Liminal

Senior Machine Learning Engineer

Liminal

full-time

Posted on:

Location Type: Hybrid

Location: LisbonPortugal

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Salary

💰 €55,000 - €65,000 per year

Job Level

About the role

  • Collaborate with cross-functional teams to define and design AI solutions aligned with business objectives
  • Build, deploy, and maintain production-grade machine learning models and systems that drive efficiency and innovation across multiple departments
  • Ensure AI solutions meet performance, scalability, and reliability standards in a production environment
  • Continuously improve machine learning models through fine-tuning, retraining, and incorporating new data and feedback
  • Monitor and optimize the performance of deployed models and systems, implementing updates and resolving issues proactively
  • Work with the AI Solutions Architect to develop pipelines for automated retraining, testing, and deployment of AI models
  • Leverage cloud platforms (e.g., AWS, Azure, Google Cloud) for model deployment, orchestration, and monitoring
  • Implement and manage robust infrastructure to support AI applications, ensuring scalability and fault tolerance
  • Develop and maintain data pipelines for efficient data ingestion, preprocessing, and feature engineering
  • Conduct exploratory analyses to identify opportunities for AI innovation
  • Design and prototype solutions, validating feasibility through proof of concept (PoC) projects

Requirements

  • 3+ years of experience in ML/AI development including production-environment deployments
  • Bachelor's degree or higher in a relevant field
  • Proficiency in Python and its machine learning frameworks (e.g., TensorFlow, PyTorch, scikit-learn)
  • Hands-on experience with data pipeline development, including data ingestion, preprocessing, and feature engineering
  • Experience with large language models (LLMs) and natural language processing (NLP), including prompt engineering and fine-tuning techniques
  • Knowledge of advanced methods such as Retrieval-Augmented Generation (RAG) and platforms like OpenAI or Hugging Face
  • Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud)
  • Excellent problem-solving skills and ability to troubleshoot and optimize complex AI systems
  • Strong communication skills to work effectively with technical and non-technical stakeholders.
Benefits
  • Health insurance
  • Paid time off
  • Professional development
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningdata pipeline developmentPythonTensorFlowPyTorchscikit-learnnatural language processingprompt engineeringRetrieval-Augmented Generationfeature engineering
Soft Skills
problem-solvingcommunication
Certifications
Bachelor's degree