-
LUZA Group

AI Engineer

LUZA Group
Portugal · Full-time · Mid-Senior

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.


#VisionaryFuture - Build the future, join our living ecosystem!

Key Skills

Ranked by relevance

ai machine learning artificial intelligence distributed computing data analysis big data pytorch pandas cloud keras numpy
Login to Apply
Posted
Dec 12, 2025
Type
Full-time
Level
Mid-Senior
Location
Mafra
Company
LUZA Group

Industries

Software Development

Categories

Other

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Vivid Resourcing
Related

Data Scientist

2026-05-28

Full-time
Mid-Senior
Belgium
Software Development
Engineering
View Job Details
Code Compass 🧭
Related

AI Software Engineer (m/f/d) - Berlin

2026-05-21

Full-time
Mid-Senior
Germany
Staffing
Information Technology
View Job Details
Scaleway
Related

Software Engineer - Serverless Compute

2026-05-28

Full-time
Not Applicable
France
Software Development
Engineering