Fenrir Security Researcher
Research vulnerabilities in private code repositories and turn findings into challenging AI security tasks. The role pays $100 per hour and requires at least 20 hours a week.
Posted Nov 6, 2026
Build and evaluate machine learning models with Python, MongoDB, and common ML libraries in a remote, part-time contractor role paying $80 to $140 per hour. Apply through OpenTrain, then complete the hiring site application.
Coding & Software
$80–$140/hr
Compensation
Contract, part-time
Engagement
Remote
Location
Jul 3, 2026
Posted
Open in 52 countries
You will develop and improve machine learning models that support AI training and model evaluation. The work includes analyzing real-world datasets, preparing data, training models, testing results, and documenting your methods.
You will also help improve data pipelines and model inference workflows, share technical recommendations, and work with other contributors on practical machine learning solutions.
This is a remote, part-time contractor opportunity for an individual contributor.
You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.
The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 3 screening questions.
AI training work is the human side of building artificial intelligence. People prepare data, test models, and review results so AI systems can learn from better examples, and experienced contributors are needed for technical work such as machine learning development and evaluation.
Keep exploring
Research vulnerabilities in private code repositories and turn findings into challenging AI security tasks. The role pays $100 per hour and requires at least 20 hours a week.
Posted Nov 6, 2026
Create coding challenges and assess AI-generated software solutions for technical accuracy and good engineering practice. The role pays $40 to $60 per hour and requires at least 20 hours per week.
Posted Nov 6, 2026
Evaluate AI-generated code and build code-quality checks for AI models using Python, JavaScript, React, and Node.js. US-based, with a 20+ hour weekly commitment.
Posted Nov 6, 2026
Build coding datasets, Python agents, and verification tools, then assess AI-generated code across several programming languages. US-based contract work requires 20+ hours per week.
Posted Nov 6, 2026
Evaluate AI-generated code and build coding datasets for model training, with a focus on systems, infrastructure, backend, and performance-critical software. US-based contract work with a flexible schedule of 20+ hours per week.
Posted Nov 6, 2026
Browse related job pages
Expertise
Locations
Languages