Lead AI Engineer: Scalable LLM & AI Systems

EPAM Systems; Argentina; Presencial; ARS 1.000.000 - 2.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Connectivity Bonus

Medicina Prepaga

Paternity Leave

Discounts card

English Training

Training Program

Marriage bonus

Referral Program

External Discounts

14 days vacation

Descripción de la vacante

EPAM Systems is seeking a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications including chatbots and LLM-driven solutions. You will work directly with clients, drive technical decisions, and deliver production-grade AI systems with business impact.

Responsibilities include designing AI/LLM at scale, architectural work with agentic frameworks, APIs, pipelines, and enterprise integrations, plus evaluating performance and ensuring security and cost efficiency.

Formación

• 5+ years in AI/ML engineering with production-grade delivery experience.
• Proficient in at least one modern programming language and web frameworks (Python, Java, Scala).
• Hands-on experience with major LLM platforms, agentic frameworks, and advanced integration patterns (RAG, agent orchestration, tool calling).
• Experience with vector databases, semantic/hybrid search, and retrieval/ranking systems.

Responsabilidades

• Design and deploy AI/LLM applications at scale (RAG, agentic systems, Q&A platforms).
• Architect solutions using agentic frameworks, integrating with vector databases and memory architectures.
• Build APIs, data pipelines, and enterprise integrations (CRM, ERP, cloud platforms).
• Evaluate AI performance using LLM-based evaluation, agent metrics, and A/B testing.
• Ensure performance, security, observability, and cost-efficiency across deployments.

Conocimientos

AI/ML engineering

Python

Java

Communication

Herramientas

OpenAI platforms

LangChain

LangGraph

Semantic Kernel

LlamaIndex

Weaviate

Descripción del empleo

EPAM Systems is seeking a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications including chatbots and LLM-driven solutions. You will work directly with clients, drive technical decisions, and deliver production-grade AI systems with business impact.

Responsibilities include designing AI/LLM at scale, architectural work with agentic frameworks, APIs, pipelines, and enterprise integrations, plus evaluating performance and ensuring security and cost efficiency.