Our client is hiring Senior AI Engineers in Mexico City on a contract basis.
You will build production agentic AI systems that use LLMs and Vision-Language Models to automate visual and media workflows.
The role is backend-focused, with room to own the product end to end.
Senior and principal-level candidates are welcome.
Fluent English is required.What you'll doBuild agentic harnesses and pipelines: tool use, multi-step reasoning, RAG, streaming, state management and multimodal integration.Integrate and evaluate LLMs, VLMs, open-source models and third-party AI APIs.Build scalable Python/FastAPI services and production APIs (REST, streaming, async).
Design event-driven and batch workflows for high-volume job orchestration (queues, EventBridge, DynamoDB Streams).
Run AI evaluation: eval datasets, regression evals, LLM-as-judge, human-in-the-loop review and production monitoring.Work with cloud infrastructure, Terraform and CI/CD (Docker, GitHub Actions).
Contribute to search and retrieval systems (lexical and embedding-based).




Contribute to React/TypeScript frontends when needed.What you bringProduction experience building agentic AI systems with LLMs/VLMs, beyond prototypes.Experience evaluating AI systems for quality and reliability.Strong backend fundamentals: APIs, async workflows, observability and production support.Hands-on cloud experience (AWS, Azure and/or GCP).
Experience with the C4 model and other design artifacts.Fluent English, written and spoken.Nice to haveTechnical lead or principal engineer experience, including mentoring.Search and information retrieval at scale (Elasticsearch, OpenSearch, vector search).
Digital or broadcast media workflows; video or multimodal AI.Terraform and serverless architecture.Agent frameworks: LangGraph, OpenAI Agents SDK, Google ADK.Image/video tools (FFmpeg, OpenCV); fine-tuning experience (LoRA, PEFT).
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📌 Generative Ai Engineer (Xico)
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