Portfolio jobs

Discover opportunities with Lionheart Ventures and our portfolio companies.

On-site & Remote

Showing 22 jobs
Anthropic

Software Engineer, ML Performance and Scaling

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

USD 315k-560k / year + Equity

1 month
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, Pretraining (ML Infra)

San Francisco, CA, USA

USD 315k-425k / year

1 month
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Scientist, Tokens (Multimodal)

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

USD 280k-425k / year

1 month
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Safeguards Research

San Francisco, CA, USA

USD 300k-405k / year

2 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

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Human Feedback Interface

San Francisco, CA, USA

USD 300k-405k / year

2 months
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 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Desktop (Electron)

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

USD 320k-405k / year

2 months
1001 - 5000 employees
Senior
Anthropic

Software Engineer, Model Context Protocol

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

USD 320k-560k / year

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer, Encodings and Tokenization

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

USD 300k-405k / year

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Machine Learning Systems Engineer, Model APIs

San Francisco, CA, USA

USD 300k-405k / year

2 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Software Engineer, Platform

San Francisco, CA, USA; New York, USA

USD 320k-405k / year

3 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Research Engineer, Tokens (Pre-training)

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

USD 280k-425k / year + Equity

3 months
1001 - 5000 employees
Mid-Senior Level
Anthropic

Staff Engineer, Data Infra

San Francisco, CA, USA

USD 300k-340k / year

6 months
1001 - 5000 employees
Mid-Senior Level