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German Linguistic Evaluator & Functional Tester

WelocalizeBarcelona, SpainProduction
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Salary
Not listed
Job type
Full Time/Part Time
Posted
23 Sept 2026
Status
Open · checked 7d ago

About this role

Role Overview

Enterprise AI Training Data & Human seeks a native-level German speaker for a German Linguistic Evaluator & Functional Tester position in Barcelona, Spain. This full-time or part-time opportunity involves assessing pre-release artificial intelligence models and testing product performance on specialized consumer hardware for a major global technology client.

Key Responsibilities

Review outputs from pre-release artificial intelligence models in German to assess accuracy, naturalness, and general quality from a native speaker perspective.
Fact-check individual model responses against designated source materials.
Test the German user experience against English equivalents to ensure feature parity.
Execute end-to-end user journeys utilizing non-English inputs.
Verify proper product handling of non-Latin scripts, diacritics, right-to-left text, and mixed-language inputs.
Perform functional testing on client-provided devices, including a smartphone and a next-generation smart glass.

Skills and Tools

Native-level German language proficiency.
Strong attention to detail for linguistic and functional evaluation.
Familiarity with consumer technology devices such as smartphones and smart glasses.
Capability to compare localized experiences against English baselines.

About the Company

Welocalize, operating as a Welo Global brand, delivers AI-enabled multilingual content solutions that help global enterprises operate and scale. By uniting artificial intelligence, automation, and human expertise across more than 300 languages, the organization provides accurate and compliant content. The proprietary Opal Platform utilizes patented technology to automate content workflows and enhance operational control within a secure environment backed by seven ISO certifications. Headquartered in New York with global offices, the company supports major international brands.

How to Apply

Interested candidates should visit the official company careers page at welodata.ai to submit an application for this Barcelona-based opportunity.

Questions candidates ask

What is the job title for this position?

The job title is German Linguistic Evaluator & Functional Tester.

Where is the position located?

This role is located on-site in Barcelona, Spain.

What language proficiency is required?

Candidates must have native-level German language skills.

What devices are used during testing?

Testing involves client-supplied devices, specifically a smartphone and a next-generation smart glass.

Is this a remote position?

No, this is a hands-on, on-site role based in Barcelona.

Ready to apply?

The application is on the official Welocalize careers page.

Apply on company site