Data Engineer (mid)

Description

Job Summary: We are seeking a talented Data Engineer specializing in Machine Learning and Deep Learning to develop and optimize Transformer- and LLM-based models. Key Highlights: 1. Develop advanced AI solutions from research to production 2. Collaborate across teams to deliver cutting-edge intelligence 3. Focus on Transformer models and Large Language Models (LLMs) About the Company At Sourcing Trust, we are committed to delivering innovative, reliable, and customized technology solutions that empower businesses to thrive in a rapidly evolving digital landscape. With a focus on excellence, integrity, and collaboration, we build lasting partnerships by understanding each client’s unique needs and providing specialized support across all phases. Our team is dedicated to fostering a positive and inclusive workplace where every employee’s contribution is valued, encouraging continuous growth, learning, and shared success. Join us and become part of a passionate organization driven by innovation and excellence. About the Role We are seeking a talented Data Engineer specializing in Machine Learning and Deep Learning, focused on developing, training, and optimizing Transformer- and Large Language Model (LLM)-based models. You will play a central role in building advanced AI solutions from applied research to production, collaborating across teams to deliver cutting-edge intelligence capabilities. Requirements Key Responsibilities and Competencies * Bachelor’s degree in Data Science, Computer Engineering, Artificial Intelligence, or a related field. * Minimum 2 years of hands-on experience in Data Science/ML. * Develop, train, evaluate, and optimize ML/DL models; implement Transformer models using PyTorch, TensorFlow, or JAX. * Work with HuggingFace Transformers, DeepSpeed, Megatron LM, FSDP; proven experience with LLMs (OpenAI, HuggingFace, Cohere). * Build efficient data pipelines, distributed training, and performance optimization. * Collaborate with engineering, product, and business teams; document solutions and track AI/LLM trends. * Strong proficiency in Python. Preferred Qualifications * Fine-tuning/instruction tuning of LLMs; RAG and vector databases. * Cloud experience (Azure/AWS/GCP) and MLOps/CI-CD. Language Requirements * Fluent Portuguese (mandatory) * English minimum B2 level (mandatory) Send your CV to: \ with "IT_Data" in the subject line. Join us: \ \#BecomeATruster You can find the original job posting at: https://www.itjobs.pt/oferta/510471/data-engineer-mid