EPAM is a leading general provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are seeking an experienced Senior Data Scientist to join our team. This role focuses on the design, optimization, and evaluation of prompts for solutions based on generative artificial intelligence, language models, and conversational agents. The main objective is to improve the quality, accuracy, consistency, and efficiency of AI-generated responses, aligning them with business needs, specific use cases, and best practices in security, ethics, and governance.

Responsibilities
- Design, test,



and optimize prompts for language models such as GPT, Claude, Gemini, or other LLMs
- Translate business requirements into effective instructions for generative AI models
- Create reusable prompt templates for operational, analytical, and automation use cases
- Evaluate the quality of AI-generated responses by identifying errors, bias, inconsistencies, or hallucinations
- Apply prompt engineering techniques such as few-shot prompting, structured chain-of-thought, role prompting, context management, and prompt chaining
- Collaborate with Data, AI, Product, Operations, and Technology teams to integrate prompts into enterprise solutions
- Support the design of workflows involving RAG, AI agents, virtual assistants, and process automation
- Document guidelines, best practices, and standards for prompt usage within the organization
- Optimize prompts by balancing accuracy, cost, latency, security

📌 Senior Data Scientist (México)
🏢 Epam Systems
📍 México