Senior AI Engineer - Bagota Colombia AI Engineering: Build and deploy AI-driven systems and applications using OpenAI, Amazon Bedrock, Langchain , and LangGraph . Design, implement, and optimize vector search solutions with pgvector and custom embeddings. Prototype, fine-tune, and productionize LLM-based and retrieval-augmented generation ( RAG ) solutions. o Develop input/output guardrails to ensure model safety, reliability, and alignment with business goals. o Design and maintain robust evaluation pipelines to monitor model performance, correctness, and drift over time.