LUZA Group
AI Engineer
LUZA GroupPortugal3 days ago
Full-timeRemote FriendlyOther
Job Title: AI Engineer

Location: Mafra, Portugal

Work Regime: Full-time & Hybrid


Overview / Summary:

We are looking for a highly skilled and motivated AI Engineer to join our dynamic team. In this role, you will design, develop, and implement cutting-edge AI solutions to address complex business challenges. You will collaborate with cross-functional teams to build AI models, algorithms, PoCs, and MVPs, contributing directly to the evolution of AI-driven products.
The ideal candidate has a strong background in LLMs (e.g., GPT), machine learning, deep learning, and data analysis, combined with excellent programming skills and a passion for innovation.

Responsibilities and Tasks:
  • Collaborate with cross-functional teams to identify business needs and opportunities where AI can generate value.
  • Design and develop Proofs of Concept (PoCs) using ML and DL techniques to assess feasibility and potential business impact.
  • Evaluate PoCs regarding accuracy, scalability, and computational efficiency.
  • Gather stakeholder feedback and iterate on PoCs to address requirements and optimize value.
  • Analyze PoC results to identify the most promising concepts to advance into productization.
  • Translate validated PoCs into Minimum Viable Products (MVPs) in collaboration with software engineers and data scientists.
  • Optimize and fine-tune AI models to meet performance criteria and business objectives.
  • Conduct testing and validation to ensure MVP stability, reliability, and usability.
  • Collaborate with product teams to integrate AI capabilities into existing systems or new applications.
  • Stay updated on AI trends, technologies, and best practices, applying this knowledge to drive innovation.
  • Document methodologies, processes, and results, creating clear and comprehensive reports for stakeholders.
  • Provide mentorship and technical guidance to junior AI engineers, fostering knowledge sharing within the team.



Requirements

Mandatory Requirements:
  • Bachelor’s or Master’s degree in Computer Science, Data Science, Artificial Intelligence, Mathematics, or a related field.
  • Proven experience as an AI Engineer, Machine Learning Engineer, or similar role.
  • Hands-on experience designing, training, and deploying ML/DL models and working with LLMs.
  • Experience converting PoCs into MVPs and deploying scalable AI solutions (preferred).
  • Strong problem-solving abilities and ability to translate business needs into technical solutions.
  • Excellent communication and teamwork skills for effective collaboration with cross-functional teams.
  • High attention to detail.
  • Self-driven, proactive, and motivated to continuously learn and explore emerging technologies.
  • Proficiency in English (written and spoken).
  • Portuguese is a plus.

Stack / Tech Skills

  • Solid understanding of ML/DL techniques, LLMs, and frameworks: TensorFlow, PyTorch, Keras, LangChain.
  • Proficiency in Python and Java, and experience with key data libraries (NumPy, pandas, Matplotlib).
  • Knowledge of big data and distributed computing frameworks is a plus: Hadoop, Spark.
  • Familiarity with cloud platforms and their AI services: AWS, Azure, or Google Cloud.



Benefits

Important:
  • Our company does not sponsor work visas or work permits. All applicants must have the legal right to work in the country where the position is based.
  • Only candidates who meet the required qualifications and match the profile requested by our clients will be contacted.


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