1,998,145open jobs
118,225companies
248,638added this week
Browse all
Salary
$350k per year
Location
Hybrid (San Francisco, New York, Seattle, Boston, United States)
Visa
No sponsorship (stated in the posting)

Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Jul 18, 2025. Anthropic scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Anthropic is an American artificial intelligence safety and research company founded in 2021 by former OpenAI researchers, among them the siblings Dario and Daniela Amodei. It develops the Claude family of large language models and ships them through a consumer assistant, an enterprise developer platform and the Claude Code agentic coding tool, alongside open standards such as the Model Context Protocol. Incorporated as a public benefit corporation and headquartered in San Francisco, the company concentrates on interpretability, alignment and reliability research and counts Google and Amazon among its largest investors.

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.

Anthropic is at the forefront of AI research, dedicated to developing safe, ethical, and powerful artificial intelligence. Our mission is to ensure that transformative AI systems are aligned with human interests. We are seeking a Research Engineer to join our Pre-training team, responsible for developing the next generation of large language models. In this role, you will work at the intersection of cutting-edge research and practical engineering, contributing to the development of safe, steerable, and trustworthy AI systems.

Key Responsibilities:

  • Conduct research and implement solutions in areas such as model architecture, algorithms, data processing, and optimizer development
  • Independently lead small research projects while collaborating with team members on larger initiatives
  • Design, run, and analyze scientific experiments to advance our understanding of large language models
  • Optimize and scale our training infrastructure to improve efficiency and reliability
  • Develop and improve dev tooling to enhance team productivity
  • Contribute to the entire stack, from low-level optimizations to high-level model design

Qualifications:

  • Advanced degree (MS or PhD) in Computer Science, Machine Learning, or a related field
  • Strong software engineering skills with a proven track record of building complex systems
  • Expertise in Python and experience with deep learning frameworks (PyTorch preferred)
  • Familiarity with large-scale machine learning, particularly in the context of language models
  • Ability to balance research goals with practical engineering constraints
  • Strong problem-solving skills and a results-oriented mindset
  • Excellent communication skills and ability to work in a collaborative environment
  • Care about the societal impacts of your work

Preferred Experience:

  • Work on high-performance, large-scale ML systems
  • Familiarity with GPUs, Kubernetes, and OS internals
  • Experience with language modeling using transformer architectures
  • Knowledge of reinforcement learning techniques
  • Background in large-scale ETL processes

You'll thrive in this role if you:

  • Have significant software engineering experience
  • Are results-oriented with a bias towards flexibility and impact
  • Willingly take on tasks outside your job description to support the team
  • Enjoy pair programming and collaborative work
  • Are eager to learn more about machine learning research
  • Are enthusiastic to work at an organization that functions as a single, cohesive team pursuing large-scale AI research projects
  • Are working to align state of the art models with human values and preferences, understand and interpret deep neural networks, or develop new models to support these areas of research
  • View research and engineering as two sides of the same coin, and seek to understand all aspects of our research program as well as possible, to maximize the impact of your insights
  • Have ambitious goals for AI safety and general progress in the next few years, and you’re working to create the best outcomes over the long-term.

Sample Projects:

  • Optimizing the throughput of novel attention mechanisms
  • Comparing compute efficiency of different Transformer variants
  • Preparing large-scale datasets for efficient model consumption
  • Scaling distributed training jobs to thousands of GPUs
  • Designing fault tolerance strategies for our training infrastructure
  • Creating interactive visualizations of model internals, such as attention patterns

At Anthropic, we are committed to fostering a diverse and inclusive workplace. We strongly encourage applications from candidates of all backgrounds, including those from underrepresented groups in tech.

If you're excited about pushing the boundaries of AI while prioritizing safety and ethics, we want to hear from you!

The annual compensation range for this role is listed below. 

For sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commissions/sales bonuses target and annual base salary for the role.

Annual Salary:

$350,000—$850,000 USD

Logistics

Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience

Required field of study:  A field relevant to the role as demonstrated through coursework, training, or professional experience

Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position

Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.

Visa sponsorship:  We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this.

We encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listed.  Research shows that people who identify as being from underrepresented groups are more prone to experiencing imposter syndrome and doubting the strength of their candidacy, so we urge you not to exclude yourself prematurely and to submit an application if you're interested in this work. We think AI systems like the ones we're building have enormous social and ethical implications. We think this makes representation even more important, and we strive to include a range of diverse perspectives on our team.

Your safety matters to us. To protect yourself from potential scams, remember that Anthropic recruiters only contact you from @anthropic.com email addresses. In some cases, we may partner with vetted recruiting agencies who will identify themselves as working on behalf of Anthropic. Be cautious of emails from other domains. Legitimate Anthropic recruiters will never ask for money, fees, or banking information before your first day. If you're ever unsure about a communication, don't click any links-visit anthropic.com/careers directly for confirmed position openings.

How we're different

We believe that the highest-impact AI research will be big science. At Anthropic we work as a single cohesive team on just a few large-scale research efforts. And we value impact - advancing our long-term goals of steerable, trustworthy AI - rather than work on smaller and more specific puzzles. We view AI research as an empirical science, which has as much in common with physics and biology as with traditional efforts in computer science. We're an extremely collaborative group, and we host frequent research discussions to ensure that we are pursuing the highest-impact work at any given time. As such, we greatly value communication skills.

