Senior GenAI Engineer - Production-Ready AI & RAG Architect

Keyrus Colombia; Colombia; Remote; COP 288,610,000 - 416,880,000; Full time

Benefits offered by this job

International projects

Professional development

Career growth

Collaborative culture

Job summary

Keyrus is seeking a Senior AI Engineer to design, build, evaluate, and deploy intelligent systems combining Large Language Models, retrieval architectures, AI agents, and enterprise integrations. You will own AI behavior, quality, and reliability while collaborating with Software Engineers, Data Engineers, Architects, and Governance specialists. Location: Mexico & Colombia.

Work model: Remote. You bring hands-on experience with GenAI, RAG architectures, and multi-step workflows, plus strong

Qualifications

• Hands-on experience designing, developing, and deploying production-ready GenAI and LLM-based solutions.
• Proven experience with RAG architectures, AI agents, and multi-step intelligent workflows.
• Experience evaluating, monitoring, and optimizing AI systems for reliability, performance, and cost.
• Strong software engineering background, including API development, testing, and enterprise integrations.

Responsibilities

• Design and deploy production-ready GenAI solutions, including RAG systems, intelligent assistants, and agentic workflows.
• Engineer AI agent behavior, including tool use, context management, memory, routing, failure handling, and human oversight.
• Integrate LLMs, APIs, enterprise applications, and data sources while balancing performance, latency, and cost.
• Build evaluation frameworks, automated tests, and quality controls to measure AI reliability and detect regressions.
• Monitor, troubleshoot, and continuously improve AI capabilities in production.
• Document reusable engineering patterns and enable client teams to maintain and extend deployed solutions.

Tools

LangChain

LangGraph

LlamaIndex

Semantic Kernel

Azure

AWS

GCP

API integration

CI/CD

LLMOps

Job description

Keyrus is seeking a Senior AI Engineer to design, build, evaluate, and deploy intelligent systems combining Large Language Models, retrieval architectures, AI agents, and enterprise integrations. You will own AI behavior, quality, and reliability while collaborating with Software Engineers, Data Engineers, Architects, and Governance specialists. Location: Mexico & Colombia.

Work model: Remote. You bring hands-on experience with GenAI, RAG architectures, and multi-step workflows, plus strong