Looking for staff software engineer jobs in the USA with visa sponsorship? Anthropic is hiring a Staff Software Engineer, Code RL in San Francisco, New York or Seattle.

Photo: Software engineering laboratory via Wikimedia Commons.
Staff Software Engineer Jobs in the USA: Overview
| Job Title | Staff Software Engineer, Code RL |
| Employer | Anthropic |
| Location | San Francisco, New York or Seattle |
| Salary | $405,000–$625,000 per year |
| Job Type | Full-time, hybrid (at least 25% in office) |
| Experience | Deep expertise in Python and API/framework design |
| Visa Sponsorship | Sponsorship is not guaranteed for every role or candidate, but the company states it will work with a successful applicant to find the right visa route |
| Closing Date | Not specified in the available job information |
About the Employer
Anthropic is a public benefit corporation building reliable, interpretable and steerable AI systems. The company focuses on AI safety and is headquartered in San Francisco with offices in other US cities.
Job Responsibilities
- Design widely-used APIs, frameworks and abstractions for reinforcement learning environments
- Embed with research teams on a rotational basis and transfer ownership of systems
- Improve reliability and structure in research codebases without slowing research
- Anticipate and prevent silent failure modes through type safety, testing and design
- Contribute to the reliability of production RL systems including monitoring and triage
- Help define engineering standards and mentor researchers and engineers
Requirements
- Essential: Deep expertise in Python, including static typing, async and concurrency patterns
- Essential: Track record of designing intuitive APIs or frameworks adopted by other teams
- Essential: Experience working in large, evolving or research-style codebases
- Essential: Ability to anticipate failure modes and strong communication skills
- Preferred: Experience with ML research infrastructure, RL, large-scale distributed systems or client libraries
Visa Sponsorship and International Applicants
Sponsorship is not guaranteed for every role or candidate, but the company states it will work with a successful applicant to find the right visa route. Anthropic retains an immigration lawyer and will make every reasonable effort if an offer is made. The role is hybrid with at least 25% office time in one of the listed locations.
Salary and Benefits
- Annual salary range $405,000–$625,000
- Competitive compensation and benefits
- Optional equity donation matching, generous vacation and parental leave
- Flexible working hours
- High salary range
- Visa sponsorship effort confirmed
- AI safety focus
- Sponsorship not guaranteed for every candidate
- Hybrid office requirement
- Competitive senior role
How to Apply
Apply through Greenhouse. Submit a resume/CV. A cover letter is optional. Review Anthropic’s guidance on candidates’ AI usage before applying.
Application Tips
- Highlight experience designing APIs or frameworks used by other engineers
- Describe work in research or rapidly evolving codebases
Browse more Technology Jobs and USA Jobs on CMAJobs.








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