- Strong software engineering background with experience building and operating production systems.
- Deep practical experience building applications with LLMs and agentic architectures.
- Strong experience with LangGraph, LangChain, Langfuse, or comparable frameworks.
- Experience designing and implementing LLM evaluations and evaluation pipelines.
- Strong understanding of agentic AI, workflows, tool calling, RAG, structured outputs, context engineering, and graph-based architectures.
- Experience taking AI systems from prototype to production.
- Strong understanding of observability, reliability, latency, and cost considerations in production AI.
- Experience working with multiple LLM providers and understanding their respective trade-offs.
- Ability to move quickly from an ambiguous problem to a working prototype.
- Strong product and business mindset. You care about solving the right problem, not just using the newest technology.
- Ability to communicate technical concepts clearly to clients, executives, product teams, and engineers.




- Experience leading and developing engineers while remaining technically hands-on.
- Strong written and spoken English.

We are looking for someone able to
- Lead, mentor, and develop a team of AI Engineers.
- Remain hands-on, contributing directly to architecture, prototyping, and production development.
- Define technical standards, patterns, processes, and best practices for AI development across Light-it.
- Review architectures and implementations and help the team make strong technical decisions.
- Identify gaps in the team and participate in hiring and developing AI engineering talent.
- Help define the roadmap and priorities of Light-it's AI practice.

Build Production AI Systems
- Architect and implement agentic AI systems, workflows, and LLM-powered applications.
- Design systems using frameworks and technologies such as LangGraph, LangChain, and Langfuse.
- Build reliable agent architectures involving tool calling, struc

📌 Head of AI (Buenos Aires)
🏢 Light-It
📍 Buenos Aires