The easiest way to understand our research directions is to read our recent research. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.

Come work with us!

Anthropic is a public benefit corporation headquartered in San Francisco. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues. Guidance on Candidates' AI Usage:  Learn about  our policy for using AI in our application process.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,998,145 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
San Francisco
≈ $143k – $297k per year (Estimated) • Hybrid • Full-Time • 15+ years exp • Dallas
Databases
Databricks
AI/ML
Model Context Protocol
MLFlow
Knowledge Graph
LLM Guardrails
DevOps
GCP
Azure
AWS
FinOps
Apply
≈ $144k – $278k per year (Estimated) • Hybrid • Top Secret • Full-Time • 10+ years exp • Bachelor's Degree • Chantilly
Python
AI/ML
TensorFlow
PyTorch
DevOps
CI/CD
Apply
≈ $159k – $306k per year (Estimated) • In office • Full-Time • 5+ years exp • San Francisco
Python
Databases
Databricks
AI/ML
AutoGen
LangChain
LlamaIndex
Model Context Protocol
Prompt Engineering
AI Agents
CrewAI
DevOps
GitHub
Apply
Outbound AI Engineer 9 hours ago
$75k – $90k per year • Hybrid • Full-Time • New York
AI/ML
Claude
ChatGPT
AI Agents
Structured Outputs
Agentic Workflows
Apply
≈ $131k – $292k per year (Estimated) • Remote (United States, Canada, Mexico, Costa Rica, Guatemala) • Contractor • Master's Degree
Python
AI/ML
Machine Learning
Apply
≈ $22k – $61k per year (Estimated) • Hybrid • Moscow
Python
SQL
AI/ML
Copilot
ChatGPT
Claude Code
LLM
RAG
Machine Learning
Apply
≈ $54k – $91k per year (Estimated) • Hybrid • Master's Degree • Garching bei München
Python
AI/ML
LLM
Machine Learning
Apply
Data Scientist 2 days ago
≈ $14k – $31k per year (Estimated) • In office • 2+ years exp • Bengaluru
Python
AI/ML
Spark
NLP
Machine Learning
Apply
≈ $28k – $50k per year (Estimated) • In office • Erbusco
Python
MATLAB
AI/ML
DALL-E
Design
SolidWorks
Apply
$34k per year (gross) • In office • Full-Time • Vienna
Python
C#
C#
.NET
Databases
MS SQL
Apply
$275k – $315k per year • Hybrid • 5+ years exp • Bachelor's Degree • San Francisco • Washington
Python
AI/ML
Claude
Claude Code
Multimodal AI
LLM
Anthropic
Interpretability
Machine Learning
Apply
$275k – $315k per year • Hybrid • Secret • 5+ years exp • Bachelor's Degree • Washington
Python
AI/ML
Claude
Claude Code
Multimodal AI
LLM
Anthropic
Interpretability
Machine Learning
Apply
$500k per year • Hybrid • Bachelor's Degree • San Francisco
AI/ML
Claude
Reinforcement Learning
Multimodal AI
Anthropic
Red Teaming
Interpretability
Chips/EDA
UVM
Apply
$240k – $315k per year • Hybrid • Bachelor's Degree • San Francisco
Python
TypeScript
AI/ML
Claude
Claude Code
Model Context Protocol
Multimodal AI
Function Calling
AI Agents
LLM
Synthetic Data
Anthropic
OpenAI Agents SDK
Interpretability
Apply
$300k – $400k per year • Hybrid • 5+ years exp • Bachelor's Degree • San Francisco
Python
AI/ML
Claude
Multimodal AI
LLM
Anthropic
Interpretability
DevOps
CI/CD
Apply
$250k – $405k per year • In office • Full-Time • San Francisco
Python
Rust
TypeScript
AI/ML
Reinforcement Learning
Multimodal AI
AI Agents
Perplexity
QA
Playwright
Apply
≈ $153k – $296k per year (Estimated) • Hybrid • Full-Time • 3+ years exp • San Francisco
Python
Go
JavaScript
Rust
TypeScript
Frontend
Turborepo
DevOps
GitHub Actions
CircleCI
CI/CD
Buildkite
Bazel
Cybersecurity
SLSA
Sigstore
Apply
≈ $123k – $246k per year (Estimated) • In office • 6+ years exp • Bachelor's Degree • San Francisco
DevOps
GCP
Apply
$101k – $115k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • McLean • San Francisco • Richmond • Chicago • New York
SQL
AI/ML
Machine Learning
Apply
Founding Engineer 1 day ago
≈ $120k – $258k per year (Estimated) • Remote (United States) • San Francisco • New York
Go
JavaScript
Node JS
Databases
PostgreSQL
Frontend
React.js
DevOps
AWS
Amazon EC2
GitHub
Amazon S3
Amazon ECS
Web3
Ethers.js
Ethereum
DeFi
Apply
See all jobs
This is one of many
1,998,145 more open roles from verified company boards, updated every day.