Cyprien Lang is a Staff Software Engineer with 11 years of experience specializing in JavaScript stacks, notably Angular and Node.js, currently driving technical delivery at ServiceNow from Greater Lille. He led front-end migrations and built core products at Mapwize, including the Mapwize Studio migration from AngularJS to Angular and SDKs leveraging Mapbox GL, and has hands-on experience creating APIs and developer tooling. Comfortable across full-stack responsibilities, he has a history of optimizing APIs, integrating third‑party services, and shipping SaaS ERP/CRM features earlier in his career. Trained at 42 with a background in electrotechnics, he combines system-level architectural thinking with pragmatic implementation—favoring migrations and developer-facing platforms that scale. Notably, his career shows a pattern of transforming legacy front-ends and building reusable SDKs that empower partner and web integrations.
11 years of coding experience
2 years of employment as a software developer
BTS, Informatique, Félicitations du jury, BTS, Informatique, Félicitations du jury at Gaston Berger
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Cyprien Lang - Staff Software Engineer at ServiceNow