Account Manager – Post‑Sale Customer Success (Remote, Spain)

About the role

We are seeking a founding Account Manager to shape and own the post‑sale customer success function for a fast‑growing SaaS company. Based in Spain and working remotely, you will design the end‑to‑end customer journey, from onboarding through expansion and renewal, while partnering with innovative go‑to‑market teams.

Key responsibilities

• Define and execute the post‑sale customer journey, covering onboarding, activation, renewal and expansion.
• Own a portfolio of strategic enterprise customers, acting as a trusted advisor.
• Drive net revenue retention by identifying upsell and cross‑sell opportunities.
• Lead renewal conversations with commercial confidence and manage churn risk.
• Collaborate with enablement and product teams to maximize adoption and value extraction.
• Provide customer feedback to product and strategy teams.
• Build and execute quarterly account plans to exceed retention and growth targets.

Required profile

• Proven experience in Account Management, Customer Success or similar post‑sale roles within SaaS or B2B environments.
• Strong ability to engage and influence senior stakeholders, including C‑level executives.
• Track record of driving renewals, retention and revenue expansion in enterprise accounts.
• Highly proactive, self‑driven and comfortable working in a remote, fast‑paced setting.
• Comfortable operating in ambiguous, builder‑type roles where processes are still evolving.

Required skills

What we offer

• Remote‑first work environment with flexibility across Europe.
• Opportunity to shape a foundational Account Management function.
• Direct impact on customer success and revenue growth.