ph3Overview /h3pWe are looking to fill this role bimmediately /b and are reviewing applications daily. Expect a fast, transparent process with quick feedback. /ppWe are a European deep-tech leader in quantum and AI, backed by major integral 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.” /ph3We offer /h3ulliCompetitive annual salary starting from €45,000, based on experience and qualifications. /liliTwo unique bonuses: signing bonus at incorporation and retention bonus at contract completion. /liliRelocation package (if applicable). /liliFixed-term contract ending in June 2026. /liliHybrid role and flexible working hours. /liliBe part of a fast-scaling Series B company at the forefront of deep tech. /liliInternational exposure in a multicultural, cutting-edge environment. /liliEqual pay guaranteed. /li /ulh3About the Role /h3pTasks and responsibilities include the following for a bProduct Support Engineer /b on a btemporary basis (contract) /b to provide customer-facing technical support for our compressed Large Language Models (LLMs) and API services. You will be the first point of contact for technical inquiries, troubleshooting, and guidance, helping customers maximize value from our AI solutions. This is a unique opportunity to work with cutting-edge AI technology, ensure high customer satisfaction,



and contribute to the success of a major new initiative. /ppbAs a Product Support Engineer, you will: /b /pulliBecome an expert in all Multiverse Computing’s products. /liliProvide first-line technical support with a variety of complexity, from simple billing or account questions for individuals to complex, incident-level issues and debugging. /liliInvestigate and resolve customer-reported issues by reproducing problems and identifying root causes. /liliCollaborate with engineering teams to escalate and resolve complex technical problems. /liliAssist customers with API integration, usage, and best practices for performance and reliability. /liliDocument common issues, solutions, and best practices in a customer knowledge base. /liliCommunicate clearly and empathetically with customers, ensuring high satisfaction and trust. /li /ulh3Requirements /h3pbRequired Qualifications /b /pulliStrong technical background with experience in troubleshooting APIs, SDKs, or software integrations. /liliFamiliarity with AI/ML concepts, particularly Large Language Models and model deployment. /liliProficiency in Python and experience with APIs. /liliExcellent communication and problem-solving skills; able to explain technical concepts to non-technical users. /liliBachelor’s degree in Computer Science,



Engineering, or related field; or equivalent practical experience. /li /ulpbPreferred Qualifications (Nice-to have) /b /pulliExperience supporting AI/ML products or developer-focused platforms. /liliKnowledge of model compression techniques and performance optimization. /liliContributions to documentation, tutorials, or developer community forums. /liliExperience using ticketing and support tools (e.g., Zendesk, Jira, or similar). /li /ulh3About Multiverse Computing /h3pFounded 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: /pulliCompactifAI → 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. /liliSingularity → 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. /li /ulpYou’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! /p /p #J-18808-Ljbffr

📌 Product Support Engineer (Madrid)
🏢 Multiverse Computing
📍 Madrid