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.
Build institutional-grade financial models and investor presentations to help train frontier AI systems. Work remotely on flexible, project-based assignments and earn $750 for every approved submission.
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.
Rust
Finance
Infrastructure
+12
Culture
Payments
Compliance
Management
Make
Microsoft Teams
Architecture
Engineering
Writing
Apache Kafka
Fintech
Compliance Risk
Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open,…
Marketing
AI
Infrastructure
+12
Engineering
Microsoft Teams
MCP
Make
Communication
Leadership
ARR
APIs
Alignment
Messaging
Sales
Strategic Thinking
Our mission is to bring clarity and control to the world's most complex codebases. AI is accelerating code creation, but the infrastructure to understand, oversee, and evolve that code hasn't kept pace.
Marketing
E-Commerce
AI
+12
Make
Klaviyo
Automation
Planning
Segmentation
Testing
Optimization
Reporting
Analysis
Microsoft Teams
Templates
Copywriting
At Foxelli, we’re building more than e-commerce brands - we’re building a tribe of thoughtful humans: AI enthusiasts, curious builders, and ambitious minds who care about doing meaningful work together. Ten years in, our D2C brands reach millions and generate over $20M annually.
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.
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.
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.
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.
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.
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.
AI
English
Norwegian
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Norwegian. Native fluency in English and Norwegian is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Danish
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Danish. Native fluency in English and Danish is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Finnish
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Finnish. Native fluency in English and Finnish is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Swedish
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Swedish. Native fluency in English and Swedish is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Thai
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Thai. Native fluency in English and Thai is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Portuguese
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position.
AI
English
Indonesian
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Indonesian. Native fluency in English and Indonesian is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Vietnamese
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Vietnamese. Native fluency in English and Vietnamese is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
AI
English
Dutch
+12
Testing
Cybersecurity
Machine Learning
RLHF
DPO
Engineering
Analysis
Psychology
Acting
Writing
AI Safety
Language Skills
Fluent Language Skills Required: English & Dutch. Native fluency in English and Dutch is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked — by us.
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 DevOps and cloud engineering contractor role designing scalable, secure, cost-effective cloud architectures across AWS, Azure (preferred), and GCP with Terraform and Kubernetes. 8+ years of cloud experience.
