Hybrid AI/NLP/ML Expert

at Cosmote Global Solutions

• Job title: AI/NLP/ML Expert
• Job type: Contract
• Experience level: Senior, Lead
• Salary: Not specified
• Degree requirement: Postgraduate Degree
• Tech skills: ElasticSearch, MongoDB, NoSQL, Oracle, Pandas, Postgres, Python, PyTorch, SQL, Tensorflow
• Location requirements: Hybrid, Brussels, Belgium

About the role

• AI/NLP/ML Expert advancing AI capabilities at COSMOTE Global Solutions. Collaborating on innovative solutions and optimizing models for business impact in diverse tech areas.

Responsibilities

• Design, implement and optimize advanced AI, NLP, and ML models. Use LLMs, RAG frameworks, and other state-of-the-art approaches.
• Create methods for tokenization, part-of-speech tagging, named entity recognition, classification, clustering and other text mining-related tasks.
• Fine-tune pre-trained models on domain-specific tasks.
• Conduct thorough research and stay updated on the latest trends and advancements in NLP, ML, and AI technologies.
• Develop and maintain robust, scalable, and efficient code using Python.
• Collaborate with cross-functional teams to integrate AI/ML solutions into existing products and services.
• Perform rigorous analysis and experimentation to improve model accuracy, efficiency, and scalability.
• Participate in peer reviews and contribute to the continuous improvement of AI solutions.
• Contribute to the design and implementation of ML application architecture and its solution stack.
• Develop comprehensive reports and visualizations to communicate insights and findings to stakeholders.

Requirements

• Master’s Degree in on Statistics, Data Science and Machine Learning, Computer Science, etc.
• 13+ years of experience in IT
• Experience in Machine Learning and Natural Language Processing.
• Excellent knowledge of Python and libraries (e.g. Pandas, SpaCy, NLTK, Hugging Face).
• Experience with deep learning frameworks for complex model architecture such as TensorFlow or PyTorch.
• Experience with AI-powered code assistants (e.g., Amazon Q, Github Copilot), staying updated with advancements in AI-driven code technologies.
• Good knowledge of SQL tooling (Oracle, PostgreSQL).
• Knowledge of NoSQL databases (Elasticsearch, MongoDB).
• Knowledge of architectural design of scalable ML solutions such as model servers, GPU resource optimization.
• Experience with A/B testing and experimental design of ML models.
• Experience with pre-trained models and LLMs like GPT, and other Transformer-based architectures.
• Experience with tools like Matplotlib and Seaborn for creating data visualizations.
• Strong understanding of linguistics and text processing techniques.
• Proficient in continuous code delivery and unit testing.
• Understanding of bias in ML applications and bias mitigation techniques.
• Knowledge in one of the following areas: predictive (forecasting, recommendation), prescriptive (simulation), topic detection, plagiarism detection, trends/anomalies detection in datasets, recommendation systems.
• Proficiency in understanding and applying statistical concepts and models.
• Ability to formulate problems and develop solutions using data-driven approaches.
• Effectively communicating complex data insights to non-technical stakeholders.
• Results-oriented mindset, focused on delivering.
• Good communication skills in English, both orally and in written form.
• Ability to write clear and well-structured documentation