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Anthropic
Posted 26 days agoVerified live 1d ago

Anthropic Fellows Program, ML Systems & Reinforcement Learning

Brief overview

Remote
$4k/wkStated minimum
129 H-1B approvalsDept. of Labor
PythonMachine Learning SystemsDistributed SystemsHigh-Performance ComputingLarge Language ModelsReinforcement LearningModel Training Analysis and Debugging

About the company

Anthropic logo
Anthropicanthropic.com

Anthropic is an AI research company that focuses on the safety and alignment of AI systems with human values.

Visa sponsorship history

4 years sponsoring, last filed FY2026

Data powered by U.S. Department of Labor. This does not guarantee sponsorship for this specific role.
129H-1B approved
97%approval rate
40new H-1B hires
$186,648median wage / yr
H-1B Petition ApprovalsVisas USCIS actually granted: the strongest sign the company sponsors.
20233
202435
202576
202615
LCA Certified ApplicationsAn early filing step, not a visa approval: it signals intent, not confirmed sponsorship.
20231
202411
202552
202650
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Job description

Summary

Anthropic is a public benefit corporation focused on creating reliable, interpretable, and steerable AI systems that are safe and beneficial for society. The Anthropic Fellows Program provides four months of full-time research, mentorship, workspace access, and funding for empirical projects in ML systems, performance, and reinforcement learning, with the goal of producing public research outputs.

Responsibilities

  • Building a CPU simulator for accelerator workloads
  • Adding backends for different accelerators on an open source project
  • Building on demand infrastructure for other infrastructure heavy fellows projects
  • Building complex synthetic data or environment pipelines
  • Building model-based tools to better understand AI training data and improve training data quality
  • A research project to better understand generalization
  • Creating RL environments to improve Claude models at capabilities that are within your domain of expertise
  • Building RL environments for safety-related tasks
  • Conducting research and implementing solutions in areas such as RL algorithms

Skills

  • * Have strong software engineering skills with experience building complex ML systems
  • * Can balance research exploration with engineering rigor and operational reliability
  • * Enjoy collaborating across research and engineering disciplines
  • * Are comfortable working with large-scale distributed systems and high-performance computing (e.g. in trading)
  • * Have experience with training, fine-tuning, or evaluating large language models
  • * Are adept at analyzing and debugging model training processes
  • * Are motivated by making sure AI is safe and beneficial for society as a whole
  • * Are excited to transition into empirical AI research and would be interested in a full-time role at Anthropic
  • * Have a strong technical background in computer science, mathematics, or physics
  • * Thrive in fast-paced, collaborative environments
  • * Can implement ideas quickly and communicate clearly
  • * Fluent in Python programming
  • * Available to work full-time on the Fellows program
  • * Have strong software engineering skills with experience building complex ML systems
  • * Can balance research exploration with engineering rigor and operational reliability
  • * Enjoy collaborating across research and engineering disciplines
  • * Are comfortable working with large-scale distributed systems and high-performance computing
  • * Have experience with training, fine-tuning, or evaluating large language models
  • * Are adept at analyzing and debugging model training processes
  • Logistics Requirements:** To participate in the Fellows program, you must have work authorization in the US, UK, or Canada and be located in that country during the program
  • **Workspace Locations:** We have designated shared workspaces in SF. **We are also open to remote fellows in the UK, US, or Canada
  • **Visa Sponsorship:** We are **not** currently able to sponsor visas for fellows. To participate in the Fellows program, you need to have or independently obtain full-time work authorization in the UK, the US, or Canada
  • **Program Duration:** The program runs for 4 months, full-time. If you can't commit to the full duration, please still apply and note your constraints in the application. We review these requests on a case-by-case basis

Qualifications

Must Haves

  • * Have strong software engineering skills with experience building complex ML systems
  • * Can balance research exploration with engineering rigor and operational reliability
  • * Enjoy collaborating across research and engineering disciplines
  • * Are comfortable working with large-scale distributed systems and high-performance computing (e.g. in trading)
  • * Have experience with training, fine-tuning, or evaluating large language models
  • * Are adept at analyzing and debugging model training processes
  • * Are motivated by making sure AI is safe and beneficial for society as a whole
  • * Are excited to transition into empirical AI research and would be interested in a full-time role at Anthropic
  • * Have a strong technical background in computer science, mathematics, or physics
  • * Thrive in fast-paced, collaborative environments
  • * Can implement ideas quickly and communicate clearly
  • * Fluent in Python programming
  • * Available to work full-time on the Fellows program
  • * Have strong software engineering skills with experience building complex ML systems
  • * Can balance research exploration with engineering rigor and operational reliability
  • * Enjoy collaborating across research and engineering disciplines
  • * Are comfortable working with large-scale distributed systems and high-performance computing
  • * Have experience with training, fine-tuning, or evaluating large language models
  • * Are adept at analyzing and debugging model training processes
  • Logistics Requirements:** To participate in the Fellows program, you must have work authorization in the US, UK, or Canada and be located in that country during the program
  • **Workspace Locations:** We have designated shared workspaces in SF. **We are also open to remote fellows in the UK, US, or Canada
  • **Visa Sponsorship:** We are **not** currently able to sponsor visas for fellows. To participate in the Fellows program, you need to have or independently obtain full-time work authorization in the UK, the US, or Canada
  • **Program Duration:** The program runs for 4 months, full-time. If you can't commit to the full duration, please still apply and note your constraints in the application. We review these requests on a case-by-case basis

Benefits

  • Direct mentorship from Anthropic researchers
  • Access to a shared workspace
  • Connection to the broader AI safety and security research community
  • Funding for compute (~$15k/month) and other research expenses
  • We are also open to remote fellows in the UK, US, or Canada

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