Postúlate en Kit Empleo: kitempleo.com.co/empleo/1as6sx

142. Senior AI Engineer – LLM and Agent Systems

We’re looking for a Senior AI Engineer – LLM and Agent Systems to join Source Meridian

About Source Meridian

Source Meridian is a development software company that works to solve the industry’s most challenging problems in healthcare practices. We are laser focused on specific technologies in the healthcare and life science industries: Healthcare technology, artificial intelligence, and healthcare interoperability.

About the Role

AI Engineer with hands‑on experience in building production‑grade artificial intelligence systems using large language models (LLMs), agentic frameworks, and modern data infrastructure. The adecuado candidate designs, develops, and deploys intelligent applications that leverage LLM orchestration, retrieval‑augmented generation (RAG), and memory‑managed architectures.

What You’ll Do
- Design and implement agentic workflows using LangGraph and LangChain, including multi‑step reasoning, tool usage, and human‑in‑the‑loop patterns.
- Integrate LLMs (OpenAI, Anthropic, Google Vertex AI,



open‑source models) via REST APIs and SDKs into scalable backend services.
- Build and maintain RESTful APIs (FastAPI) to serve AI‑powered functionality to frontends and external consumers.
- Architect and manage vector database solutions (Milvus) for semantic search and retrieval‑augmented generation (RAG).
- Design context engineering strategies, including prompt templates, dynamic context window management, token optimization, and context compression techniques.
- Implement short‑term memory (conversational buffers, sliding windows, summary memory) and long‑term memory (persistent vector stores, knowledge graphs, user profile stores) using MongoDB and vector databases.
- Store and manage structured and unstructured data in MongoDB, designing schemas that support conversation history, user state, and agent checkpoints.
- Evaluate and improve the quality of LLM responses through prompt engineering, few‑shot examp

Postúlate en Kit Empleo: kitempleo.com.co/empleo/1as6sx

📌 Senior AI Engineer – LLM and Agent Systems (Medellín)
🏢 Source Meridian
📍 Medellín