Portfolio jobs

Discover opportunities with Lionheart Ventures and our portfolio companies.

On-site & Remote

Showing 16 jobs
Anthropic

Infrastructure Engineer, Sandboxing

San Francisco, CA, USA; New York, NY, USA; Seattle, WA, USA

USD 300k-405k / year + Equity

4 days
Mid-Senior Level
Anthropic

Research Engineer, Interpretability

San Francisco, CA, USA

USD 315k-560k / year + Equity

1 month
Mid-Senior Level
Anthropic

Research Scientist, Interpretability

San Francisco, CA, USA

USD 315k-560k / year + Equity

1 month
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer, Research Tools

San Francisco, CA, USA; New York, USA; Seattle, WA, USA

USD 320k-405k / year + Equity

2 months
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer, RL Engineering

San Francisco, CA, USA; New York, USA; Seattle, WA, USA

USD 300k-405k / year + Equity

2 months
Mid-Senior Level
Anthropic

Research Engineer / Research Scientist, Tokens

San Francisco, CA, USA; Seattle, WA, USA

USD 340k-425k / year + Equity

2 months
Mid-Senior Level
Anthropic

Machine Learning Engineer, Safeguards

San Francisco, CA, USA; New York, NY, USA

USD 315k-425k / year + Equity

2 months
Mid-Senior Level
Anthropic

Performance Engineer, GPU

San Francisco, CA, USA; New York, NY, USA; Seattle, WA, USA

USD 315k-560k / year

3 months
Mid-Senior Level
Anthropic

Software Engineer, Claude Code

San Francisco, CA, USA; Seattle, WA, USA

USD 320k-560k / year

5 months
Mid-Senior Level
Anthropic

TPU Kernel Engineer

San Francisco, CA, USA; New York, NY, USA; Seattle, WA, USA

USD 315k-560k / year

7 months
Mid-Senior Level