Senior Customer Success Manager

Wunder Mobility

Senior Customer Success Manager leading AI transformation at Wunder Mobility. Overseeing strategic customer relationships and enhancing AI-driven customer experiences in Hamburg.

Posted 5/26/2026full-timeHamburg • 🇩🇪 GermanySenior💰 €90,000 - €120,000 per yearWebsite

About the role

Key responsibilities & impact

Strategic account management — own a portfolio of senior customer relationships.
Drive adoption, expand usage, surface upsell, and lead renewals.
You are the operator's primary commercial and operational counterpart at Wunder.
Migration & launch — lead new customers from signature to live operations alongside our delivery team.
Set the bar for how a Wunder onboarding feels.
AI-first customer experience — design and ship the AI agents and workflows that make our customers' experience of Wunder feel frictionless — instant answers, expert-on-call accessibility, faster resolution.
Outcomes, not automation metrics.
Function-level transformation — you're not just using AI in your own role; you're actively shaping how the CSM function works. Patterns you prove out get adopted across the team.
Coaching & influence — raise the bar for the team around you. Mentor, share patterns, push thinking, lift outcomes.

Requirements

What you’ll need

5+ years in Customer Success, Account Management, or a closely related role in B2B SaaS — ideally on technically complex or operationally demanding products.
You've already started pushing AI into your day-to-day.
You have opinions.
You're probably frustrated by how slowly your current employer is moving on it.
Senior in seniority, not in inertia.
You still want to roll up your sleeves and build.
Commercially sharp: comfortable owning revenue, leading negotiations, navigating renewals and difficult conversations.
Operationally credible with technical buyers: integrations, APIs, SLAs, project plans don't scare you.
Excellent written and spoken English.
German is a strong plus.
Hamburg-based or willing to relocate.

Benefits

Comp & perks

Compensation — €90,000–120,000 OTE depending on experience.
Tool freedom — no Copilot lock-in.
Frontier models, agent frameworks, and any tool that gives you leverage.
You decide your stack.
Greenfield mandate — you're not retrofitting AI onto a legacy CSM playbook.
You're helping write the new one, with executive air cover.
Direct collaboration — the CEO, the Head of Customer Success, and an external GTM strategist are in the build with you.
Community — part of the House of AI community in Hamburg and San Francisco.
Spend up to two weeks per quarter at the House of AI in SF.
Stage — a profitable, growth-stage B2B SaaS company with real customers, real revenue, and real ambition.

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Hard Skills & Tools

Customer SuccessAccount ManagementB2B SaaSAI integrationAPIsSLAsproject managementnegotiationrevenue managementonboarding

Soft Skills

strategic thinkingcoachinginfluencecommunicationmentoringproblem-solvingadaptabilityleadershipcollaborationcustomer relationship management