German Linguistic Evaluator & Functional Tester

Job overview

The German Linguistic Evaluator & Functional Tester role is onsite in Portland, OR; compensation is not specified. The position supports a confidential, large-scale AI and consumer technology program for a global technology and communications client. The evaluator reviews German-language AI output and tests the product experience on client-supplied devices, identifying language, usability, and functional issues so developers can improve quality before release.

What you'll do

• Evaluate pre-release AI output in German for accuracy, naturalness, appropriateness, and quality, including fact-checking against source material
• compare German and English experiences through end-to-end user journeys
• check script, diacritic, right-to-left, and mixed-language handling
• identify display and localization errors
• document reproducible issues with steps, device, operating system, locale, build ID, and evidence
• retest fixes
• provide native-level feedback on navigation and usability
• assist with other linguistic projects as needed.

What we're looking for

Skills & competencies

portland or

german

linguistic evaluation

functional testing

ai model evaluation

localization qa

software testing

native-level german

onsite

welo data

Work arrangement

• Weekend coverage required

Why this role

Native-level or fully bilingual German proficiency is required; prior software or app testing, localization QA, or linguistic evaluation experience is a plus, not required.

About the employer

Welo Data is hiring for this role. Industry: All Other Professional, Scientific, and Technical Services. Sector: 54.