GenAI Engineer, Multimodal Data & Output Quality

MaintainX; San Francisco (CA); Hybrid; USD 140,000 - 210,000; Full time

Benefits offered by this job

Hybrid work

Unlimited time off

Equity

Job summary

MaintainX unites data-rich maintenance processes with AI-enabled generation. You will own the Generation half of Document Intelligence, turning multimodal primitives into schema-valid entities and ensuring high quality outputs across SOPs and processes.

Design prompts, set schemas, and build evaluation datasets while collaborating with the Engineering Lead and Processing teams. You will optimize prompts, output quality, and model usage to deliver reliable, scalable AI features that drive

Qualifications

• Shipped LLM features into production services.
• Experience with multimodal inputs (video, PDF, audio) to structured output.
• Strong applied GenAI craft and evaluation discipline.

Responsibilities

• Design and iterate generation prompts for each recipe.
• Define per-entity target schemas and validators for generated output.
• Build eval datasets and rubrics, offline and online, with quality checks.
• Assemble multimodal context windows for model calls.
• Choose model and budget per recipe based on quality, cost, latency.
• Hand off validated entities to owning domains; report to Engineering Lead.
• Collaborate with Processing side of Document Intelligence.

Skills

GenAI craft

Prompt engineering

Multimodal data handling

Model evaluation

RAG retrieval

LLM integration

Tools

LLMX platform

Attachments ingestion

Job description

MaintainX unites data-rich maintenance processes with AI-enabled generation. You will own the Generation half of Document Intelligence, turning multimodal primitives into schema-valid entities and ensuring high quality outputs across SOPs and processes.

Design prompts, set schemas, and build evaluation datasets while collaborating with the Engineering Lead and Processing teams. You will optimize prompts, output quality, and model usage to deliver reliable, scalable AI features that drive