Quality Control Engineer - AI & LLM Services

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:

As our Quality Control Engineer, you will be the critical guardian of quality for our high-performance, AI-driven solutions and LLM services. This is a hands-on role where you will directly influence the reliability and scalability of cutting-edge technology deployed to our global client base.

As a Quality Control Engineer, you will:

• 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 [email protected]

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