Fullstack Engineer (Fixed-term contract) Technical • Madrid, Barcelona, Zaragoza

Fullstack Engineer (Fixed-term contract)

We are looking to fill this role immediately and are reviewing applications daily. Expect a fast, transparent process with quick feedback.

Why join us?

We are a European deep‑tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up to 95% without losing accuracy and cutting inference costs by 50–80%.

Joining us means working on cutting‑edge solutions that make AI faster, greener, and more accessible — and being part of a company often described as a “quantum‑AI unicorn in the making.”

We offer

• Competitive annual salary starting from €45,000, based on experience and qualifications.
• Two unique bonuses : signing bonus at incorporation and retention bonus at contract completion.
• Relocation package (if applicable).
• Fixed‑term contract ending in June 2026.
• Hybrid role and flexible working hours.
• Be part of a fast‑scaling Series B company at the forefront of deep tech.
• Equal pay guaranteed.
• International exposure in a multicultural, cutting‑edge environment.

Required Qualifications

Preferred Qualifications

About Multiverse Computing

Founded in 2019, we are a well‑funded, fast‑growing deep‑tech company with a team of 180+ employees worldwide. Recognized by CB Insights (2023 & 2025) as one of the Top 100 most promising AI companies globally, we are also the largest quantum software company in the EU.

Our flagship products address critical industry needs :

You’ll be working alongside world‑leading experts in quantum computing and AI, developing solutions that deliver real‑world impact for global clients. We are committed to an inclusive, ethics‑driven culture that values sustainability, diversity, and collaboration — a place where passionate people can grow and thrive. Come and join us!

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