Spanish English Localization And Translation Expert

About OpenTrain

OpenTrain AI is the hiring and contracting organization for this role. OpenTrain is the #1 platform for finding and building careers in AI training and data labeling, helping people discover opportunities to teach and improve cutting-edge AI systems.

Creating an OpenTrain account is free, and candidates can apply in minutes. This contractor opportunity lets experienced language professionals contribute directly to the quality of AI-generated content.

About AI Training And Language Evaluation

AI training is the human work behind modern artificial intelligence. Language specialists help models improve by reviewing outputs, checking accuracy and clarity, comparing responses, and providing corrections or explanations that make future systems more useful and reliable.

This work is remote and often flexible, making it possible to contribute part time while applying specialized professional expertise to rapidly developing AI technology.

The Role

As a Spanish-English Localization and Translation Expert, you will review AI-generated outputs for the Spain Spanish locale. You will apply professional translation, localization, linguistic quality assurance, terminology, and evaluation expertise to make consistent and defensible decisions.

The role is intended for experienced language professionals who can interpret English prompts and guidelines, assess Spanish content, and explain the reasoning behind their judgments.

• Location: Spain
• Languages: Native or near-native Spanish for the Spain locale and C1+ English reading and writing
• Schedule: Less than 20 hours per week
• Engagement: Part-time contractor
• Pay: $24 USD per hour

What You'll Do

You will evaluate AI responses against structured criteria and improve them when needed. Your work will combine linguistic review, methodology assessment, fact-checking, and clear written explanation.

You will be expected to use professional judgment consistently across varied prompts, outputs, and evaluation guidelines.

• Review AI-generated content for accuracy, clarity, reasoning quality, and adherence to prompts and guidelines
• Identify linguistic and methodology issues in Spanish-English localized content
• Apply LQA and MQM error typologies, including severity and category decisions
• Write high-quality corrected outputs, explanations, and model answers
• Rate and rank multiple AI responses using structured evaluation criteria
• Fact-check units, names, references, dates, and other localized details using reliable sources
• Assess tone, register, inclusivity, cultural nuance, terminology, and overall consistency

Requirements

This role requires a strong professional background in localization or translation, along with the ability to perform rigorous linguistic quality reviews. You should be comfortable making repeatable decisions based on terminology resources, style guides, CAT tools, QA workflows, and documented evaluation standards.

• Currently based in Spain
• Native or near-native Spanish proficiency with strong professional writing and editing skills for the Spain locale
• C1+ English proficiency for reading prompts, sources, and evaluation guidelines
• Bachelor’s degree or higher in Translation, Linguistics, Localization, Communications, or a related field
• At least 5 years of professional localization or translation experience
• Experience with multilingual localization
• Demonstrated MQM or LQA experience, including severity, category, consistency, and root-cause decisions
• Proficiency with CAT tools and QA workflows, including translation memories, termbases, automated checks, and structured guidelines
• Strong terminology management and copyediting skills
• Prior AI data training, annotation, or evaluation experience is preferred

Who Should Apply

This opportunity is a strong fit for an intermediate-level translator, localization specialist, linguistic QA professional, or language editor who wants to apply established expertise to AI development. It is especially suited to professionals who value precise analysis, culturally appropriate writing, and well-supported quality decisions.

You should be able to balance detailed language review with structured evaluation, explain issues clearly, and maintain consistent standards across a range of AI outputs.

• Localization and translation professionals with Spain Spanish expertise
• Linguistic QA specialists experienced with MQM or LQA frameworks
• Editors who are confident assessing tone, register, inclusivity, and cultural nuance
• Language professionals interested in flexible, part-time AI training work

How To Apply

Apply through OpenTrain AI to be considered for this part-time contractor opportunity. OpenTrain gives professionals a way to build careers in AI training and data labeling while connecting their existing language expertise to work shaping how AI systems communicate.

• Create a free OpenTrain account
• Review the role details and submit your application
• Highlight your Spanish localization, translation, LQA, MQM, CAT tool, and AI evaluation experience