AI Engineer

Critical Manufacturing is dedicated to empowering high-performance operations to make Industry 4.0 a reality with the most innovative, comprehensive, and modular MES software. We have a global presence, but our headquarters, and the main technical center, are in Porto (Maia), Portugal, where we develop a state-of-the-art solution for Semiconductor, Electronics, Medical Devices, and other Discrete industries.

Requirements

• At least 1 year of hands-on machine learning experience, including training and testing models, and a practical understanding of overfitting, generalization, and bias
• At least 1 year of hands-on experience with LLMs in production or applied settings, including inference, prompt engineering, and evaluation
• Experience with agentic coding workflows or LLM-based code assistance
• Familiarity with server development, APIs, and containerization (Docker/Kubernetes)
• Strong problem-solving skills and comfortable writing production code—tests, docs, and all
• Excellent software engineering fundamentals: version control, testing, code review, documentation
• Ability to collaborate effectively in a team and work well under technical leadership
• Excellent spoken and written English communication skills

Benefits

• Competitive salary
• Benefits package
• Opportunity to work on AI that powers real factories
• Tight-knit engineering team
• Freedom to code, collaborate, and grow technically