German-speaking AI Customer Support Specialist – Lisbon

Cross Border Talents; Lisboa; On-site; EUR 17,000 - 26,000; Full time

Job summary

Cross Border Talents in Lisbon is seeking a German-speaking Customer Service Specialist to support a Social Media LLM project on-site. You will handle German communication and assist with AI-related data tasks in a dynamic, multilingual environment.

Ideal candidates have native German, strong written German, English at B2+ or C1, and prior experience in AI data annotation. The role operates in a 24/7 shift with rotating days off, and relocation is not offered.

Qualifications

• Native-level German language proficiency.
• Excellent written German communication.
• English at B2 level or higher; B2+ or C1 preferred.
• Experience in AI data annotation.
• Familiar with AI evaluation platforms and digital tools.
• Ability to make fast, accurate decisions.
• Willing to work on-site in Lisbon.

Skills

German language proficiency

Written German

English proficiency (B2+)

AI data annotation experience

Pragmatic decision-making

Tools

AI evaluation platforms

Job description

Cross Border Talents in Lisbon is seeking a German-speaking Customer Service Specialist to support a Social Media LLM project on-site. You will handle German communication and assist with AI-related data tasks in a dynamic, multilingual environment.

Ideal candidates have native German, strong written German, English at B2+ or C1, and prior experience in AI data annotation. The role operates in a 24/7 shift with rotating days off, and relocation is not offered.