Quality Control Engineer - AI & LLM Services | AI Start-up | fixed-term Contract
Join a European deep-tech leader in quantum and AI.
A well-funded, fast-growing company backed by major global investors with its groundbreaking technology is already transforming AI, compressing large language models by up to 95% and cutting inference costs by 50 80%.
This is your chance to be part of a team often described as a "quantum-AI unicorn in the making."
This is a Hybrid opportunity in Zaragoza. It is a fixed-term contract to work until 30th June 2026
What You"ll Do :
- Ensure the reliability and performance of AI solutions delivered to clients.
- Collaborate with teams to define and establish acceptance criteria.
- Evaluate system quality for scalability, latency, and data integrity.
- Create and standardise quality control and reporting across projects.
- Develop and maintain comprehensive test suites for AI systems and ML workflows.
- Design and implement automated and manual testing for LLM applications (chatbots, RAG, APIs).
- Contribute to the continuous improvement of QA processes and documentation.
- Act as the point of contact for quality validation on final deliverables.
Necessary skills :
Master's degree in Computer Science, Data Science, Software Engineering, or a related field.2+ years of experience in software or ML project quality assurance, focusing on functional, performance, and automation testing.Demonstrated understanding of testing methodologies for AI / ML systems (e.g., reproducibility, model output validation, bias detection).Familiarity with modern ML and LLM workflows (Python, APIs, cloud ML platforms).Proficiency in English; Spanish or French is a plus.Perks & Benefits :
Compensation : Competitive salary, with a signing bonus and a retention bonus at the end of the contract.Flexibility : This is a hybrid role with flexible working hours. A relocation package is available if needed.Culture : We are a fast-scaling company committed to equal pay, diversity, and an inclusive culture. You"ll gain international exposure in a multicultural, cutting-edge environment.Interested? Apply directly through LinkedIn, or send your CV to
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