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

• Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion.

• Relocation package (if applicable).

• Up to 6-month contract.

• Hybrid role and flexible working hours.

• Be part of a fast-scaling Series B company at the forefront of deep tech.

• Equal pay guaranteed.

In this position you will

• Support the Human Resources and Talent Acquisition teams on administrative and data management tasks.

• Assist the Onboarding team with preparing materials, documentation and following up with the new joiners.

• Help the Engagement and Communication team with internal communication and engagement activities.

• Have a frequent interaction with a wide range of individuals and cultures.

Required Qualifications

• University Degree in Business Administration or related field.

• Good organizational skills and tech savvy.

• Detail oriented and proactive.

• Strong interpersonal skills, people-oriented person.

• Good written and oral communication skills.

• Strong working knowledge of excel and in general, Microsoft 365 proficiency.

Preferred Qualifications

• Master's degree in human resources management.

• 1 year of experience.

• Previous experience in a tech company or a startup.

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:

• CompactifAI → a groundbreaking compression tool for foundational AI models, reducing their size by up to 95% while maintaining accuracy, enabling portability across devices from cloud to mobile and beyond.

• Singularity → a quantum and quantum-inspired optimization platform used by blue-chip companies in finance, energy, and manufacturing to solve complex challenges with immediate performance gains.

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!

As an equal opportunity employer, Multiverse Computing is committed to building an inclusive workplace. The company welcomes people from all different backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

Department

HR

Locations

San Sebastian, Spain

Monthly salary

1,200

Employment type

Internship

Workplace type

Hybrid

Seniority level

Internship

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