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

We are seeking a highly motivated Pre-Sales Engineer to join our team. The ideal candidate will bridge technical expertise with strong communication skills, supporting the sales process by designing solutions, delivering demos, and advising customers on technical requirements. You will play a critical role in engaging with clients, understanding their challenges, and positioning our solutions to meet their needs.

Key Responsibilities

Collaborate with sales, product and engineering team teams to understand customer requirements and propose tailored technical solutions.
Design and deliver compelling product demonstrations
Contribute to RFP/RFI submissions RFP/RFI responses with detailed technical input.
Work with product and engineering teams to align customer needs with product capabilities.
Translate complex technical concepts into clear, business-relevant language for clients.
Stay up to date with emerging technologies in AI, machine learning, and cloud infrastructure.
Manage model delivery to our customers and trials for potential customers.
Traveling: Must be available to travel as needed for meetings, conferences, and project requirements.

Desired Skills & Experience

Strong background in AI/ML, data science, or computer engineering, with hands-on experience in machine learning models (e.g., transformers, CNNs, ViTs, LLMs).
Proficiency in Python, with exposure to ML frameworks such as PyTorch or TensorFlow.
Experience with cloud platforms (AWS, GCP, or Azure) and containerized environments (Docker, Kubernetes).
Excellent communication and presentation skills; able to engage both technical and non-technical audiences.
Strong problem-solving skills and the ability to lead technical discussions with customers.

Nice-to-Have

Experience in computer vision or NLP projects.
Prior exposure to healthcare, finance, or enterprise data systems.
Contributions to research papers, hackathons, or open-source projects.

Education

Bachelor’s or Master’s degree in Computer Science, Data Science, Engineering, or related field.

Perks & Benefits

Temporary contract ending by June 2026.

Competitive salary

Equal pay guaranteed.

Relocation package (if applicable).

Hybrid opportunity.

Flexible working hours.

Progressive Company. Happy people culture.

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: Growth & Sales
Locations: San Sebastian, Spain, Madrid, Barcelona
Employment type: Contract
Workplace type: Hybrid
Seniority level: Associate

About MULTIVERSE COMPUTING

Come and join our multicultural team!

5 locations
+27 languages

Founded in 2019

Coworkers +150

Growth & Sales · Multiple locations

Pre-Sales Engineer (Contract)

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