Hausa Language QA & AI Model Tester — On-Site

Welocalize, Inc.; Barcelona; On-site; EUR 34,000 - 52,000; Full time

Job summary

Welocalize, Inc. is looking for a native-level Hausa speaker to join a confidential, large-scale AI and consumer technology programme for a major global client.

This hands-on, on-site role involves evaluating a pre-release AI model in Hausa and testing how it performs on a client-supplied device, such as a smartphone and smart glass. You will be among the first to see this technology in Hausa, and your judgement will shape how well it works before broader use.

Qualifications

• Native-level or fully bilingual Hausa, written and spoken.
• Confidence with a smartphone and a laptop, and comfort moving between iOS and Android.
• A sharp eye for detail and fair, objective judgement when assessing quality.
• The ability to work independently, follow a detailed test script and guideline, and explain an issue clearly in English.
• Previous experience in software or app testing, localization QA, or linguistic evaluation is a strong plus.

Responsibilities

• Review pre-release AI model output in Hausa and judge it on accuracy, naturalness, appropriateness, and overall quality - would a native speaker really say it this way? This includes fact-checking each response against the source material.
• Test the Hausa experience against the English one: confirm feature parity, complete a full user journey using non-English input, and check the product handles non-Latin script, diacritics, right-to-left text and mixed-language input correctly.
• Spot any display problem (text cut off, overflowing, or rendering badly) and any localization error - a wrong date, number, currency, unit, or a string left untranslated.
• Write up each issue clearly so a developer can reproduce it: the step taken, the device and operating system, the locale, the build ID, and supporting evidence. Re-test once a fix lands to confirm it's resolved.
• Share your perspective as a native-level speaker on navigation, usability, and the language-specific nuance only a fluent speaker would catch.
• Work on-site in a private, secure area of the Welocalize office. Because of the confidential, pre-release nature of the technology, a remote or work-from-home arrangement isn't possible for this programme.
• Support other linguistic projects as needed.

Skills

Native-level Hausa

Attention to detail

Independent work

Tools

Smartphone

Laptop

Job description

Welocalize, Inc. is looking for a native-level Hausa speaker to join a confidential, large-scale AI and consumer technology programme for a major global client.

This hands-on, on-site role involves evaluating a pre-release AI model in Hausa and testing how it performs on a client-supplied device, such as a smartphone and smart glass. You will be among the first to see this technology in Hausa, and your judgement will shape how well it works before broader use.