We are looking for a Lead Data Scientist with expertise in Large Language Models (LLMs) and Python to create cutting-edge AI chatbot solutions designed for specialized applications.
The ideal candidate should have a strong background in Natural Language Processing (NLP), Conversational AI, and Responsible AI techniques, emphasizing hallucination prevention and advanced data analytics.
Responsibilities
- Collaborate with product, analytics, and engineering teams to design advanced chatbot solutions
- Define prompt engineering strategies to improve the quality and engagement of chatbot conversations
- Develop and deploy LLM-powered agents capable of integrating external tools, APIs, and databases using function calling
- Ensure chatbot response accuracy and dependability through rigorous evaluation and hallucination prevention methods
- Drive A/B testing initiatives and optimization approaches with analytics teams
- Apply Responsible AI principles to ensure ethical and regulatory compliance with chatbot implementations
- Perform exploratory data analysis (EDA) to generate insights and inform structured data requirements for the engineering teams
- Advise cloud engineering teams on building scalable infrastructure for AI solutions
Requirements
- At least 5 years of experience in AI and ML development, focusing on conversational systems
- Expertise in LLMs, with significant implementation experience using OpenAI APIs in Azure environments
- Solid skills in Python to optimize AI workflows
- Knowledge of Responsible AI techniques and hallucination prevention methods
- Background in Natural Language Processing (NLP) and Conversational AI framework design
- Familiarity with A/B testing, experimentation approaches, and metrics for evaluating AI systems
- Capability to define testing and data requirements while collaborating across teams
- Understanding of cloud platforms and infrastructure considerations
Nice to have
- Competency in conducting exploratory data analysis (EDA) to refine chatbot accuracy
- Skills in drafting technical requirements for data engineering teams
- Proficiency in navigating cloud engineering workflows for infrastructure scalability
Technologies
- LLMs: OpenAI APIs on Azure
- Languages: Python
- Key Tools & Methods: Function Calling, Prompt Engineering, Hallucination Prevention, Responsible AI & Compliance, A/B Testing, Data Analysis
We offer
- International projects with top brands
- Work with global teams of highly skilled, diverse peers
- Healthcare benefits
- Employee financial programs
- Paid time off and sick leave
- Upskilling, reskilling and certification courses
- Unlimited access to the LinkedIn Learning library and 22,000+ courses
- Global career opportunities
- Volunteer and community involvement opportunities
- EPAM Employee Groups
- Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn