Senior AI Generalist — LLM Training & Evaluation

Rex.zone; Belgique; Remote; EUR 56,000 - 111,000; Full time

Job summary

Rexzone is hiring a Remote AI Generalist to oversee multimodal data labeling for NLP and computer vision tasks. You will ensure data quality and adherence to guidelines, performing QA on complex datasets and feeding insights back to model evaluation teams.

The role focuses on high-quality human feedback to improve large language model evaluation and ongoing AI training pipeline refinement.

Qualifications

• Experience labeling and evaluating AI datasets for NLP and vision tasks.
• Familiarity with annotation guidelines and QA processes.
• Strong attention to detail and quality control for ML data.

Responsibilities

• Manage multimodal data labeling tasks including CV and NLP datasets.
• Execute QA evaluation on complex datasets following guidelines.
• Contribute to large language model evaluation and training data refinement.

Skills

AI Generalist

NLP

Computer Vision Annotation

Content Safety Labeling

Machine Learning

Data Annotation

Job description

Explore remote and hybrid AI Generalist jobs in Brussels for 2026 at Rex.zone. As an AI Generalist, you will drive large language model evaluation, RLHF (Reinforcement Learning from Human Feedback), and training data quality across diverse domains. This full-time role bridges the gap between complex AI/ML training pipelines and human-in-the-loop QA evaluation. Whether you specialize in NLP, computer vision annotation, or prompt evaluation, your expertise will directly impact model performance improvement. Join leading AI labs, annotation vendors, and tech startups by applying for these cutting-edge data labeling and AI evaluation positions today.

Remote AI Generalist — NLP & Computer Vision

Date: 25-02-2026

Company: Rexzone

Country: BE

Remote Type: Remote

Employment Type: FULL_TIME

Experience Level: Mid-Senior

Industry: Technology

Job Function: Engineering

Skills: AI Generalist, NLP, Computer Vision Annotation, Content Safety Labeling, Machine Learning, Data Annotation

Salary Currency: USD

Salary Min: 63360

Salary Max: 126720

Pay Period: YEAR

We are hiring a Remote AI Generalist to manage multimodal data labeling tasks, including computer vision annotation and NLP dataset curation. You will execute QA evaluation on complex datasets, ensuring strict adherence to annotation guidelines compliance. By providing high-quality human feedback, you will directly contribute to large language model evaluation and the continuous refinement of AI training pipelines.