he shaped native iOS/Android ad SDKs at Smart AdServer, driving revenue growth and introducing SCRUM, TDD, and automated tests.
ProcessOut JavaScript library with modal & white-label support
Contributions:10 reviews, 8 commits, 4 PRs in 6 months
pci-dsswhite-labeljavascript-libraryjsmodal
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