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339 jobs

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339 jobs Posted Sort

Principal Machine Learning Engineer- LLM Fine-tuning and Optimization

Likely evergreen RemoteNorth AmericaPrincipal H-1B sponsor history

A principal-level ML engineer who fine-tunes and optimizes state-of-the-art LLMs for Airbnb's customer support AI products (assistants, agents, travel planning), owning model alignment, evaluation, and high-performance batch and real-time deployment on Airbnb's ML infrastructure. Core stack: Python, PyTorch, LLM post-training, and inference/runtime optimization.

Agile AI Automation Data Science Fine Tuning +10 skills

292K – 365K $

Definitive Healthcare, US

Principal Machine Learning Operations Engineer

NewBe an early applicant RemoteNorth AmericaPrincipal

About Definitive Healthcare : At Definitive Healthcare (NASDAQ: DH), we’re passionate about turning data, analytics, and expertise into meaningful intelligence that helps our customers achieve success and shape the…

Agentic AI Agile AI Analytics Automation +17 skills

Principal Machine Learning Infrastructure Engineer, Ads & Discovery

Open 52d North AmericaFull-timePrincipal

Principal ML Infrastructure Engineer at Roblox builds and scales the machine learning systems that power ads and discovery for hundreds of millions of users, using large-scale training, inference, and feature pipelines.

Agentic AI AI CUDA Data Pipelines Distributed Training +6 skills

294K – 343K $

Principal Machine Learning Engineer, Embodied AI and Smart NPCs

Open 98d North AmericaFull-timePrincipal

Lead ML research and engineering for embodied AI agents that play and create games on Roblox, using reinforcement and imitation learning to build real-time 3D gameplay agents.

AI C++ C# Deep Learning Machine Learning +4 skills

345K – 399K $

Principal Machine Learning Engineer, Asset Safety

Open 60d North AmericaFull-timePrincipal

Principal Machine Learning Engineer at Roblox defining the 3-5 year technical strategy for machine learning-based content moderation systems to proactively detect and mitigate harmful user-generated content at massive scale using computer vision and vision-language models.

AI Computer Vision Data Pipelines Data Science Machine Learning +2 skills

295K – 345K $

Principal Machine Learning Engineer, Alt Defense

NewBe an early applicant North AmericaFull-timePrincipal

Technical lead for Roblox's Alt Defense pod, architecting large-scale ML systems (graph neural networks, clustering) that detect banned bad actors returning with alternate accounts across billions of accounts, in near real time. Onsite in San Mateo, working with Python-scale ML, big data, and low-latency serving.

AI Automation Machine Learning Neural Networks

329K – 399K $

Principal Machine Learning Engineer

NewBe an early applicant North AmericaPrincipal

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With…

AI Automation Embeddings Feature Engineering Go-to-Market +8 skills

Staff/Principal Machine Learning Engineer

Open 93d RemoteNorth AmericaPrincipal

Principal Machine Learning Engineer at Upstart builds and scales AI-driven credit underwriting infrastructure, designing ML platforms that accelerate model development and deployment for a fintech lending marketplace.

AI CAD CUDA Data Engineering Embeddings +10 skills

221K – 300K $

Cambridge Mobile Telematics

Principal Site Reliability Engineer, Machine Learning

Open 55d HybridMENAPrincipal H-1B sponsor history

CMT is looking for a Principal Site Reliability Engineer I, Machine Learning to help us change the world. CMT has helped protect over 65 million drivers and prevent over 126,000 crashes worldwide. We build AI to solve…

AI Aurora AWS CI/CD CloudWatch +21 skills

Principal Machine Learning Engineer

NewBe an early applicant RemoteNorth AmericaPrincipal

Overview Working at Atlassian Atlassians can choose where they work – whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals,…

Agentic AI Atlassian

WD Media (Singapore) Pte Ltd

Principal Engineer - Machine Learning

NewBe an early applicant On-siteAPACFull-timePrincipal

Company Description WD is building the infrastructure behind the AI-driven data economy. As AI scales, so does data. Every interaction, every model, every system generates data that must be stored, managed, and made…

AI Anomaly Detection AWS CI/CD Cloud +18 skills

CBRE Group, Inc.

Principal Cloud Engineer - AI/ML FinOps & Data Pipelines

NewBe an early applicant UKPrincipal

CBRE Group, Inc. in London is seeking a Principal Terraform Cloud Engineer to lead data pipelines, AI/ML integration, and cloud cost management solutions. You will drive end-to-end data engineering, model development,…

AI Analytics Cloud Data Engineering Data Pipelines +6 skills

Principal Software Engineer, Machine Learning

NewBe an early applicant North AmericaFull-timePrincipal

Attentive® is the AI marketing platform for 1:1 personalization redefining the way brands and people connect. We’re the only marketing platform that combines powerful technology with human expertise to build authentic…

AI Airflow Automation AWS Cloud +30 skills

Principal Engineer, AI/ML Security

NewBe an early applicant RemoteNorth AmericaPrincipal

Leads DigitalOcean's AI/ML security: owns the AI security strategy and multi-year roadmap, builds in-house ML guardrails and security tooling, runs AI red-teaming and threat modeling across the ML lifecycle, and owns AI risk & governance. Core stack: Python, Go, adversarial ML, LLM/RAG security, MITRE ATLAS and NIST AI RMF.

Agentic AI AI API Automation Cloud +11 skills

230K – 288K $

Cambridge Mobile Telematics

Principal Machine Learning Engineer

NewBe an early applicant MENAPrincipal

As a Principal Machine Learning Engineer I, you will design, build, and operate production ML systems at scale. You will turn advanced models for sequential and multi-modal data into reliable products that power risk…

AI Airflow Athena AWS Azure +20 skills

Principal Machine Learning Engineer, Ads & Promos Delivery

Open 96d RemoteNorth AmericaPrincipal

Lead AI-driven ranking and relevance systems for DoorDash’s ads marketplace, designing and deploying ML/LLM models to personalize ad delivery in real time across global markets.

A/B Testing AI Analytics Claude Code C++ +13 skills

269K – 395K $

Principal Machine Learning Engineer, TEAM

NewBe an early applicant RemoteNorth AmericaPrincipal

About the Team DoorDash is building the next generation of causal decisioning systems for New Verticals: grocery, convenience, retail, alcohol, pets, flowers, and other emerging categories. These businesses operate in…

Analytics Causal Inference Machine Learning

Senior Principal Machine Learning Engineer - Optimization

Open 85d RemoteNorth AmericaPrincipal H-1B sponsor history

Build and improve ML models for ad-campaign optimization, ranking, bidding, and forecasting to maximize performance metrics like CTR, ROAS, and CPA at scale.

A/B Testing AI Analytics E-commerce Fintech +10 skills

260K – 330K $

Principal Product Manager - AI/ML

NewBe an early applicant RemoteNorth AmericaFull-timePrincipal

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Product Manager - AI/ML based in the United States. This role will lead the…

AI Data Science Gdpr Machine Learning User Stories

Principal Machine Learning Engineer, SecureAI

NewBe an early applicant North AmericaPrincipal

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era.…

Agentic AI AI Airflow Anthropic API +24 skills