Portfolio jobs

Discover opportunities with Lionheart Ventures and our portfolio companies.

On-site & Remote

Showing 18 jobs
Anthropic

Research Engineer, Model Performance & Quality

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

USD 315k-340k / year

1 month
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Claude Code

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

USD 320k-560k / year

1 month
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, CLIO

San Francisco, CA, USA

USD 320k-405k / year

1 month
1001 - 5000 employees
Senior
Anthropic

Data Scientist, Platform (Reliability/Latency/Inference)

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

USD 275k-355k / year

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

ML Infrastructure Engineer, Safeguards

San Francisco, CA, USA

USD 300k-405k / year

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

TPU Kernel Engineer

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

USD 315k-560k / year

3 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Staff Research Engineer, Discovery Team

San Francisco, CA, USA

USD 315k-560k / year

4 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, Machine Learning (Horizons)

San Francisco, CA, USA; New York, USA

USD 340k-690k / year + Equity

5 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, Production Model Post Training

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

USD 315k-510k / year

5 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer, Research Tools

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

USD 300k-405k / year

6 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Safeguards

San Francisco, CA, USA; New York, NY, USA
6+ months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Product (Full Stack)

San Francisco, CA, USA; New York, NY, USA
6+ months
1001 - 5000 employees
Mid-Senior Level