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Senior Data Scientist at Exadel Inc (Website). . Location: Armenia, Bulgaria, Georgia, Hungary, Lithuania, Poland, Portugal, Romania, Uzbekistan. Why Join Exadel. . We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.. . From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.. . What powers it all? Our people are ambitious, collaborative, and constantly evolving.. . About the Client. . Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory.. . Project Tech Stack. . Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Python, Mongo, Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot. . What You’ll Do. . . Collaborate with engineers, data scientists, and business analysts to understand requirements, refine models, and integrate LLMs into AI solutions. . Incorporate RLHF and advanced techniques for tax-specific AI outputs.. . Embed generative AI solutions into consolidation, reconciliation, and reporting processes.. . Leverage LLMs to interpret unstructured tax documentation.. . Development and implementation of Deep learning algorithms for AI solutions. . Stay updated with recent trends in GENAI and apply the latest research and techniques to projects. . Preprocess raw data, including text normalization, tokenization, and other techniques, to make it suitable for use with NLP models. . Setup and train large language models and other state-of-the-art neural networks. . Conduct thorough testing and validation to ensure accuracy and reliability of model implementations. . Perform statistical analysis of results and optimize model performance for various computational environments, including cloud and edge computing platforms. . Explore and propose innovative AI use cases to enhance tax functions. . Partner with tax, finance, and IT teams to integrate AI workflows. . Collaborate with legal teams to meet regulatory standards for tax data. . Perform model audits to identify and mitigate risks. . Monitor and optimize generative models for performance and scalability. . . What You Bring. . . 6+ years of hands-on background in data science. . Solid understanding of object-oriented design patterns, concurrency/multithreading, and scalable AI and GenAI model deployment. . Strong programming skills in Python, PyTorch, TensorFlow, and related libraries. . Proficiency in RegEx, Spacy, NLTK, and NLP techniques for text representation and semantic extraction. . Hands-on experience in developing, training, and fine-tuning LLMs and AI models. . Practical understanding and experience in implementing techniques like CNN, RNN, GANs, RAG, Langchain, and Transformers. . Expertise in Prompt Engineering techniques and various vector databases. . Familiarity with Azure Cloud Computing Platform. . Competency in Docker, Kubernetes, CI/CD pipelines. . Practice in Deep learning, Computer Vision, CNN, RNN, LSTM. . Knowledge of Vector Databases (Milvus, Postgres, etc.), Database Technologies. . . English level. . Intermediate. . Legal & Hiring Information. . . Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more. . Reasonable accommodations are available to enable individuals with disabilities to perform essential functions. . Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs. . . Your Benefits at Exadel . . Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.. . . International projects. . In-office, hybrid, or remote flexibility. . Medical healthcare. . Recognition program. . Ongoing learning & reimbursement . . Well-being program. . Team events & local benefits . . Sports compensation . . Referral bonuses . . Top-tier equipment provision. . . Exadel Culture. . We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.