Senior GenAI Engineer: Production AI & RAG Architect (Remote)

Keyrus; México; Remote; MXN 2,209,000 - 3,313,000; Full time

Benefits offered by this job

International projects

Continuous learning

Career growth

Collaborative culture

Job summary

Keyrus is seeking a Senior AI Engineer to design, build, evaluate, and deploy GenAI systems that integrate into enterprise processes across Mexico and Colombia. You will own AI behavior, reliability, and cost-aware deployments in collaboration with software and governance teams.

Join a hands-on, fast-moving team delivering production-grade AI solutions with tool-calling, memory management, and multi-agent orchestration, using LangChain, LlamaIndex, and cloud platforms to drive measurable

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.

Skills

Python programming

LLM integration

Prompt engineering

Embeddings and retrieval

AI agent orchestration

Tool calling

Context management

Memory management

CI/CD

Cloud platforms (Azure/AWS/GCP)

MLOps

Observability and monitoring

Automated testing

Tools

LangGraph

LangChain

LlamaIndex

Semantic Kernel

APIs

Enterprise integrations

Job description

Keyrus is seeking a Senior AI Engineer to design, build, evaluate, and deploy GenAI systems that integrate into enterprise processes across Mexico and Colombia. You will own AI behavior, reliability, and cost-aware deployments in collaboration with software and governance teams.

Join a hands-on, fast-moving team delivering production-grade AI solutions with tool-calling, memory management, and multi-agent orchestration, using LangChain, LlamaIndex, and cloud platforms to drive measurable