Umbundu Language Specialist - Freelance AI Trainer Project

Jobgether; Brasil; Remote; BRL 59,000 - 479,000; Full time

Benefits offered by this job

Remote work

Freelance contract

Flexible schedule

Job summary

Jobgether is partnering on a remote freelance AI trainer project for Umbundu language expertise in Brazil. You will evaluate AI-generated Umbundu content, refine linguistic quality, and provide actionable feedback to improve prompts and evaluation methods.

This role focuses on linguistic accuracy, cultural context, and natural language fluency for AI systems. The ideal candidate has strong Umbundu proficiency, detail orientation, and experience with language-related content.

Qualifications

• Fluency in Umbundu with strong linguistic knowledge.
• Experience in translation, editing, or language-related content preferred.
• Ability to provide structured, actionable linguistic feedback.

Responsibilities

• Evaluate AI-generated Umbundu content for accuracy and naturalness.
• Annotate and refine text to reflect authentic Umbundu usage and culture.
• Identify recurring errors and suggest improvements to prompts and guidelines.
• Collaborate with stakeholders to ensure consistent language quality in AI systems.

Skills

Umbundu proficiency

Linguistic analysis

Feedback providing

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Umbundu Language Specialist – Freelance AI Trainer Project based remotely in Brazil.

Help shape the future of artificial intelligence by bringing your Umbundu language expertise and cultural knowledge to the development of advanced AI systems. In this freelance project, you will evaluate and refine AI-generated Umbundu content to improve its linguistic accuracy, fluency, and naturalness. Your work will help ensure that AI models understand the language’s grammar, syntax, semantics, stylistic nuances, and cultural context. You will identify recurring errors, provide detailed linguistic feedback, and contribute to improving prompts and evaluation methods. By helping create more reliable language resources, you will support AI applications in education, accessibility, and communication. This remote opportunity is ideal for language professionals who are passionate about linguistic quality, cultural representation, and the responsible development of AI.

Accountabilities:

As an Umbundu Language Specialist, you will evaluate AI-generated content, provide expert linguistic guidance, and help improve the quality and cultural relevance of language models.

• Review, annotate, and refine Umbundu text generated by AI systems.

• Evaluate linguistic accuracy, grammar, syntax, semantics, fluency, style, and overall readability.

• Assess whether AI-generated content reflects authentic Umbundu usage and appropriate cultural context.

• Identify, document, and categorize recurring linguistic errors, inconsistencies, and unnatural expressions.

• Provide clear, actionable feedback to improve the quality and reliability of AI-generated Umbundu content.

• Contribute to the refinement of prompts, evaluation methods, and linguistic guidelines.

• Apply your understanding of Umbundu language conventions and cultural nuances to ensure outputs are natural and contextually appropriate.

• Collaborate with project stakeholders to support consistent language quality and continuous improvement of AI systems.

Requirements:

The ideal candidate has excellent Umbundu language proficiency, a strong understanding of linguistic and cultural nuances, and experience working with language-related content. You should be detail-oriented, analytical, and able to communicate feedback clearly and constructively.

• Fluency in Umbundu is required, with a strong understanding of grammar, syntax, vocabulary, semantics, and cultural context.

• Demonstrated professional experience in translation, linguistics, language teaching, editing, proofreading, or a related field.

• Experience in linguistic annotation, language-data evaluation, training, or coaching is an advantage.

• Ability to evaluate written content for accuracy, fluency, consistency, and cultural appropriateness.

• Strong written communication skills and the ability to provide structured, actionable feedback.

• Excellent attention to detail, particularly when identifying subtle linguistic errors and unnatural phrasing.

• Strong analytical and critical-thinking skills, with the ability to recognize patterns and recommend improvements.

• Ability to work independently, follow detailed guidelines, and maintain consistent quality standards.

• A secure computer and a stable internet connection suitable for remote work.

Benefits:

• Hourly compensation: $8–$65 per hour, depending on experience, expertise, and geographic location. Final compensation may vary from the advertised range.

• Remote work: Work remotely.

• Freelance flexibility: Contribute as an independent contractor in a contract-based role.

• Meaningful impact: Help improve AI systems’ ability to understand and generate natural, accurate Umbundu content.

• Language and cultural contribution: Support better representation of Umbundu language and cultural nuances in AI applications.

• Specialized experience: Apply your linguistic expertise to AI training, language evaluation, and data quality improvement.

• Independent work environment: Use your own secure computer and stable internet connection.

• Contractor benefits: Company-sponsored health insurance, paid time off, and other employee benefits are not provided.

Data Privacy Notice:

By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.