Lead GenAI & Agentic Systems Engineer

EPAM Systems; Argentina; On-site; ARS 136,660,000 - 197,397,000; Full time

Job summary

EPAM Systems is seeking a Senior AI Engineer to design and productionize GenAI and agentic solutions that orchestrate models, tools, and enterprise data. You will build robust Python services and implement end-to-end pipelines with strong observability and security practices.

You will lead architectural decisions, collaborate with product and engineering teams, and drive rapid prototyping to scalable production, including CI/CD and testing strategies.

Qualifications

• 3+ years delivering production-ready AI/GenAI solutions.
• Seniority to own agentic workflows and drive technical decisions.
• Advanced Python and FastAPI production development.

Responsibilities

• Design and productionize GenAI and agentic systems that orchestrate models, tools, enterprise data, state and memory, and human input.
• Develop agent orchestration patterns for planning, routing, tool calling, structured outputs, workflow graphs, handoffs, retries, and recovery.
• Build reusable agent tools, APIs, and connectors with schemas, authentication, permissions, sandboxing, and least-privilege access.
• Build and optimize RAG and enterprise search using embeddings, vector databases, hybrid retrieval, metadata filtering, reranking, grounding, and citations.
• Create evaluation and test frameworks measuring task completion, groundedness, retrieval quality, tool-use accuracy, robustness, and end-to-end outcomes.
• Implement observability for prompts, traces, retrieval, model behavior, token usage, cost, latency, failures, and user feedback.
• Develop production-grade Python and FastAPI services with automated testing, CI/CD, load testing, caching, fallbacks, and performance optimization.
• Apply Responsible AI and security practices including guardrails, content filtering, privacy controls, authorization, auditability, and escalation paths.
• Collaborate with product, engineering, and domain partners to translate needs into measurable workflows, prototype quickly, and scale successful solutions.

Skills

Python

FastAPI

GenAI

RAG

Agent orchestration

Observability

Security / Responsible AI

English (B2+)

CI/CD

Job description

EPAM Systems is seeking a Senior AI Engineer to design and productionize GenAI and agentic solutions that orchestrate models, tools, and enterprise data. You will build robust Python services and implement end-to-end pipelines with strong observability and security practices.

You will lead architectural decisions, collaborate with product and engineering teams, and drive rapid prototyping to scalable production, including CI/CD and testing strategies.