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Spanish (LATAM) 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

The Spanish (LATAM) Linguistic Evaluator and Functional Tester position is an on-site role based in Barcelona, Spain, focusing on evaluating pre-release AI models and consumer technology for a major global communications client. This opportunity is ideal for detail-oriented, native-level Spanish speakers who possess a strong interest in technology and quality assurance.

Role Overview

Enterprise AI Training Data & Human is seeking a native-level Spanish (LATAM) speaker to participate in a large-scale, confidential artificial intelligence and consumer technology program. Operating directly from a secure area within the Barcelona office, this hands-on position requires evaluating unreleased AI models and testing product performance on physical client-supplied devices, including smartphones and next-generation smart glasses.

Key Responsibilities

Review outputs from pre-release AI models in Spanish (LATAM) to assess naturalness, precision, appropriateness, and fact-check responses against supplied source materials.
Test the user experience against English to verify feature parity, execute complete user journeys with non-English inputs, and check handling of diacritics, mixed-language text, and scripts.
Identify rendering flaws, UI display issues, and localization errors such as incorrect currencies, dates, numbers, or untranslated strings.
Document issues thoroughly with replication steps, device details, OS, locale, and supporting evidence, then retest following the release of a fix.
Provide regional insights on navigation, usability, and cultural nuances.
Participate in other linguistic projects as required.

Requirements

Native-level or fully bilingual proficiency in written and spoken Spanish (LATAM) with a contemporary understanding of everyday and technical usage.
Comfortable utilizing smartphones, laptops, iOS, and Android operating systems.
High level of attention to detail combined with objective judgment for quality assessments.
Capable of working independently, adhering to precise test scripts and guidelines, and documenting issues clearly in English.

Nice to Have

Prior background in software testing, localization quality assurance, or linguistic evaluation.

Skills and Tools

Spanish (LATAM) linguistic evaluation
Functional software and device testing
iOS and Android operating systems
Issue documentation and reporting in English

About the Company

Welocalize operates as a Welo Global brand providing AI-enabled multilingual content solutions and automated content workflows to help enterprises scale globally across more than 300 languages. Supported by seven ISO certifications, the company combines artificial intelligence, automation, and human expertise within a secure compliance environment.

How to Apply

Interested candidates should visit the official company careers page to submit an application for this on-site position in Barcelona.

Questions candidates ask

Where is this job located?

This position is located on-site in a secure area of the Welocalize office in Barcelona, Spain. Remote work is not available due to confidentiality.

What language proficiency is required?

Candidates must have native-level or fully bilingual proficiency in written and spoken Spanish (LATAM), along with the ability to explain issues clearly in English.

What devices will I be testing on?

Testing is conducted on client-supplied devices, which include smartphones and next-generation smart glasses across iOS and Android platforms.

Is prior testing experience mandatory?

Previous experience in software testing, localization quality assurance, or linguistic evaluation is a strong plus but not strictly required if you have the necessary language skills and attention to detail.

What does the evaluation work entail?

It involves reviewing unreleased AI model outputs for accuracy and naturalness, fact-checking responses, identifying display and localization errors, and documenting issues for developers.

Ready to apply?

The application is on the official Welocalize careers page.

Apply on company site