Overview
If you love helping developers build amazing things and want to shape the future of agentic workflows from the ground up, this might just be your dream job. Nango is backed by Y Combinator and growing fast. More than 700 paying customers, including giants like ServiceNow, Monday, Replit, and Ramp, rely on our infrastructure to connect AI agents to over 1,000 APIs. We are a tightly knit team of 14 coming from places like AWS, GitHub, Okta, and Uber. Right now, we need our very first Founding Customer Success Manager to take ownership of our customer relationships worldwide. This is a fully remote role where you will work directly with our founders to build our customer success function from scratch.
Key Responsibilities
- Build lasting relationships with developers, product leaders, and decision makers at our largest enterprise customers.
- Understand exactly what our users are building and help them extract maximum value from Nango.
- Discover exciting new use cases, additional teams, and fresh integrations that naturally drive account expansion.
- Own the entire renewal and expansion lifecycle, guiding accounts smoothly from initial planning through close.
- Spot adoption gaps and potential churn risks early by analyzing product usage data and direct conversations.
- Partner closely with our engineering team to resolve technical blockers and translate user needs directly into our product roadmap.
Requirements
- Proven experience in Customer Success, Account Management, or a technical developer facing role at a high growth startup.
- A deep genuine curiosity about developer tools, APIs, and the emerging AI agent ecosystem.
- Strong technical literacy with the ability to understand complex API integrations and communicate effectively with engineers.
- Exceptional communication and relationship building skills with a knack for turning technical users into passionate advocates.
- A scrappy, entrepreneurial mindset and real excitement about building processes from zero to one.
What You'll Gain
- The chance to act as a founding team member and define the customer success playbook at a fast growing YC startup.
- Direct mentorship and daily collaboration with experienced founders and engineers.
- Competitive compensation and a chance to make a massive impact on the trajectory of the company.
- Complete location independence with a fully remote, worldwide work culture.
How to Apply
Click the apply button below to view the full job details and submit your application directly through the employer's official page.

