Find remote AI training and data labeling jobs open to applicants in Belgium.
Use your accounting expertise to evaluate AI-generated answers, create reference solutions, and improve model reasoning across journal entries, reconciliations, accruals, and financial reporting.
Posted Jul 8, 2026
Evaluate AI-generated legal answers, write model analyses, and strengthen legal reasoning as a remote contractor. This flexible role is designed for attorneys with 5+ years of practice and strong research and drafting skills.
Posted Jul 8, 2026
Develop and improve machine learning models remotely using Python, MongoDB, large datasets, and leading frameworks. This contractor opportunity offers $80-$140 per hour and requires 20+ hours per week.
Posted Jul 3, 2026
Use your commercial real estate expertise to review agreements, valuations, feasibility studies, and AI-generated responses. Earn $40-$65 per hour in flexible remote contractor work through OpenTrain.
Posted Jun 28, 2026
Review and correct AI-generated extractions from legal, financial, accounting, and compliance documents. Use JSON schemas and careful document analysis in a flexible, worldwide contract role paying $8 to $11.20 per hour.
Posted May 14, 2026
Help build a multimodal benchmark of African cultural content by validating images, refining captions, and adding cultural context. Work flexibly on a browser-based platform for less than 20 hours per week.
Posted Apr 28, 2026
Use your accounting or finance expertise to review financial documents, correct OCR, and structure tables and key-value data for AI training. This worldwide contractor role pays $7-$9 per hour and requires 20+ hours weekly.
Posted Apr 27, 2026
Rate image quality metrics and assess image quality tools in a remote AI training project. This worldwide contractor role offers flexible part-time work at $5 to $7 per hour.
Posted Apr 15, 2026
Use Python and advanced computer science expertise to design problems, validate AI-generated solutions, and score multi-step reasoning. This project-based contractor role offers global remote work at $15-$40 per hour.
Posted Apr 5, 2026
Use advanced Python, SQL, statistics, machine learning, and GenAI expertise to author realistic data science problems that help train and evaluate AI systems. This remote, project-based contractor role pays $15 to $40 per hour.
Posted Apr 5, 2026
Use expert Python, statistics, SQL, and GenAI knowledge to create and verify challenging computational machine learning problems. This project-based remote contract offers $15 to $40 per hour.
Posted Apr 5, 2026
Use your Chinese localization expertise and C1 English skills to evaluate, fact-check, and improve AI-generated content. This remote contractor role offers flexible work of 20 or more hours per week.
Posted Apr 3, 2026
Evaluate and red-team large language models in Hebrew and English, documenting safety failures and policy gaps. This fully remote contractor role pays $26-$38 per hour for 20+ hours weekly.
Posted Apr 3, 2026
Work remotely as a French and English AI Safety LLM Evaluator, reviewing model responses, red-teaming safety boundaries, and creating evaluation data. Earn $24 to $36 per hour while helping improve safer AI systems.
Posted Apr 3, 2026
Review and improve French-language AI responses as a remote, hourly contractor. Use expert judgment in French linguistics, reasoning quality, editing, and bilingual communication while earning $16 to $26.50 per hour.
Posted Apr 3, 2026
Evaluate AI-generated content and safety decisions in Spanish and English as a remote contractor earning $14-$24 per hour. Use red-teaming, policy judgment, and clear analytical feedback to help improve safer AI systems.
Posted Apr 3, 2026
Evaluate AI-generated content in Arabic and English, identify unsafe or adversarial behavior, and provide clear feedback for safer language models. This fully remote contractor role offers $15-$40 per hour with a 20+ hour weekly commitment.
Posted Apr 3, 2026
Review and improve Arabic-English AI responses, assess reasoning and factual accuracy, and write model solutions in a flexible remote contractor role paying $6-$12 per hour.
Posted Apr 3, 2026
Use your biology expertise to evaluate AI-generated responses, fact-check scientific reasoning, and write clear model explanations. This worldwide contractor role pays $25 to $55 per hour, with a listed rate of $45 per hour.
Posted Apr 3, 2026
Help improve AI-generated medical and public health responses through clinical reasoning, fact-checking, written feedback, and response ranking. This remote contractor role offers part-time work under 20 hours per week and pays $25 to $72 per hour.
Posted Apr 2, 2026
Help train and evaluate AI systems for infrastructure design, scalable automation, and real-world DevOps workflows. This remote contractor role offers $15-$45 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Use Make.com, n8n, and JavaScript to build and evaluate reliable AI automation workflows. This remote contractor role offers 20+ hours weekly and pay of $15 to $45 per hour through OpenTrain.
Posted Mar 29, 2026
Use your REST API and webhook expertise to create prompts and evaluate AI-generated integrations between CRMs, SaaS tools, ad platforms, and databases. Work remotely as a part-time contractor for 20+ hours per week.
Posted Mar 29, 2026
Build and refine LLM-powered automation workflows as an intermediate AI Workflow Engineer. Evaluate outputs, design prompts, and improve communication and content automation for $15 to $45 per hour.
Posted Mar 29, 2026
Help train AI systems to design reliable, scalable n8n automations. Build prompts, evaluate workflow outputs, and improve complex integrations in a flexible remote contractor role paying $15 to $45 per hour.
Posted Mar 29, 2026
Use your Zapier and Make.com expertise to build, test, and evaluate automation workflows that help train advanced AI systems. This flexible contractor role offers 20+ hours per week at $15 to $45 per hour.
Posted Mar 29, 2026
Use Python and quantitative finance expertise to create and verify challenging, research-style problems for AI training. Work remotely as a part-time contractor for 20+ hours per week at $15 to $60 per hour.
Posted Mar 29, 2026
Use advanced Python and statistical expertise to create and validate challenging research-style problems for AI training. This remote contractor role offers flexible part-time work at $15-$60 per hour.
Posted Mar 29, 2026
Use advanced Python and computational biology expertise to design and verify challenging research problems for AI training. This flexible, project-based contractor role offers $15 to $60 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Create advanced computational and quantum chemistry problems, verify solutions with Python, and model authentic research workflows. This part-time contract pays $15-$60 per hour based on task complexity.
Posted Mar 29, 2026
AI training and data labeling work can involve annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The exact responsibilities depend on the project and its posting. A role described as remote and open to applicants located in Belgium is not necessarily physically based there, so read the individual listing carefully before deciding whether it matches your circumstances.
OpenTrain is the hiring organization for the public roles on OpenTrain, including roles that explicitly accept applicants located in Belgium. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Eligibility can differ between postings, so confirm the location rules and all other requirements in the individual listing.
