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AI Research Scientist / Machine Learning Engineer (PhD) [33320]

Stealth Startup

Location

San Francisco, CA

Salary

Not specified

Type

fulltime

Posted

Today

via linkedin

Job Description

We are seeking a

PhD-level AI Research Scientist or Machine Learning Engineer

to develop cutting-edge AI and machine learning solutions that power next-generation products. You will work at the intersection of research and engineering, transforming advanced ML techniques into scalable, production-ready systems.

This role is open to:

  • PhD graduates with 4\+ years of industry experience

in AI, machine learning, or applied research.

  • Machine Learning Engineers with a PhD and 1–2 years of professional ML engineering experience

, provided they have demonstrated success deploying production ML systems.

Responsibilities

  • Research, design, and develop advanced machine learning and AI models.
  • Build and deploy production-ready ML systems and inference pipelines.
  • Collaborate with software engineers to integrate AI capabilities into customer-facing products.
  • Optimize model accuracy, efficiency, and scalability.
  • Develop data pipelines, model evaluation frameworks, and experimentation workflows.
  • Stay current with the latest advancements in machine learning, deep learning, LLMs, and generative AI.
  • Mentor engineers and contribute to technical strategy and architecture.
  • Publish or present research where appropriate and translate research into business impact.

Qualifications

  • PhD in Computer Science, Machine Learning, Artificial Intelligence, Robotics, Statistics, Applied Mathematics, or a related quantitative field.
  • 4\+ years of industry experience

in AI/ML research or engineering

OR

  • 1–2 years of experience as a Machine Learning Engineer

with proven experience deploying ML models into production.

  • Strong programming skills in

Python

and experience with

C\+\+

,

Java

, or

Go

.

  • Hands-on experience with

PyTorch

,

TensorFlow

, or

JAX

.

  • Experience building scalable ML pipelines and distributed training or inference systems.
  • Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization technologies.
  • Strong understanding of algorithms, deep learning, and software engineering best practices.

Preferred Qualifications

  • Experience with Large Language Models (LLMs), generative AI, multimodal models, or reinforcement learning.
  • Experience with distributed systems, MLOps, Kubernetes, Docker, and CI/CD.
  • Publications at leading AI conferences (e.g., NeurIPS, ICML, ICLR, CVPR, ACL) are a plus.
  • Startup or high-growth technology company experience.
  • Strong communication skills with the ability to collaborate across research and engineering teams.

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