All roles

Open role

Computer Science PhD (India)

Remote · Brazil Full-time

Overview

We are looking for experienced Machine Learning and AI Experts to help train and evaluate advanced AI models. In this role, you will apply your domain expertise to assess AI-generated content, create high-quality technical prompts and answers, and evaluate model responses for accuracy, relevance, and clarity. This is a remote, flexible opportunity for experts who want to contribute to the development of better AI systems.

Compensation

US$150 per hour

Key Responsibilities

As a Machine Learning / AI Expert, you may contribute by: Assessing the factual accuracy, technical quality, and relevance of AI-generated text related to Machine Learning and Artificial Intelligence. Crafting and answering advanced questions across Machine Learning, AI, and adjacent technical domains. Evaluating, comparing, and ranking AI-generated responses based on correctness, reasoning quality, completeness, and clarity. Identifying errors, inconsistencies, hallucinations, or weak reasoning in model outputs. Providing clear feedback that helps improve the performance of AI systems. Ideal Qualifications We are especially interested in candidates with one or more of the following: A PhD in Machine Learning, Artificial Intelligence, or an adjacent field, such as Computer Science, Statistics, Applied Mathematics, Computational Neuroscience, Natural Language Processing, Computer Vision, Reinforcement Learning, or Data Science. Experience working as a Machine Learning Engineer, AI Researcher, Applied Scientist, Data Scientist, or in a comparable highly technical or analytical role. Strong understanding of core Machine Learning and AI concepts, including model training, evaluation, optimization, and real-world application. Ability to write clearly, precisely, and fluently in English about complex technical topics. Strong analytical judgment and attention to detail. Work Arrangement Remote Flexible hours

More open positions

Computer Science PhD (Mexico)

Work from home Full-time role

Senior Client Success Manager (Together)

Work from home Full-time role

Donor Relations Writer

Work from home Full-time role

Creative Professionals: Interview on Workflows and Career Paths

Work from home Full-time role

Associate Software Engineer

Work from home Full-time role

Senior Internal Auditor (CPA, CIA, CFE, CCEP certs preferred)

Work from home Full-time role

Labour Relations Specialist

Work from home Full-time role

Experienced Project-Based Customer Service Representative - FEMA Support Specialist at careerzynith

Work from home Full-time role

Clinical Research Associate (sponsor dedicated)

Work from home Full-time role

Real Estate Remote Personal Assistant (Spanish - English Speaking)

Work from home Full-time role

Account Support Representative

Work from home Full-time role

Advanced Practice Provider - Washington DC (Part-time)

Work from home Full-time role

[Remote] Staff Software Engineer

Work from home Full-time role

[Remote] Franchise Business Consultant – Illinois & Wisconsin | Remote

Work from home Full-time role

Senior Local Operations Manager - Solid Tumor Oncology (1 of 5 Openings)

Work from home Full-time role

Remote BCBA Job in North Carolina – LBA Required

Work from home Full-time role

K-12 Math Writers and Editors

Work from home Full-time role

Product Manager Medication

Work from home Full-time role

Remote Data Entry Clerk – Entry‑Level Data Management Specialist – Flexible Remote Work, Career Development & Growth Opportunities at careerzynith

Work from home Full-time role

Administrative Assistant - 1336 - Buenos Aires, Argentina

Work from home Full-time role

Senior Kubernetes Engineer – Secret Eligible

Work from home Full-time role