Remote ML Data Trainer for Advanced AI Reasoning

Alignerr is seeking a Mathematics Specialist (Masters/PhDs) for a fully remote hourly contract role. You will develop, solve, and review advanced mathematical problems, design statements across algebra and calculus, and evaluate AI-generated reasoning for rigor and coherence.You will collaborate asynchronously with AI researchers, maintain mathematical...

Alignerr is seeking a Senior Machine Learning Expert to author reasoning traces that teach LLMs how to plan, reason, and solve problems. This is a remote, flexible hourly contract designed for experienced ML practitioners who understand model decision processes.You will decompose complex problems into structured steps, design data strategies for multi-step...

Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves Annotation is what helps AI make...

Mercor is hiring a Senior Software Engineer for fully remote work. You will evaluate and enhance AI model capabilities across complex SWE tasks, collaborating with leading AI research teams to improve data and models.As an expert contractor, you will develop benchmarks, work independently, and shape model reasoning while ensuring timely delivery. This role...

Lever, Inc. is seeking an Investment Specialist - Freelance AI Trainer Project based in Spain.In this remote role, you will train AI models using your expertise in financial markets, asset management, and portfolio concepts to improve AI reasoning for equity analysis, risk management, and valuation. You will formulate investment scenarios, test model outputs...

Alignerr is seeking Mathematics Experts to help train AI models with rigorous mathematical reasoning. Positions are fully remote hourly contracts for academics, researchers, and advanced practitioners who want to apply deep theory to real-world AI challenges.You'll design and review advanced math problems, collaborate asynchronously with AI researchers, and...

A leading IT outsourcing firm is looking for a Senior AI/ML Engineer to lead initiatives in fine-tuning large-scale AI models and build distributed AI architectures. The role is fully remote with some in-person sessions in Prague. Key qualifications include advanced skills in Python, deep learning, and experience deploying LLMs. Ideal candidates have strong...

Principal ML Architect (Client-Facing, Agentic AI) - SpainLocation: Spain (Fully Remote)Build the Next Generation of AI Products with TensorOpsTensorOps is an applied-machine-learning studio that helps organisations across Europe and North America design, train, and deploy production-grade GenAI systems. Our team blends research depth with pragmatic...

Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves Annotation is what helps AI make...