Applied Scientists - Machine Learning (MSc. or PhD)

Machine Learning Researcher (MSc. or PhD)

• Data & Machine Learning
• Platform: micro1
• Location: 58 countries

This contract role asks machine learning specialists to build and check demanding engineering tasks for an AI training project. The work spans model implementation, training and inference pipelines, numerical methods and performance tuning, mostly in Python. It suits candidates with an advanced degree and hands-on machine learning experience who work fluently with coding agents.

Posted October 23, 2026

ML Engineer (MSc. or PhD)

• Data & Machine Learning
• Platform: micro1
• Location: 58 countries

This contract role asks machine learning engineers to create, solve, review and validate demanding engineering tasks for an AI training project. The work centers on model development, training and inference pipelines, numerical methods and Python tooling, and is largely hands-on coding. It suits candidates with an advanced degree and experience using coding agents in their Python workflow.

Posted October 16, 2026

Post-Training Research Scientist (LLMs) - Experimental Track

• Data & Machine Learning
• Platform: Vetto

This role is a hands-on research position focused on post-training large language models, where expert annotations are converted into training data and experimental reward signals. It suits a researcher with a PhD or equivalent experience in machine learning or a related quantitative field who can work independently and iterate fast on messy experiments.

Posted January 23, 2026

ML Challenge Task Auditor

• Data & Machine Learning
• Platform: Mercor
• Location: United States
• Level: Intermediate

You will evaluate the methodological quality and scientific rigor of machine learning tasks designed to train and test models at a cutting-edge AI laboratory. You will provide structured feedback on experimental design, model selection and evaluation protocols, critiquing claims against observed results.

Posted August 28, 2026

Machine Learning Engineer Talent Network

• Data & Machine Learning
• Platform: Mercor
• Location: United States

Join a network of machine learning experts to access occasional jobs with AI laboratories and companies. You will contribute to training and evaluating models, creating tasks based on real-world scenarios, and providing domain feedback for AI research. This program is aimed at engineers with solid experience in machine learning model development and capable of working independently on remote projects.

Posted February 27, 2026

Engenheiro de Software

• Software Engineering
• Platform: Alignerr

This role involves writing, debugging, and evaluating AI-generated code to help train and improve AI coding assistants. Software engineers will review code quality, identify bugs and security issues, provide detailed feedback, and design test scenarios to stress-test AI capabilities across various programming languages and frameworks.