Senior GenAI Full-Stack Engineer - Brazil
Core
Design and extend production-grade LLM applications and agentic workflows for Epic Support Assistant and Agent Support Assistant.
Role type
Senior GenAI Full-Stack Engineer
Builds
Production LLM-powered chatbots, AI copilots, and agentic workflows for player-facing support and agent assistance.
Domain
Generative AI, LLM orchestration, conversational AI, and full-stack engineering.
Deliverable
production ML models
Required skills
TypeScript/Node.js, NestJS, XState, RAG pipelines, prompt engineering, model evaluation, observability, state machine design, async patterns, PostgreSQL, Redis, BullMQ, Langfuse, MCP (Model Context Protocol), OpenAI SDK, Gemini, Anthropic.
Preferred skills
MCP implementation, LLM observability platforms, scaling AI workloads, multi-provider model evaluation, AI copilot development, semantic search, AI gateways, gaming industry experience, low-latency constraints.
Responsibilities
Build and maintain conversation-machine substrate including guard/action registries and flow validation; Integrate with MCP servers for tool-use; Evaluate and tune models across providers; Troubleshoot production LLM issues; Build resilience mechanisms like retries and fallback routing; Instrument and tune model quality using Langfuse.
Seniority
Senior, hands-on IC
