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EPAM Systems
EPAM Systems

Lead Data Scientist

Location

Remote restrictions apply
See all remote locations

Salary Estimate

N/AIconOpenNewWindows

Seniority

Lead

Tech stacks

Testing
AI
Data analysis
+16

Permanent role
2 days ago
Apply now

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

About EPAM Systems

👥501-1000
📍Newtown
🔗Website
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