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Senior Data Scientist – Platform & AI Assets (Generative AI & LLMs for Tax Solutions) Miejsce pracy: Warszawa Technologies we use Expected LLM Generative AI Deep Learning NLP Python PyTorch LangChain Kubernetes TensorFlow About the project We are building an advanced AI platform focused on automating and enhancing tax-related processes across global finance organizations. The project leverages Large Language Models (LLMs), Generative AI, and Deep Learning to support consolidation, reconciliation, reporting, and interpretation of complex, unstructured tax documentation. As a Senior Data Scientist, you will play a key role in designing, developing, and deploying scalable AI solutions that meet regulatory, legal, and performance requirements in cloud-based environments. Your responsibilities Collaborate with software engineers, data scientists, and business analysts to gather requirements, refine AI models, and integrate LLM-based solutions into enterprise platforms Design and implement Generative AI and LLM solutions tailored to tax-specific use cases Apply RLHF (Reinforcement Learning from Human Feedback) and advanced optimization techniques to improve model outputs Embed AI workflows into consolidation, reconciliation, and financial reporting processes Develop and deploy Deep Learning models for NLP and GenAI use cases Leverage LLMs to analyze and interpret unstructured tax and legal documentation Preprocess and prepare raw data, including text normalization, tokenization, and feature extraction for NLP models Set up, train, fine-tune, and evaluate Large Language Models and other state-of-the-art neural networks Conduct thorough testing, validation, and statistical analysis to ensure accuracy, robustness, and reliability Optimize model performance across various computational environments, including cloud and edge platforms Monitor, maintain, and scale generative models in production environments Perform model audits to identify risks, biases, and compliance gaps Partner closely with tax, finance, IT, and legal teams to ensure regulatory compliance and successful AI adoption Research emerging trends in Generative AI and apply cutting-edge techniques to ongoing projects Propose innovative AI-driven use cases to enhance tax and finance functions Our requirements 6 years of hands-on experience in Data Science or Applied Machine Learning Strong programming skills in Python, with experience using PyTorch, TensorFlow, and related ML libraries Solid understanding of object-oriented design patterns, concurrency/multithreading, and scalable AI model deployment Proven experience in developing, training, and fine-tuning LLMs and advanced AI models Practical knowledge of Deep Learning architectures and techniques, including CNN, RNN, LSTM, GANs, Transformers, RAG, and LangChain Expertise in Prompt Engineering and working with vector databases Proficiency in NLP tools and techniques, including RegEx, SpaCy, NLTK, semantic extraction, and text representation Experience with Vector Databases (e.g., Milvus, PostgreSQL) and general database technologies Familiarity with Azure Cloud Platform and cloud-native AI solutions Hands-on experience with Docker, Kubernetes, and CI/CD pipelines Strong analytical skills with the ability to perform statistical evaluation and model optimization English proficiency at B2 level or higher This is how we organize our work This is how we work at the clients site This is how we work on a project Continuous Deployment Continuous Integration SQUARE ONE RESOURCES sp. z o.o. At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.