Machine learning and AI engineering work: model evaluation, LLM systems, data pipelines and research support for frontier labs. Practical experience with Python and modern ML tooling is the common thread.
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The Machine Learning Engineer develops and validates advanced models, training pipelines, and inference systems. Candidates must hold an advanced quantitative degree and possess strong practical experience with Python and coding agents.
Posted 18 days ago$60 to $120/h
The Competitive Data Scientist builds reproducible tasks, reference solutions, and verification criteria for machine learning evaluation. The role requires proven experience in data science competitions like Kaggle and strong practical programming skills in Python.
Posted 22 days ago$60 to $120/h
The Korean Document Annotation Expert reviews OCR-processed Korean documents, validates layouts and tables, and provides feedback to annotators. Candidates must possess native or fluent Korean proficiency, strong professional English skills, and prior data annotation or QA experience.
Posted 125 days ago$40/h
This role involves building and deploying agentic AI and LLM applications for U.S. Government missions, working directly with government partners from prototype to production. Strong Python engineering skills and experience with AI agents or LLM applications are essential.
Posted 4 days ago$200,000 to $300,000/yr
This remote role involves reviewing Python machine learning code and overseeing quality workflows across distributed technical teams. Applicants need a quantitative degree, strong English communication skills, and at least three years of professional experience in Python development or machine learning.
Posted 140 days ago$120/h
This senior engineer leads design and deployment of agentic AI and LLM applications, from prototype to production, in high-assurance government settings. Requires extensive software engineering experience and advanced Python skills, with a record of owning complex production systems.
Posted 4 days ago$300,000 to $500,000/yr
The Document Annotation Specialist accurately identifies, classifies, and annotates entities within PDF documents to train machine learning models. The role requires a Bachelor's degree and strong attention to detail to follow complex annotation guidelines.
Posted 152 days ago$3/h
The Machine Learning Researcher develops and validates models, training pipelines, and inference systems using Python. Candidates must hold an advanced quantitative degree and have strong experience using coding agents.
Posted 11 days ago$60 to $120/h
The Applied Scientist develops and validates machine learning models, training pipelines, and inference systems. Candidates must hold a master degree or PhD in a quantitative discipline and possess strong Python proficiency alongside experience with coding agents.
Posted 11 days ago$60 to $120/h
The Director of Talent Automations designs and implements advanced workflow automation and large language model solutions to scale talent operations. Candidates must have hands-on experience as an AI engineer and strong fullstack development proficiency.
Posted 15 days ago$180,000 to $250,000/yr
This remote role involves building and scaling AI recruiting agents, developing backend services, and designing workflows using modern language models. The ideal candidate brings strong Python software engineering skills and hands-on experience building applications with LLMs and AI APIs.
Posted 28 days ago$220,000 to $300,000/yr
The Senior AI Trainer evaluates, ranks, and annotates model responses while stress-testing prompts for advanced AI systems. Candidates must demonstrate exceptional attention to detail and strong written communication skills. Prior experience with AI model training or data labeling is preferred.
Posted 41 days ago$14 to $36/h
This role embeds within enterprise AI systems to diagnose failures, design evaluation datasets, and run experiments. Candidates need a Master's degree in Computer Science or Machine Learning and strong experience in designing ML evaluation frameworks.
Posted 50 days ago$300,000 to $700,000/yr
The Forward Deployed Engineer collaborates with leading AI labs and enterprises to build ML pipelines, data intelligence systems, and agentic workflows. Applicants must be strong Python engineers with professional experience building production systems and working with large language models.
Posted 50 days ago$300,000 to $650,000/yr
The Member of Technical Staff owns research and evaluation initiatives, designing machine learning data systems and analyzing model failures to improve system performance. Candidates need strong judgment regarding research signal quality and experience designing evaluation frameworks.
Posted 50 days ago$20,000 to $25,000/month
This remote role involves designing evaluation frameworks and research initiatives for frontier coding agents. Candidates must have a strong software engineering background and at least three years of experience in AI research, machine learning, or software engineering.
Posted 50 days ago$8 to $9/h
The Research Engineer develops reinforcement learning environments, training pipelines, and automated evaluation systems to advance modern AI models. Candidates must have deep experience in reinforcement learning, environment design, and a strong track record of scaling experimentation frameworks.
Posted 50 days ago$400,000 to $800,000/yr