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Remote AI training and data labeling jobs in Belgium

Find remote AI training and data labeling jobs open to applicants in Belgium.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 434 open roles

Physics Expert Python Research Experience

Use advanced Python and research experience to create and verify challenging computational physics problems, from mechanics to quantum mechanics. This global, part-time contractor role offers 20+ hours per week and project-based pay of $15 to $60 per hour.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mathematics Expert Python Research Problem Designer

Create original, research-style mathematics problems and verify them computationally in Python for AI training. This expert contractor role offers flexible remote work for 20 or more hours weekly at listed rates of $15 to $60 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mechanical Engineering Problem Author

Create realistic mechanical engineering problem sets and fully verified Python solutions for computational methods, optimization, system design, and analysis. This worldwide contract role offers 20+ hours per week and pays $15 to $50 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Electrical Engineering Python AI Training Contributor

Use electrical engineering expertise and Python to create, solve, and verify realistic computational problems for AI training. This flexible contractor role requires a relevant degree, strong English, and at least two years of experience.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Civil Engineering Expert Python

Use civil engineering expertise and Python to create realistic computational problems, verify solutions, and help train advanced AI systems. This flexible contractor role offers 20+ hours per week at $15-$50 per hour.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Creative Web UI Designer With Portfolio

Design and launch high-converting ecommerce pages and brand storefronts with Shopify, Webflow, Squarespace, or WordPress. This flexible, part-time contract role pays $10 to $25 per hour and requires a strong portfolio.

General Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10–$25/hr

Posted Mar 11, 2026

Vibecode Specialist Web Scraping And Data Extraction

Use Python, automation, and AI tools to extract accurate structured data from complex websites. This global, part-time contractor role pays $20 per hour and requires 20+ hours weekly.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Feb 26, 2026

French Phoneme Transcription Specialist

Use advanced French phonetics skills to create word- and phoneme-level transcripts for speech recognition and language-learning models. Work remotely for $18 to $20 per hour with a 20+ hour weekly commitment.

Audio & Speech
Audio
Remote · Belgium, France
French, English
Part-time · Flexible
Intermediate level
Hourly · $18–$20/hr

Posted Feb 20, 2026

AI Agent Evaluation Scenario Writer

Create realistic evaluation scenarios that test how LLM-based agents handle real-world tasks. This fully remote, part-time contractor role pays $18 to $24 per hour and requires strong English, QA thinking, and basic Python and JavaScript.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $18–$24/hr

Posted Jan 13, 2026

Native French Transcription Specialist

Join a long-term French audio transcription project for approximately one hour each weekday at $15 per hour. Apply your listening accuracy and writing skills to help improve AI speech systems through flexible remote work.

Audio & Speech
Audio
Remote · Worldwide
French, English
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jan 7, 2026

Mechanical Engineering AI Trainer

Use Python and mechanical engineering expertise to create and verify demanding simulations and numerical solutions that help train advanced AI models. This flexible, part-time contract pays $10 to $45 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $10–$45/hr

Posted Dec 12, 2025

Senior Data Science AI Task Designer

Use advanced Python, SQL, statistics, and machine learning expertise to design and verify realistic data science problems that train and evaluate cutting-edge AI systems.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50/hr

Posted Dec 3, 2025

AI Red Team Engineer for LLM Security

Evaluate and attack AI models and agents to uncover security vulnerabilities, build reproducible tests, and improve LLM safety. This flexible remote contract role offers less than 20 hours per week and compensation up to $55 per hour.

Generative AI & RLHF
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Nov 17, 2025

Recycling Image Polygon Segmentation Specialist

Help train computer vision systems by outlining individual recycling objects in images with polygon segmentation tools. This worldwide, entry-level contractor role pays $5 per hour.

Image & Video Annotation
Image
Remote · Worldwide
English
Flexible hours
Entry level
Hourly · $5/hr

Posted Nov 11, 2025

AI Red Team Engineer, LLM Security And Pentesting

Join OpenTrain as a part-time AI Red Team Engineer earning $40 per hour to test LLMs, agents, and RAG pipelines through adversarial security evaluations. Use penetration testing, automation, and LLM security expertise in a remote contract role.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Oct 6, 2025

Automotive Engineering AI Trainer

Use automotive engineering expertise and Python to evaluate AI prompts, calculations, design reasoning, and model responses. This flexible part-time contract pays $40 per hour and requires less than 20 hours weekly.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40/hr

Posted Oct 1, 2025

What this work can involve

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.

  • Tasks may focus on language, visual data, audio, search, code, translation, or a specific subject-matter area.
  • The posting sets the actual responsibilities and instructions for the project.

How hiring works through OpenTrain

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.

  • Check whether applicants located in Belgium are accepted for the specific role.
  • Use the live posting to review its stated qualifications, responsibilities, hours, pay, schedule, and client-specific requirements.

Frequently asked questions

What can this work involve?
AI training and data labeling work can include 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 tasks depend on the project, so read each live posting to understand the work involved.
Where can I find role-specific details?
The individual live posting is the only source of truth for whether applicants located in Belgium are eligible and for the role’s responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements. Read the complete posting for each opportunity’s details.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for the public roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Check each live posting for the role’s stated eligibility and requirements.