We are looking for a Senior/Lead AI Engineer to design, build, and scale end-to-end AI applications — including chatbots, agent workflows, and LLM-driven solutions. You will work directly with clients, drive technical decisions, and deliver production‑grade AI systems that create real business impact.

Responsibilities
- Design and deploy AI/LLM applications at scale (RAG, agentic systems, Q&A; platforms)
- Architect solutions using agentic frameworks, integrating with vector databases and advanced memory architectures
- Build APIs, data pipelines, and enterprise integrations (CRM, ERP, cloud platforms)
- Evaluate and refine AI performance using LLM‑based evaluation, agent metrics, and A/B testing
- Ensure performance, security, observability, and cost‑efficiency across deployed solutions
- Conduct research, rapid prototyping, and experimentation to validate feasibility and business value
- Stay current with emerging AI protocols (MCP, A2A, ACP) and evolving LLM technologies

Requirements
- 5+ years in AI/ML engineering with production‑grade delivery experience




- Strong proficiency in at least one modern programming language and web frameworks (Python, Java, Scala)
- Hands‑on experience with major LLM platforms, agentic frameworks, and advanced integration patterns (RAG, agent orchestration, tool calling)
- Experience with vector databases, semantic/hybrid search, and retrieval/ranking systems
- Knowledge of MLOps/AIOps practices, monitoring, and security (including prompt injection prevention)
- Strong communication skills — able to translate complex AI concepts for both technical and non‑technical audiences
- Ability to work independently, lead technical initiatives, and collaborate with cross‑functional teams

Technologies
- Languages: Python, Java, C#, Go
- Web Frameworks: FastAPI, Streamlit, Gradio, Flask, Spring Boot, ASP.NET
- Agentic Frameworks: LangChain, LangGraph, Semantic Kernel, LlamaIndex, Strands Agents
- Protocols: MCP, A2A, ACP
- MLOps/AIOps, observa

📌 Senior/Lead AI Engineer (Colombia)
🏢 EPAM Systems
📍 Colombia