AI/LLM Engineer

Description

We are a company passionate about people, always prioritizing the quality of our relationships and caring for each team member. We are looking for someone to join this team that is growing daily—both in size and in development. We encourage and believe in our team, and we value collaboration. If you are a team-oriented person seeking constant growth, BIX is the right place for you! Join BIX Tecnologia! **Requirements:** * **Fluent English:** Daily verbal and written communication with stakeholders in the US. * **LLMs in Production:** Real-world experience with systems running at scale with real users. * **Multi-Agent Architecture:** Experience designing handoff between agents, conversation state management, and clear separation of roles—proposal, validation, and execution. * **Prompt Engineering:** Experience with long and complex system prompts; * **Deterministic Tool Use:** Experience with agents consuming external APIs via function calling with schema validation (Pydantic or equivalent); * **Advanced Python:** Focus on software architecture—not just scripting. * **LLM Observability:** Experience with tracing/evaluation tools (Langfuse, LangSmith, Arize). * **Solid AWS:** Primary cloud provider for the project, using Amazon Bedrock. **Nice-to-Haves:** * Practical experience with agent frameworks (LangGraph, CrewAI, AutoGen). * Implementation of Guardrails in production (Bedrock Guardrails, NeMo Guardrails). * Advanced RAG architectures and vector databases. * CI/CD pipelines for prompt and eval versioning. **What BIX Offers You:** * 100% remote work; * Online therapy and nutritionist platform; * Well-being platform; * Accelerated career path; * Direct contact with leaders from major companies; * Unique work environment (BIX Hour, team-building events and Happy Hours, Mentoring Program, 1-on-1 meetings); * Online English classes (Cambly); * Birthday leave.