Technical Support Engineer (m/w/d) IN WIEN

chatarmin.com; Wien; On-site; EUR 42,000 - 64,000; Full time

Benefits offered by this job

Performance bonus

Office in Vienna

Job summary

chatarmin.com in Vienna is seeking a Technical Support Engineer to join the Customer Success Team. You’ll be the first line of defense for customers, owning issues from start to finish while helping improve our support processes and product feedback.

You don’t need 10 years of experience—grit and curiosity matter more than tenure. You’ll interact directly with customers via chat, email, and tickets, build strong relationships, and contribute to a fast-growing startup with real ownership and

Qualifications

• 3–5 years of experience in tech support, CS, QA, or a similar role in B2B SaaS.
• Strong understanding of API calls, webhooks, and reading API documentation.
• Experience prompting LLMs effectively.
• Excellent written and spoken communication in German and English.

Responsibilities

• Be the go-to person for questions from customers (chat, email, and tickets).
• Maintain a portfolio of 100+ clients end-to-end.
• Set up and improve AI agent configurations.
• Onboard and guide clients with a clear roadmap and communication.
• Troubleshoot issues quickly and document solutions.
• Write and maintain technical documentation and KB articles.

Skills

Tech support

B2B SaaS

API

Webhooks

JSON

LLM prompting

Customer communication

German English

Job description

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

Our motto: Move fast, break things. Chatarmin to the moon.

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’re looking for a Technical Support Engineer as part of our Customer Success Team who’s hungry to learn and ready to take real ownership from day one. You’ll be the first line of defense when customers need help, a key voice in improving our tech support processes, and a key part of our feedback loop.

You don’t need 10 years of experience - but you need grit, curiosity, and the drive to solve problems fast.

• Be the go-to person for questions from customers (chat, email, and tickets)
• Maintain a portfolio of 100+ clients end-to-end
• Setup and improve AI agents setups
• Onboard and improve clients with clear roadmap and communication
• Troubleshoot and resolve issues fast - or escape smart when needed
• Write and maintain clear technical documentation and knowledge base articles

Qualifikation

• 3–5 years of experience in tech support, CS, QA, or a similar role - 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.
• Clear communicator in writing and speech (fluent in German and English)
• Calm under pressure, eager to learn, and ready to hustle
• Preverably living inVienna. Europe is a must.
• Fluency in both German and English (spoken and written) is mandatory.
• Young, highly motivated team with zero ego
• Direct impact on the company and the product
• Zero politics, just ownership and impact
• Real career growth: This is a launchpad, not a dead-end
• Fair base salary + performance bonus: Your impact drives your income

Interview Process

• Assignment to check skill level
• 30 Min Call with CS Lead
• Trial Day in the Vienna Office & Cultural Fit