Key Account Customer Success - B2B SaaS - Top Startup in Wien - (m/w/d)

Own your own portfolio of 80-120 SMB marketing clients. Upsells, cross-sells, 100% client-happiness, full-cycle including onboarding and tech-support.

You are an entrepreneurial fast-mover? Apply now.

We’re a real startup, not a playground. Bootstrapped and fast-growing.

We are built for e-commerce brands in the B2B SaaS space. High pace, high expectations, zero corporate nonsense. We're here to win and so should you be.

We are looking for a Customer Success Manager who’s ready to take ownership from day one. You should thrive under pressure, work autonomously, and have a hands-on attitude. Think like an athlete: disciplined, self-motivated, and pushing through when it gets tough.

• Manage your own portfolio of e-com clients autonomously
• Own onboarding, support, upsell - the full lifecycle
• Directly solve client issues without waiting for others to jump in
• You're a strategic partner who helps clients get the most out of Chatarmin to drive real, measurable success in their business
• Get your hands dirty in operations and feedback loops to improve the product

• 2+ years experience in Customer Success or Account Management, ideally in B2B SaaS
• You have a good understanding of how API calls and webhooks work and can read and understand JSON and API documentation. In addition, you have practical experience in how to prompt LLMs correctly.
• You enjoy engaging directly with customers and take pride in resolving issues efficiently.
• High stress resistance: You don’t panic when things go sideways
• Strong communication and organizational skills
• Self-managed, disciplined, proactive
• Genuine interest in tech, startups, and building something meaningful
• Preverably living in Berlin or Vienna. Europe is a must.
• Fluency in both German and English (spoken and written) is mandatory.

1. Assessment: Loom
2. Case Study: 60 Minutes Case Study and Q&A
3. Test Day in the Vienna Office & Cultural Fit
4. More Rounds / Offer
5. Probezeit beginnt (Daily Kündigungsfrist beiderseits)