E‑commerce Key Account Manager: Full Lifecycle Growth

chatarmin.com; Wien; On-site; EUR 60,000 - 90,000; Full time

Job summary

Chatarmin.com in Vienna is seeking a Customer Success Manager / Key Account to own a portfolio of 80–120 SMB and Enterprise e-commerce clients, guiding onboarding, support and upsell with a hands-on, entrepreneurial mindset. The role requires fluent German and English, high stress resilience, autonomous work, and direct client engagement to drive measurable business outcomes.

Expect uncapped commissions and clear growth from within.

Qualifications

• Fluent in German and English (spoken and written)
• Experience in understanding API calls and webhooks; read JSON and API docs
• Directly engage with customers and resolve issues efficiently
• High stress resistance; not panicking when things go sideways
• Strong communication and organizational skills
• Genuine interest in tech, startups, and building something meaningful
• Young, highly motivated team with zero ego
• Speed over politics; take initiative and run with ideas
• Direct impact on company and product
• Growth opportunities; career progression from within
• Uncapped commissions based on performance; base pay plus incentives

Responsibilities

• Own onboarding, support, upsell — the full lifecycle for your portfolio
• Manage 80–120 e-commerce clients autonomously
• Directly solve client issues without waiting for others
• Act as strategic partner to help clients maximize value from Chatarmin
• Contribute to product improvements through feedback loops
• Collaborate with product and solutions engineering on upsells and cross-sells

Skills

German fluency

English fluency

Client relationship management

APIs & webhooks understanding

Prompt engineering for LLMs

High stress resilience

Communication skills

Organizational skills

Startup mindset

Account management

Job description

Chatarmin.com in Vienna is seeking a Customer Success Manager / Key Account to own a portfolio of 80–120 SMB and Enterprise e-commerce clients, guiding onboarding, support and upsell with a hands-on, entrepreneurial mindset. The role requires fluent German and English, high stress resilience, autonomous work, and direct client engagement to drive measurable business outcomes.

Expect uncapped commissions and clear growth from within.