About us

• At Sierra, we’re creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney.
• We are guided by…

What We’re Building

Ares is the newest product under Fountain Platform, focused on building a high-performance social trading platform for decentralized markets.

We believe trading has evolved. It’s no longer solitary — it’s cultural, real-time, and driven by memes, narratives, and reflexive attention…

About Arize

AI is rapidly transforming the world. As generative AI reshapes industries, teams need powerful ways to monitor, troubleshoot, and optimize their AI systems. That’s where we come in. Arize AI is the leading AI & Agent Engineering observability and evaluation platform, empowering AI enginee…

Who is Risk Labs?

Risk Labs is the foundation and core team behind UMA and Across. The Risk Labs team operates as one cohesive culture, but focuses on two core protocols: UMA and Across. UMA and Across are decentralised protocols governed by community members across the globe in DAOs, and are support…

About CoW DAO

CoW DAOis on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades for opt…

About Vercel:

Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.

Our mission is to enable th…

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working toge…

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working toge…

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working toge…

About the role

Muon Space is leveraging our proprietary constellation of Earth-observation satellites to monitor and address climate change and growing customer needs, and we need a Software Platform Engineer to build the infrastructure that powers all of our engineering teams. As a key member of our…