We are seeking a Lead AI Engineer to design, build and scale cutting-edge AI applications powered by large language models. In this role, you will partner with clients to deliver tailored LLM-driven solutions, architect agentic systems and drive the adoption of emerging AI technologies across enterprise environments.

Responsibilities
- Design, implement and maintain end-to-end AI applications, including chatbots, Q&A; platforms, agent workflows and other LLM-driven solutions
- Collaborate directly with clients to understand their needs, identify opportunities and recommend tailored AI/LLM solutions that drive business value
- Architect and optimize robust data pipelines, prompt strategies and datasets to ensure effective, accurate and scalable AI models
- Evaluate, monitor and refine AI system performance, ensure outputs are accurate, secure, scalable and compliant with industry regulations and best practices
- Conduct research, design experiments and perform rapid prototyping to validate technical feasibility and demonstrate the business value of AI solutions




- Stay current with evolving LLM technologies, frameworks, protocols (such as MCP, A2A, ACP) and methodologies, continuously improve solution quality and client outcomes
- Design and implement agentic systems with frameworks such as LangChain, LangGraph and Semantic Kernel, integrate with vector databases and advanced memory architectures
- Develop and maintain APIs and system integrations for production-grade AI applications, including enterprise system integration (CRM, ERP, databases)
- Deploy AI solutions at scale, consider performance, cost-efficiency, maintainability, observability and security (including guardrails and prompt injection prevention)
- Implement and monitor retrieval systems (keyword search, vector search, embeddings), ranking algorithms and agent evaluation frameworks
- Use MLOps/AIOps practices for agentic systems and ensure robust observability and monitoring of deployed solutions
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📌 Lead AI Engineer (Colombia)
🏢 EPAM Systems
📍 Colombia