Portuguese Language Specialist – AI & LLM Training (Remote)

Innodata Inc.; Dadri; Remote; INR 600,000 - 900,000; Full time

Job summary

Innodata Inc. is seeking a Portuguese Language Specialist for AI & LLM training on a remote basis. You will evaluate and refine Portuguese language data to improve linguistic accuracy and model behavior across global users.

Responsibilities include quality reviews of AI prompts, feedback on grammar and tone, and creation of linguistically rich datasets. A Master’s in Portuguese and high-level Portuguese certification are required, with assessments during hiring.

Qualifications

• Master's in Portuguese or C1/C2 with strong reading, writing, speaking skills.
• English proficiency for evaluation tasks.
• Advanced Portuguese language certification required.
• Willingness to take language assessments during hiring.

Responsibilities

• Evaluate and review Portuguese content for AI training.
• Assess grammar, fluency, tone, and relevance of data.
• Provide feedback to improve model performance.
• Create and refine linguistic datasets for AI training.
• Identify linguistic and cultural biases in outputs.
• Collaborate with global AI teams and researchers.
• Follow guidelines and suggest process improvements.
• Ensure natural and professional language usage across tasks.

Skills

Portuguese language proficiency

English communication

Attention to detail

Analytical skills

Education

Master's degree in Portuguese

Portuguese language certification (C1/C2)

Tools

Translation tools

Job description

Job Title

Portuguese Language Specialist - AI & LLM Training (Remote)

Location

India (Remote)

About the Role

Are you passionate about language, technology, and the future of Artificial Intelligence? We are looking for highly skilled Portuguese Language Specialists to support the development and enhancement of next-generation AI systems and Large Language Models (LLMs). In this role, you will work closely with cutting-edge AI technologies by evaluating AI-generated content, improving linguistic accuracy, and helping shape culturally relevant and human-like interactions for global users. This is an exciting opportunity to contribute to innovative AI projects used by leading technology companies worldwide.

Key Responsibilities

• Evaluate and review AI-generated prompts, responses, and conversations in Portuguese and English.
• Assess content for grammar, fluency, factual accuracy, tone, and contextual relevance.
• Provide detailed feedback and quality ratings to improve AI model performance.
• Create, edit, and refine high-quality linguistic datasets for AI training purposes.
• Identify linguistic errors, cultural inconsistencies, and biases in AI outputs.
• Collaborate with global AI teams, linguists, and researchers on language-focused projects.
• Follow annotation and evaluation guidelines while contributing process improvement ideas.
• Ensure natural, professional, and culturally appropriate language usage across all tasks.

Required Qualifications

• Master's degree in Portuguese or C1 & C2 with strong proficiency in reading, writing, and speaking.
• Good command of English for communication and evaluation tasks.
• Candidate must possess advanced or highest-level Portuguese language certification.
• Willingness to complete Portuguese and English language assessments during the hiring process.
• Candidates should be capable of achieving professional-level scores in assessments.
• Strong attention to detail with excellent analytical and comprehension skills.
• Prior experience in translation, localization, content writing, editing, annotation, or language evaluation is preferred.
• Interest or experience in AI, NLP, Generative AI, or LLM-related projects will be an added advantage.