Senior Data Scientist

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Dellent is a consulting company focused in System Information and Telecommunications. Our goal is to help our candidates and consultants to take a step forward in their careers through projects that meet their needs and expectations.

Here you will work in the development of high-tech systems integration services in areas such as digital transformation and network automation for different sectors of activity, but in particular for telecommunications.

We are looking for a Senior Data Scientist to join a long-term hybrid project (Lisbon).

This opportunity is open to professionals based in Lisbon or working remotely from abroad, provided they can align with Portugal time.

Mandatory Requirements

• Degree in Computer Science, Engineering, Mathematics, Statistics, Operations Research, or a related analytical field;
• Strong expertise in Python and experience with PySpark/Spark MLlib;
• Experience with Generative AI, LangChain, RAG (Retrieval Augmented Generation), LLM production deployments, and Agentic AI architectures;
• Experience with OCR and document intelligence workflows;
• Solid understanding of NLP, text analytics, and unstructured data processing;
• Deep knowledge of ML architectures and MLOps-oriented lifecycles (CI/CD for ML, model versioning, monitoring, retraining pipelines);
• Hands-on experience with NumPy, SciPy, Pandas, Scikit-learn, Matplotlib, TensorFlow/PyTorch;
• 5+ years of professional experience in Data Science, including leading or mentoring technical teams;
• Experience with Java, Scala, or Spark in production environments;
• Proven track record of leading data science projects end-to-end with MLOps best practices;
• Computer Vision experience, in image pre-processing and analysis.

Nice To Have Requirements

• 2+ years of experience with SQL;
• Knowledge of distributed/cloud environments: AWS, Azure, GCP, Cloudera;
• Understanding of Data Governance frameworks;
• Experience with Azure Document Intelligence.

What Can You Expect From Us

• Health insurance;
• A personalized training plan, with a budget to spend on the training and technical books you find necessary;
• Constant feedback so you can grow professionally;
• Remote onboarding process;
• Team events every semester so you can live new adventures;
• Exclusive discounts and offers from our partners;
• Culture of proximity and transparency. Your ideas and needs are heard and valued by us!

If the above sounds like the kind of job opportunity you would want to get involved with, then please do not hesitate to apply here.

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