German-Speaking AI Customer Service Specialist - Lisbon

Cross Border Talents; Lisboa; On-site; EUR 18,000 - 30,000; Full time

Job summary

Cross Border Talents is seeking a German-speaking Customer Service Specialist for an on-site role in Lisbon, Portugal, supporting a Social Media LLM project. You will handle German-language customer inquiries and contribute to data-related tasks in a fast-paced AI environment.

The role requires native-level German, strong written German, English at B2+ (preferred), and experience in AI data annotation. Shifts are 24/7 with two rotating days off; relocation is not provided.

Qualifications

• Native-level German proficiency.
• Strong written communication in German.
• English at B2 level or higher; B2+ or C1 preferred.
• Previous experience in AI data annotation.
• Familiarity with AI evaluation platforms and digital tools.
• A pragmatic approach to fast, accurate decision-making.

Responsibilities

• Provide German-language customer support for an on-site Lisbon project.
• Assist with AI data labeling feedback and quality checks.
• Collaborate with cross-functional teams to resolve customer inquiries promptly.

Skills

German language proficiency

Written German

English proficiency (B2+)

AI data annotation

AI evaluation platforms

Digital tools

Pragmatic decision making

Tools

AI evaluation platforms

Digital tools

Job description

Cross Border Talents is seeking a German-speaking Customer Service Specialist for an on-site role in Lisbon, Portugal, supporting a Social Media LLM project. You will handle German-language customer inquiries and contribute to data-related tasks in a fast-paced AI environment.

The role requires native-level German, strong written German, English at B2+ (preferred), and experience in AI data annotation. Shifts are 24/7 with two rotating days off; relocation is not provided.