a16z portfolio
Thinking Machines Lab
AI research lab behind Tinker, an API for fine-tuning and RL-training open-weight models while your code controls the loop. Publishes research on its Connectionism blog.
58 open roles
Business Recruiter
Product Management Recruiter
Technical Recruiter: Security
Technical Recruiter
Head of Revenue Operations
Brand Designer
Recruiting Coordinator
Software Engineer, Privacy & Data Governance
Security Engineer, Detection & Response
Software Engineer, Security
Infrastructure Engineer, Security
Tinkerer
Research, Tinker, RL Systems
GTM Recruiter
Technical Program Manager, Supercomputing
Software Engineer, Inference
Software Engineer, Infrastructure
Model Designer
Executive Business Partner, Operations
Developer Relations Engineer
People Operations
Research Engineer, Web Crawling
Software Engineer, Sandboxing
Research, Mid Training
Global Public Policy
Product Policy
Research, Finetuning Science
Research Lead, Tinker, Fine-tuning Science
Research Software Engineer, Post Training
Research Product Manager
Software Engineer, Product
Site Reliability Engineer, Post Training
Site Reliability Engineer, Production
Software Engineer, Evaluation Platform / Infra
Software Engineer, Research Tools
Research, General Agents
Research, Coding Agents
Research, Post-Training Evals
Data Partnerships
Research, Safety
Research, RL Scaling
Governance, Risk and Compliance Lead
Safety Operations Lead
HR Business Partner
Research Engineer, Infrastructure, Inference
Software Engineer, Systems Generalist
Engineering Manager
Research, Pre-Training Data
Technical Sourcer
Research, Audio Expertise
Research Engineer, Infrastructure, Numerics
Research, Vision Expertise
Product Manager
Software Engineer, Supercomputing
Research Engineer, Infrastructure, Kernels
Research Engineer, Infrastructure, Training Systems
Reliability Engineer, Supercomputing
Network Engineer, Supercomputing