HQ: Berkeley, United States • Recommendation Systems • Marketing & Sales AI • Est. 2017 • Trust B • Hiring 15
Arena is a technology company that develops artificial intelligence based software to enhance customer engagement and real time data experiences for online businesses. Its products are used to personalise user interactions, increase retention, and improve analytics across digital platforms.
Brian Hersman · Executive Officer, Director · decision-maker
Kathy Fields · Executive Officer · decision-maker
Suken Vakil · Executive Officer, Director · decision-maker
Craig Livingston · Director
No careers mailbox known
≈ $203k – $445k per year (Estimated) • In office (San Francisco, United States) • PhD • Full-Time
Python
AI/ML
Fine-tuning
RLHF
Reinforcement Learning
JAX
Diffusion Models
AI Agents
NLP
Transformers
TensorFlow
PyTorch
Contrastive Learning
DPO
Edge AI
Reward Modeling
Machine Learning
+8
HQ: San Francisco, United States • Molecular Diagnostics • Drug Discovery • 51-200 employees • Est. 2023 • Startup • Trust B • Hiring 3
Tahoe Therapeutics generates very large single-cell perturbation datasets to train foundation models of how cells respond to drugs. Founded in 2023 in San Francisco, it released the Tahoe-100M dataset openly to the research community. Its models aim to predict drug effects across cancer cell contexts before laboratory testing.
No named decision-maker yet.
Careers mailbox is known
$200k – $275k per year • Senior • In office (South San Francisco, United States) • PhD • Senior
JAX
SciPy
Multimodal AI
TensorFlow
Pandas
NumPy
PyTorch
Machine Learning
Flash Attention
Self-Supervised Learning
Contrastive Learning
FSDP
+4
HQ: Zurich, Switzerland • Robotics AI • Logistics & Warehouse Robotics • 201-500 employees • Est. 2023 • Trust B • Hiring 32
RIVR (formerly Swiss-Mile, legally incorporated in Zurich, Switzerland) is a physical AI and autonomous robotics enterprise spun out of ETH Zurich's Robotic Systems Lab. Founded in 2023 by Marko Bjelonic, Lorenz Wellhausen, Giorgio Valsecchi, and Alexander Reske, the venture raised over $26 million from high-profile backers including Bezos Expeditions and the Amazon Industrial Innovation Fund, before being acquired by Amazon in March 2026.
No named decision-maker yet.
Careers mailbox is known
≈ $116k – $299k per year (Estimated) • Senior • 3+ years exp • In office (Zurich, Switzerland) • Master's Degree • Full-Time • Senior
Python
AI/ML
DVC
Spark
Reinforcement Learning
Kubeflow
PyTorch
Self-Supervised Learning
Contrastive Learning
Anomaly Detection
Vision-Language-Action
World Models
Machine Learning
Diffusion Models
Data Augmentation
Robotics
Imitation Learning
Reinforcement Learning
+8
HQ: San Francisco, United States • Artificial Intelligence • Code Intelligence • Generative Video • Conversational AI • AI Research Labs • Foundation Models • LLM & Generative AI • 5000+ employees • Est. 2015 • Trust B • Hiring 791, 47 new
OpenAI is an American artificial intelligence research and deployment company founded in 2015 with the mission of ensuring that artificial general intelligence benefits all of humanity. It develops the GPT family of large language models and turns them into consumer and developer products, including the ChatGPT assistant, the Sora video model, the Codex coding agent and a commercial API used by millions of developers. Structured as a public benefit corporation controlled by a non-profit foundation, the company is backed by Microsoft and SoftBank and operates from San Francisco.
Greg Brockman · Co-Founder & President · decision-maker
Sam Altman · Co-Founder & Chief Executive Officer · decision-maker
Jakub Pachocki · Chief Scientist · decision-maker
Brad Lightcap · Chief Operating Officer · decision-maker
No careers mailbox known
$380k – $850k per year • Hybrid (San Francisco, United States) • Relocation • Full-Time
Embeddings
Contrastive Learning
OpenAI
Machine Learning
AI Agents
