
Senior Machine Learning Engineer
Liminal
full-time
Posted on:
Location Type: Hybrid
Location: Lisbon • Portugal
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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