Senior AI Engineer - End-to-End Production & Observability

Lifted (an Upwork Company); México; On-site; MXN 2,202,000 - 3,303,000; Full time

Job summary

Lifted, an Upwork Company, is seeking a Sr. Software AI Engineer to own features end-to-end from spec through deployment and operations. You will build GenAI-powered product experiences and the shared AI platform infrastructure, including RAG pipelines and LLM-driven personalization.

Expect full ownership, on-call duties, and collaboration across distributed teams. Ideal candidates have 8+ years of software engineering, Python proficiency, and hands-on experience with LLM applications,

Qualifications

• 8+ years of software engineering experience.
• Proficiency in Python and production AI features.
• Experience with LLM apps and evaluation frameworks.

Responsibilities

• Design, build, and operate production AI features (RAG pipelines, LLM-driven recommendations, conversational agents).
• Build shared AI platform layer: retrieval, eval frameworks, monitoring, guardrails, observability.

Skills

Python

LLM applications

Full-stack awareness

Mentoring

Distributed teams

AI feature design

Tools

LangChain

LlamaIndex

Claude Code

GitHub Copilot

Cursor

Job description

Lifted, an Upwork Company, is seeking a Sr. Software AI Engineer to own features end-to-end from spec through deployment and operations. You will build GenAI-powered product experiences and the shared AI platform infrastructure, including RAG pipelines and LLM-driven personalization.

Expect full ownership, on-call duties, and collaboration across distributed teams. Ideal candidates have 8+ years of software engineering, Python proficiency, and hands-on experience with LLM applications,