Viam is an open source robotics and AI developer platform (founded by a former MongoDB co-founder/CTO). Company ~100 people (~70 engineers) with backend-focused teams (Core Services, Infrastructure, Motion Planning, Platform/Server). Role is NYC-bas…

Rainbow is a tech-enabled small-business insurer that underwrites small businesses (starting with restaurants) and evaluates them against various risks to provide insurance policies. The company has been live for 2.5 years and is one of the top insu…

RunReveal is the Security Data Platform building tools to help companies detect and respond to threats in their network. The team values speed, quality and curiosity. The stack includes Go, NextJS (TypeScript), Postgres and ClickHouse. The platform …

Common Prefix is a blockchain research & development company focused on interoperability, scalability, and usability of blockchain systems. The team combines formal research with production-grade engineering, publishes in top-tier venues, and builds…

Chroma is the open-source search and retrieval database for AI applications. It supports dense vector, sparse vector, regex, and full-text search. They support local, single-node, and cloud hosting. The team is ~14 engineers and works in Rust, Pytho…

Ploid AI (Barcelona, Spain) — HYBRID (preferably on-site). Core team, full-time role with equity. Building an AI-first bioinformatics platform for life science researchers using agentic AI and LLMs. Responsibilities: architect and build AI workflows…