Job Opportunity: Machine Learning Engineer – Speech & Text AI – Freelance – Brussels – HybridG2 are working with one of our clients on a freelance Machine Learning Engineer role to collaborate on the development of state-of-the-art AI pipelines focused on real-world speech and text data. You’ll play a key role in building scalable systems powered by large language models (LLMs), contributing to impactful applications in speech processing, natural language understanding, and automated data classification.Key Responsibilities:Design and implement data pipelines for speech and text pre-processing (e.g., noise reduction, tokenisation, feature engineering)Develop and optimise machine learning models for tasks such as classification, sequence modeling, and anomaly detectionIntegrate speech-to-text systems and enhance time series analysis of transcribed speech dataLeverage LLMs and deep learning architectures to develop high-performance, production-ready modelsCollaborate with researchers, data engineers, and product teams to bring models into production (e.g., via cloud deployment)Requirements:Advanced degree (Master’s or PhD) in Machine Learning, Computer Science, Data Science, or a related fieldProven experience in NLP, speech processing, or time series dataHands-on skills with tools and frameworks such as Python, PyTorch, Whisper, C++, SQL, Docker, GitStrong understanding of model evaluation, feature engineering, and ML lifecycleFamiliarity with LangChain, LangGraph, Azure, or similar ecosystems is a strong plusNotable Points: Contract length: 12 monthsHybridRate: €90 p/hIf you're passionate about building robust ML systems and working at the cutting edge of speech and language AI, we want to hear from you.Apply now!