AI/NLP/ML Expert

COSMOTE Global Solutions, a member of OTE Group of Companies, is at the forefront of delivering innovative ICT Solutions and Services. We specialize in diverse areas such as Cloud, Networking, Cybersecurity, and Big Data, providing a comprehensive solution tailored to meet today's technological demands.

As an AI/NLP/ML Expert, you will play a critical role in advancing our capabilities in Artificial Intelligence and Machine Learning. We are looking for a professional who is not only skilled in these domains but also passionate about developing groundbreaking solutions that leverage AI technology to drive business impact.

Key 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