Multiverse Computing
Multiverse is a well‑funded, fast‑growing deep‑tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of the 100 most promising AI companies in the world.
With 180+ employees and growing, our team is fully multicultural and international. We deliver hyper‑efficient software for companies seeking a competitive edge through quantum computing and artificial intelligence.
Our flagship products, CompactifAI and Singularity, address critical needs across various industries:

CompactifAI is a groundbreaking compression tool for foundational AI models based on Tensor Networks. It enables the compression of large AI systems—such as language models—to make them significantly more efficient and portable.
Singularity is a quantum‑and‑quantum‑inspired optimization platform used by blue‑chip companies to solve complex problems in finance, energy, manufacturing, and beyond.



It integrates seamlessly with existing systems and delivers immediate performance gains on classical and quantum hardware.

You’ll be working alongside world‑leading experts to develop solutions that tackle real‑world challenges. We’re looking for passionate individuals eager to grow in an ethics‑driven environment that values sustainability and diversity.
We’re committed to building a truly inclusive culture — come and join us.
About the Role
The Research AI Director is a senior scientific leadership position responsible for shaping and executing Multiverse Computing’s AI research strategy. Reporting directly to the Chief Scientific Officer, you will lead a high‑calibre, multidisciplinary AI research organisation, drive world‑class LLM and AI development from research through to production, and bridge the best of academia and industry within a fast‑moving deep‑tech environment.
This role demands a rare combination: deep hands‑on expertise in large language model development, a strong academic public

📌 Research AI Director (San Sebastián)
🏢 Multiversecomputing
📍 San Sebastián