Senior Data Scientist

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

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Job Post ID: 5679200004

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.

What You’ll Do

  • Collaborate with a cross-functional agile team to design, develop, and implement a multi-agent AI solution
  • Utilize Python, LangChain, and LangGraph to build and integrate AI models capable of interpreting data frames and structured data
  • Work with large language models (LLMs) to process and analyze data from SQL databases and CSV or Parquet files
  • Ensure the AI agents interpret existing data sets, outputs from modeled data, and curated third-party data sets to derive domain-specific insights
  • Develop the AI agents to match the skills and responses of functional experts, serving as the reference benchmark for data interpretation and exploration
  • Participate in daily stand-ups, sprint planning, and retrospective meetings to ensure project milestones are met
  • Contribute to the continuous improvement of the development process and the overall quality of the AI implementation
  • Document technical specifications, development processes, and project progress

What You Bring

  • 5+ years of hands-on background in data science
  • Proven experience in Python programming, particularly in the context of AI and machine learning
  • Strong proficiency with LangGraph, LangChain, and its applications in AI development
  • Hands-on experience working with large language models (LLMs) for data interpretation
  • Experience or familiarity with ReAct agent, multi-agents, RAG (vector DBs, multi-source RAG)
  • Familiarity with handling and processing structured data, including SQL databases and CSV/Parquet files
  • Ability to work effectively in an agile team environment, demonstrating strong collaboration and communication skills
  • Problem-solving mindset with the ability to adapt to new challenges and technologies quickly

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.

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