Portfolio jobs

Discover opportunities with Lionheart Ventures and our portfolio companies.

On-site & Remote

Showing 242 jobs
Calm

Data Engineer

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

USD 147k-210k / year + Equity

Today
201 - 1000 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

Today
1001 - 5000 employees
Mid-Senior Level
Anthropic

Machine Learning, Research Engineer (Horizons)

San Francisco, CA, USA; New York, USA

USD 340k-690k / year + Equity

Today
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, Reward Models

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

USD 315k-510k / year

Today
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Human Feedback Interface

San Francisco, CA, USA

USD 300k-405k / year

2 days
1001 - 5000 employees
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer - Data & Evaluation, Horizons

San Francisco, CA, USA; New York, USA

USD 300k-425k / year + Equity

2 days
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Account Abuse

San Francisco, CA, USA

USD 300k-405k / year

2 days
1001 - 5000 employees
Mid-Senior Level
Anthropic

Senior Software Engineer, Corporate Engineering

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

USD 320k-320k / year

2 days
1001 - 5000 employees
Senior
Calm

Senior and Staff Backend Software Engineer - Evergreen

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

USD 159k-259.7k / year + Equity

2 days
201 - 1000 employees
Senior
Anthropic

TPU Kernel Engineer

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

USD 315k-560k / year

5 days
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Inference Scalability and Capability

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

USD 300k-405k / year

5 days
1001 - 5000 employees
Mid-Senior Level
Anthropic

Data Operations Manager

San Francisco, CA, USA

USD 270k-290k / year

6 days
1001 - 5000 employees
Mid-Senior Level