ML / AI Jobs in United States
There are 4,485 open ML / AI jobs in United States on freehire right now. 1,045 of them were posted recently. The skills employers ask for most often are machine-learning, ai and python.
Salary
| Currency | Period | 25th | Median | 75th | Postings |
|---|---|---|---|---|---|
| USD | year | $194,895 | $227,500 | $262,500 | 805 |
| USD | hour | $45 | $70 | $90 | 69 |
From postings that disclose pay. Currencies are counted separately, never converted.
Most requested skills
- machine-learning 95%
- ai 82%
- python 71%
- pytorch 47%
- llm 45%
- cloud 44%
- deep-learning 32%
- tensorflow 31%
How the work is done
- Remote 832 · 19%
- Hybrid 553 · 12%
- Onsite 521 · 12%
Visa sponsorship offered in 56% of the 514 postings that state a position on it.
Seniority
- Senior 1,104
- Staff 441
- Lead 312
- Intern 244
- Principal 202
- C-level 139
Who is hiring
- 1000+ employees 556
- 501-1000 employees 145
- 11-50 employees 67
- 51-200 employees 51
- 201-500 employees 15
- 1-10 employees 4
Machine Learning Engineer
Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission…
Senior Machine Learning Engineer, Inference - USA
About Inworld Inworld is a research lab and inference provider focused on realtime AI for consumer-facing applications. We build first-party speech models, serve LLMs, and run the inference behind modular APIs designed…
AI/ML Engineer
Builds and ships edge CV/ML systems at Latent AI in Princeton, NJ (in-office): turns messy real-world data into trainable models, chooses between classical classifiers and fine-tuned LLM/VLMs, and optimizes inference on physical edge hardware. Needs 3–5+ years ML engineering with strong Python, PyTorch, and MLOps.
Machine Learning Lead (LLM)
Lead a small team of senior data scientists at Blue Rose Research building LLM-powered research and analysis tools for Democratic campaigns: train and calibrate LLM-as-judge models and use them to auto-optimize prompts, retrieval, and agent workflows, staying hands-on in Python/PyTorch. Remote US role, East Coast hours.
AI Safety Specialist - Fully Remote | Upto $22/hr
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry…
AI Safety Specialist - Fully Remote | Upto $22/hr
Fully remote contract role red-teaming conversational AI models and agents — finding jailbreaks, prompt injections and misuse, annotating failures, and documenting vulnerabilities. Requires native English and Punjabi fluency; pays $20–22/hour.
AI Safety Specialist - Fully Remote | Upto $22/hr
About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry…
AI Safety Specialist - Fully Remote | Upto $22/hr
Fully remote contract role red teaming conversational AI models: running jailbreaks, prompt injections, and bias exploits, then annotating failures and producing reproducible reports and datasets. Requires fluent English and Punjabi plus prior red-teaming experience; pays $20-22/hour.
AI Safety Specialist - Fully Remote | Upto $22/hr
Fully remote contract role via Mercor: red-team conversational AI models and agents to find jailbreaks, prompt injections, and misuse, then annotate failures and document vulnerabilities. Requires fluency in English and Odia plus prior adversarial AI, cybersecurity, or socio-technical probing experience; pays $20–$22/hour.
AI Safety Specialist - Expert
Remote contract role evaluating AI-generated content on AI safety topics: reviewing safety protocols, building evaluation rubrics, and giving structured feedback to AI research labs to improve training data and model outputs. Pay is $37 per task; applicants must be US-based with experience in AI safety or a related field.
AI Safety Specialist - Fully Remote | Up to $22/hr
Contract role red-teaming conversational AI models and agents to uncover jailbreaks, prompt injections, and bias exploits, then annotating failures and producing reports for clients. Requires native English and Odia fluency; fully remote at $16–$22/hour.
AI Safety Specialist - Evaluation Expert
Remote contract role reviewing AI-generated responses for safety, factual accuracy, and policy compliance, applying RLHF/SFT and benchmarking rubrics and flagging unsafe outputs to improve model alignment. Pay is $60–$70/hour.
AI Safety Specialist - Bilingual
Remote contract role red-teaming conversational AI models — finding jailbreaks, prompt injections, and misuse cases, then annotating failures and documenting reproducible attack reports for AI labs. Requires native fluency in English and Malayalam; pays $16–$22/hour.
AI Safety Practitioner - Fully Remote | Upto $70/hr
Fully remote contract role evaluating AI-generated responses for safety, factual accuracy, and policy compliance—reviewing sensitive content and applying RLHF/SFT evaluation rubrics to help improve model alignment for AI research labs. Pays $60–$70/hour.
AI Safety Practitioner - Expert Evaluator
Remote contract role at Mercor: evaluate AI-generated responses for safety, factual accuracy, and policy compliance. Day to day you review sensitive content, apply RLHF/SFT evaluation rubrics, flag unsafe or hallucinated outputs, and give structured feedback to AI researchers and safety teams.
AI Safety Expert - Red Teaming
Contract role red-teaming conversational AI models and agents for AI research labs: running jailbreaks, prompt injections and bias exploits, annotating failures, and producing reproducible reports and datasets. Requires fluent English and Swedish plus prior adversarial/red-teaming experience; fully remote at $48-62/hour.
AI Safety Expert - Fully Remote | Up to $37/task
Fully remote contract role via Mercor, a talent marketplace for AI research labs: evaluate AI-generated content on AI-safety and cybersecurity topics, build evaluation rubrics, and give structured feedback to improve model training data. Paid per task, up to $37 each, worked independently and asynchronously.
AI Safety Expert - Fully Remote | Upto $22/hr
Contract, fully remote role red-teaming conversational AI models for Mercor's AI-lab clients: probing for jailbreaks, prompt injections, and misuse, then annotating failures and documenting attack cases. Requires native fluency in English and Malayalam; pays $16-22/hour.