Jobtailor in Barcelona seeks a Customer Success Manager to own ARR targets for a portfolio of site-based accounts, driving renewals and expansions in a fast‑growing SaaS environment. You will lead onboarding and adoption using data from Gainsight, Salesforce and PowerBI; translate insights into value and collaborate on new opportunities. Requires a Bachelor’s degree, 2 years in ARR/renewals or inside sales, Dutch and English fluency, plus French or German.