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…

MiLaboratories is a deep-tech research lab (makers of Platforma.bio & MiXCR) building an OS for Biology to process large-scale genomic data for antibody discovery and drug development. They work fully on-site in Bilbao for high-bandwidth collaborati…

Hatchet is an open-source platform for running background jobs at scale. Hiring engineers to build the next class of engineering primitives (queues, background tasks, durable execution). Founded early 2024 after launching a distributed task queue. U…

Media platform for businesses (music, TV, digital signage, ads) running in restaurants, bars, retail chains across the country. ~20 engineers, real ownership, backed by Google and UMG. Stack includes Go, Vue, GCP, Kubernetes, NATS (future) for devic…