We are looking for a Session Director to support live, supervised voice recording sessions for a multilingual conversational AI project in French (France).
Curated remote opportunities
Remote AI & Data Training Jobs in Europe 2026
2957 remote jobs open to candidates in Europe in AI & Data Training. Updated daily.
We are looking for a Session Director to support live, supervised voice recording sessions for a multilingual conversational AI project in Spanish.
We are looking for a Session Director to support live, supervised voice recording sessions for a multilingual conversational AI project in German (Germany).
Annotation
Operations
AI
+12
Collaboration
Empathy
Transcription
Localization
English
macOS
Audio Collection
Android SDK
iOS SDK
Documentation
Artificial Intelligence
Data Collection
🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.
English
Annotation
Operations
+12
AI
Collaboration
Empathy
Transcription
Localization
macOS
Audio Collection
Android SDK
iOS SDK
Documentation
Artificial Intelligence
Data Collection
🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.
Segmentation
CT
MRI
+12
Histopathology
Annotation
X-ray
Compliance
Radiology
Nursing
Research
Calibration
Onboarding
Image Segmentation
Medical Annotation
Guideline Compliance
You'll draw precise segmentation masks over anatomical structures in CT scans, MRI slices, X-rays, and histopathology slides using DICOM-compatible tools such as OHIF Viewer or ITK-SNAP.
AI
Accuracy
Instruction Following
+10
Annotation
Writing
Calibration
Analysis
Verification
Summarization
Large Language Models
Language Models
Prompt Evaluation
Creative Writing
You'll evaluate prompt-response pairs generated by large language models, scoring them across dimensions like factual accuracy, instruction-following, coherence, and appropriate refusal behavior.
Robotics
AI
Precision
+12
Annotation
Quality Assurance
Reasoning
CAD
Modeling
GIS
Interpretation
Data Classification
Object Detection
Bounding Boxes
Scale AI
Spatial Reasoning
You'll annotate 3D point cloud data captured by LiDAR sensors, placing tight cuboid bounding boxes around objects like vehicles, pedestrians, cyclists, and static obstacles. Data originates from autonomous vehicle test drives and robotics platforms.
Bioinformatics
AI
Biology
+10
Annotation
Research
Reasoning
Flexible
Accuracy
Documentation
Computational Biology
Content Creation
Data Annotation
Technical Specifications
Our global AI Community is a vibrant network of more than one million contributors from diverse backgrounds who help customers collect, enhance, train, translate, and localize content to build better AI models.
We're looking for engineers who have shipped production search systems (especially agentic ones now that we're in the era of LLMs and agents) and are thinking hard about the requirements and optimizations of those systems.
AI
CAD
Research
+12
Engineering
Open Source
FreeCAD
Python
Writing
Linux
Problem Solving
OpenFOAM
Flexible
Infrastructure
Positioning
Recruiting
AI Trainer – Aeronautical Engineers - CAD Expertise (Remote Advisory) About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
AI
CAD
Python
+12
Research
Engineering
Open Source
FreeCAD
Writing
Linux
Problem Solving
Flexible
Infrastructure
Positioning
Recruiting
Planning
AI Trainer – Electrical Engineers - CAD/Python Expertise (Remote Advisory) About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
AI
CAD
Research
+12
Engineering
Open Source
FreeCAD
Python
Writing
Linux
Problem Solving
OpenFOAM
Flexible
Infrastructure
Positioning
Recruiting
AI Trainer – Aerospace Engineers - CAD Expertise (Remote Advisory) About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
AI
Healthcare
Writing
+10
Accuracy
Reasoning
Diagnosis
Planning
Pharmacology
Nursing
Medical Reasoning
Clinical Diagnosis
Treatment Planning
Patient Safety
Medical Experts (doctors, nurses, PAs, etc.) help train and evaluate how AI models reason about clinical and healthcare topics in a variety of ways.
Physiology
Sports Data Annotation
Data Annotation
+4
Behavioral Data Analysis
Health Assessment
Annotation
AI Evaluation
Remote freelance role reviewing and labeling data on physical activity, exercise, and movement patterns (wearable sensor data, logs, video, or text) to support AI/health models. Annotate activity type, intensity, and movement quality. 8-week contractor engagement.
English
AI
Annotation
+12
Training
Reporting
Calibration
Operations
Management
Triage
Assurance
Quality Assurance
Slack
Channels
Webinars
Spreadsheets
Location: Remote Type of contract: Freelance Languages required: English Hourly Rate: Include the rate you are comfortable with on your CV. About ProlificProlific is not just another player in the AI space. We are building the biggest pool of quality human data in the world.
Nutrition
Data Annotation
Health Guidance
+4
Health Education
Public Health
Annotation
AI Evaluation
Remote freelance role labeling and evaluating data on food intake, dietary patterns, and nutrition information to support AI models for nutrition tracking, coaching, or research. Annotate food items, portions, and nutrient content. 8-week contractor engagement.
Mental Health
Clinical Psychology
Psychology
+5
Mental Health Evaluation
Mental Health Content Review
Cognitive Behavioral Therapy (CBT)
Annotation
AI Evaluation
Remote freelance role reviewing and annotating text, audio, or survey data on mood, stress, and emotional states to support responsible AI in mental health. Apply validated frameworks and safety-escalation protocols. 8-week contractor engagement.
Medical Annotation
Healthcare Data Annotation
Physiology
+4
Behavioral Science
Health Assessment
Annotation
AI Evaluation
Remote freelance role annotating and evaluating sleep-health data (sleep-tracker data, logs, self-reports) to support AI models focused on sleep health. Annotate sleep stages, quality indicators, and disturbances. 8-week contractor engagement.
Coaching
Health Guidance
Behavioral Science
+5
Public Health
Health Promotion
Health Communication
AI Evaluation
Annotation
Remote freelance role evaluating LLM outputs on health coaching and behavior change. Assess AI-generated coaching conversations for accuracy, safety, empathy, and effectiveness against best-practice coaching frameworks. 8-week contractor engagement.
We are hiring physics experts. This assessment is the first step to potentially qualify you for a range of paid opportunities at AfterQuery, from ongoing project work to specialized physics roles.
Remote contractor role evaluating and improving agentic coding models: reviewing model trajectories, verifying solutions, designing realistic coding tasks, and producing high-quality annotations. 5+ years of software engineering.
CAD
Flexible
Modeling
+8
Design Review
SolidWorks
AutoCAD
CATIA
CAD Design
Professional Experience
Product Design
Attention to Detail
Remote, project-based role for experienced CAD professionals. Flexible hours, competitive pay, and a variety of modeling and design tasks. This is a remote, project-based role for CAD professionals with hands-on experience in 3D modeling and technical drafting.
We're building a diverse, high-quality dataset to improve advanced AI models across multiple languages and real-world use cases. Your task? Interact naturally with AI assistants on your Mac while performing everyday tasks—and we'll pay you for it.