Founding Account Manager

About the Role This is a founding role: you will build and lead the Account Management function from scratch for a fast-growing fintech banking infrastructure company serving global banks and fintechs. Reporting to the Head of Growth, you will own the full post-sale lifecycle, from onboarding through revenue ramp, and directly shape how the company scales its customer relationships. The impact is immediate and highly visible. What You'll Do Define and build the Account Management function, including processes, KPIs, and success criteria. Lead customer onboarding and integrations after contract signature, coordinating across product, operations, and compliance teams. Own day-to-day customer relationships to accelerate revenue ramp, surface product feedback, and prevent churn. Design and execute upsell strategies and coordinate new product launches with cross-functional stakeholders. Project manage complex, senior stakeholder scenarios including C-suite executives, founders, and shareholders. Introduce automation and scalable processes to reduce manual work and increase repeatability. Feed customer insights directly into the product roadmap to influence prioritization and enhancements. What We're Looking For 2 to 4 years of relevant professional experience in consulting, Chief of Staff, Founder's Associate, or a GTM-adjacent role at a fast-paced startup. Demonstrated ability to build or scale a B2B Account Management, Customer Success, or Implementation function from the ground up. Track record of driving B2B customer revenue ramp, reducing churn, and surfacing actionable product feedback in enterprise or financial services contexts. Experience managing C-suite, founder, or shareholder relationships in a commercial setting. Background working with financial products, banking, payments, or fintech infrastructure. Systems-first mindset with the ability to automate customer-facing workflows. Comfortable with ambiguity, fast change, and making high-quality decisions under pressure. Familiarity with stablecoins, digital assets, or crypto-native clearing and settlement is a plus. Experience with CRM and customer success tooling for managing enterprise implementations is a plus. Based in New York City or Berlin, or willing to relocate; comfortable with global travel across the US, Europe, APAC, and LATAM. Visa sponsorship is available. Compensation & Benefits Base salary: $150,000 to $230,000 USD annually. Visa sponsorship is available for qualified candidates. Location On-site in New York City, NY, USA (or Berlin). Global travel required.