US Signal

Principal AI & Data Engineer

US Signal

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $150,000 - $200,000 per year

Job Level

Tech Stack

About the role

  • Assess and rationalize the enterprise data warehouse; design and implement a governed semantic layer using dbt
  • Design and deploy production LLM applications on the org's data fabric — prompt engineering, model integration, shipped systems
  • Build text-to-SQL and natural language interfaces that let business users query operational data through conversational AI
  • Architect RAG pipelines end-to-end: vector store design, chunking strategy, embedding model selection, internal and customer-facing deployment
  • Engineer and orchestrate multi-agent systems for enterprise workflow automation, including framework selection and API integration

Requirements

  • 8+ Years Experience applying machine learning and AI in production environments, with a demonstrated track record of shipping scalable, reliable systems beyond the prototype stage.
  • Deep proficiency with LLM frameworks (e.g., LangChain, LlamaIndex), agentic architectures, and RAG pipeline design, including vector databases, embedding models, and retrieval optimization.
  • Strong Python fluency with practical experience across the modern data stack, including data warehousing platforms, orchestration tooling, and semantic layer frameworks such as dbt.
  • Proven ability to own and deliver end-to-end production systems independently, with evidence of technical leadership and accountability for architecture decisions in fast-paced environments.
Benefits
  • Generous paid time off policy, including vacation and 10 paid holidays
  • Competitive and comprehensive medical, dental, and vision benefits plans with Flexible Spending benefits including medical/dental expenses and dependent care
  • 401(k) retirement plan with a generous contribution
  • Group Term Life Insurance covered 100% by employer
  • Wellness Incentive to promote overall employee well-being
  • Paid volunteer time
  • Business casual dress code
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
machine learningAILLM frameworksLangChainLlamaIndexRAG pipeline designvector databasesembedding modelsPythondata warehousing
Soft Skills
technical leadershipaccountabilityindependenceproblem-solvingcommunication