Customer Success Manager (Founding)

Nango is a YC-backed company that connects agents to APIs, serving more than 700 paying customers. The Founding Customer Success Manager will build the customer success function, manage relationships with major accounts, drive adoption and expansion, own renewals, and develop scalable customer support processes.

Responsibilities:

• Build lasting relationships with developers, product leaders, and decision-makers at our largest customers
• Understand what customers are building and help them get more value from Nango
• Discover new use cases, teams, and integrations that drive account expansion
• Own renewals and expansion conversations, from planning through close
• Spot adoption gaps and risks early using product usage and customer conversations
• Partner with Engineering to resolve blockers and bring customer needs into the roadmap
• Build the playbooks and outreach that let us serve 700+ customers well
• Track customer health, retention, and growth as you build the function

Requirements:

• You have grown customer relationships at a developer tools, infrastructure, or technical SaaS company
• You have owned renewals and expansion, with results you can point to
• You are comfortable discussing APIs, integrations, and technical use cases with developers
• You build trust with both hands-on users and executive buyers
• You connect customer goals with product adoption and commercial opportunities
• You are organized, proactive, and thoughtful about where to spend your time
• You thrive when defining the playbook rather than following one