Lead Backend Developer (Moreno)

EPAM Systems

📍 moreno, buenos aires, Argentina

Full-time Informática y tecnología Posted June 07, 2026

Job Description

Overview

We are building secure, scalable AI-driven API services in our AI Pods team, using LLM orchestration to connect language models with internal systems and tools.

As a Lead Backend Developer, you will own API contracts and reliability while engineering evaluation, observability, fallbacks, and cost-aware patterns for distributed services.

Responsibilities

  • Design and implement backend API services paired with LLM orchestration layers
  • Build and maintain advanced RAG pipelines including document ingestion, chunking, embedding, and retrieval tuning
  • Develop and integrate agent tools with LangChain, LangGraph and potentially MCP (Model Context Protocol)
  • Enforce security, privacy, enterprise-grade observability, and test coverage across backend workflows
  • Lead architecture decisions and uphold engineering standards within the pod
  • Collaborate with frontend engineers, data engineers and infrastructure ...