Senior Data Scientist

Location: Armenia, Bulgaria, Georgia, Hungary, Lithuania, Poland, Portugal, Romania, Uzbekistan

Department: Data Processing & Analysis Department

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.