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



Principal Machine Learning Platform Engineer, Foundation AI
Principal engineer who owns Roblox's internal ML platform as a product — building serving layers, model registries, pipeline orchestrators, and training/inference control planes exposed via APIs, SDKs, CLIs, and UIs. Blends backend engineering, developer experience, and large-scale GPU infrastructure work.



[2027] Senior Machine Learning Engineer - PhD Early Career
Roblox is hiring a PhD-level senior machine learning engineer to take research projects end-to-end — from ideation through production deployment of deep learning, generative AI, multimodal, CV, NLP, and recommendation models that power the platform for hundreds of millions of daily users.
Principal Machine Learning Engineer - Matchmaking
Principal ML engineer owning the technical vision for Roblox's matchmaking: defining objective functions and building ranking, prediction, and player-to-server assignment algorithms that optimize player experience, developer success, and system efficiency at massive scale. Onsite in San Mateo Tue–Thu; base pay $295,250–$345,040 plus equity.
Senior Software Engineer (Machine Learning) - Economy ML
Builds and operates the ML infrastructure and backend services behind Roblox's virtual economy — training, serving, and integrating ranking, recommendation, and pricing models across Marketplace, Payments, and Developer Monetization. Core stack: Python, PyTorch, GPU training/serving, and Spark/Flink/Kafka pipelines. Onsite Tue–Thu in San Mateo, CA.
Senior Machine Learning Infrastructure Engineer, Matchmaking
Builds and operates large-scale ML infrastructure powering Roblox's matchmaking: real-time streaming data pipelines, online/continual learning, and low-latency training and serving at tens of billions of scorings. Core stack includes Kafka, Flink, Spark, Ray, and feature stores like Redis, Feast, Tecton, and Cassandra. Based in San Mateo, CA (onsite Tue-Thu).


Machine Learning Engineer, Ads
Builds and optimizes AI-powered advertising systems using Grok models for candidate selection, ranking, auctions, and campaign optimization in a high-throughput, revenue-driving role.


Machine Learning Engineer, Recommendation Systems
Builds and optimizes AI-powered recommendation systems for a platform used by 600M monthly users, focusing on ranking algorithms, search, and scalable ML pipelines.
Principal Machine Learning Engineer
About us Re-architecting Engineering for the Age of Intelligence PhysicsX is the physics AI company for industrials. The company’s mission is to accelerate hardware innovation by overhauling what industrial engineering…
Junior Machine Learning Engineer
Job Description Key Responsibilities \n \n Develop, train, evaluate, and optimize machine learning models. \n Prepare, clean, and analyze datasets for ML applications. \n Implement machine learning algorithms using…
Staff Machine Learning Engineer — Commerce & Growth Intelligence
The Commerce & Growth Intelligence team is looking for a Staff Machine Learning Engineer to build the systems that bring ML capabilities into customer-facing products. Our work spans model inference, distributed ML…
Principal Machine Learning Engineer (EO/IR Image Analysis)
Principal ML Engineer at Rocket Lab's Optical Systems division in Long Beach, CA, building deep learning neural networks and ML pipelines for EO/IR image processing in support of U.S. Space Development Agency defense programs. Daily work spans model design, training, validation, and deployment using Python and frameworks like PyTorch, TensorFlow, and Keras.
Principal Machine Learning Engineer (EO/IR Image Analysis)
Rocket Lab's Optical Systems division in Tucson, AZ is hiring a Principal ML Engineer to build deep learning neural networks for EO/IR satellite image processing, supporting the U.S. Space Development Agency's PWSA Tranche 3. Day to day: design, train, and deploy computer vision models (detection, segmentation, tracking) and maintain ML pipelines using Python and frameworks like PyTorch/TensorFlow
Senior Machine Learning Engineer II (EO/IR Image Analysis)
Designs, trains, and deploys deep learning models and ML pipelines for electro-optical/infrared (EO/IR) satellite image analysis, supporting the U.S. Space Development Agency's PWSA Tranche 3 program at Rocket Lab Optical Systems in Tucson, AZ. Day-to-day work spans computer vision prototyping, training/inference pipelines, and Python-based deep learning.
Senior Machine Learning Engineer II (EO/IR Image Analysis)
Senior Machine Learning Engineer II building deep learning neural networks for Electro-Optical/Infrared (EO/IR) image processing to support the U.S. Space Development Agency's PWSA Tranche 3. Day-to-day work involves designing, training, and deploying computer vision models and maintaining ML pipelines using Python and frameworks like PyTorch/TensorFlow at Rocket Lab Optical Systems in Long Beach,

Senior Machine Learning Engineer
Senior individual contributor on the Data team designing, building, and operating production ML systems for personalization, recommendations, decisioning, and experimentation at Kard, a commerce media network linking financial institutions and merchants. Work spans the full ML lifecycle using Python, Spark/Databricks, MLflow, and AWS/Kubernetes tooling.
Senior Staff Software Engineer - AI/ML Inference Engineering
What you get to do in this role: About the team - The AI Services Platform Group at ServiceNow is a customer-focused innovation group building intelligent software and smart user experiences using existing and latest…
Senior Staff Software Engineer - AI/ML Inference Engineering
What you get to do in this role: About the team - The AI Services Platform Group at ServiceNow is a customer-focused innovation group building intelligent software and smart user experiences using existing and latest…
Staff Machine Learning Engineer, Homefeed
Staff ML engineer on Pinterest's Retrieval team building Reflex — LLM agents that automate recommendation R&D (hypothesis generation, implementation, experiments, learning) — plus generative retrieval and Semantic ID work for the Homefeed. Combines applied AI research, production engineering and technical leadership; remote anywhere in the US.