Senior Machine Learning Engineer (Python/LLMs/NLP) - Hybrid Porto (Flexible Office Model)

Job description

ABOUT THE OPPORTUNITY: We are partnering with a fast-growing international technology startup building a next-generation AI-driven platform focused on intelligent automation, document processing, and large-scale data interpretation. As part of its expansion strategy in Portugal, the company is building a high-impact engineering hub in Porto and is looking for a Senior Machine Learning Engineer with strong Natural Language Processing expertise to join the founding technical team locally. This is a unique opportunity to work directly with experienced founders and senior engineers coming from leading global tech companies and high-growth startups. You will play a critical role in shaping the architecture, scalability, and evolution of AI products from an early stage, while helping define engineering standards and technical culture. The environment is highly dynamic, product-focused, and engineering-driven, ideal for professionals who enjoy ownership, autonomy, and solving complex technical challenges using modern AI technologies. PROJECT & CONTEXT: The role focuses on designing, developing, training, evaluating, and deploying Machine Learning and AI capabilities at the core of the com...