Senior AI Backend Engineer – RAG, Guardrails, Remote

Aretec, Inc.; Northern (KY); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health, Dental, and Vision Insurance

401(k) Plan with Employer Match

Certification Stipends

Professional Development Opportunities

Flexible Work Arrangements, including远

Job summary

Aretec, Inc. is seeking a Senior AI / Backend Engineer to build the intelligent services behind a greenfield AI solution. You will develop Python services, integrate LLMs, and design retrieval pipelines that ground results in supporting source material.

In a mission-driven environment within the federal landscape, you will collaborate with a cross-functional team to deliver robust, secure backend systems with guardrails and thorough testing.

Qualifications

• Experience integrating LLMs into production.
• Experience designing retrieval pipelines, embeddings, or context construction.
• Experience with RESTful APIs and backend service design.
• Understanding of agent orchestration, prompt design, AI guardrails, and model-output evaluation.
• Experience with automated testing and disciplined software-engineering practices.
• Strong analytical, debugging, documentation, and communication skills.

Responsibilities

• Design and develop Python backend services and APIs for the greenfield AI solution.
• Integrate large language models and build retrieval-augmented generation pipelines over approved enterprise data sources.
• Implement agent orchestration and reusable prompt-framework components.
• Build retrieval, ranking, context-assembly, and citation mechanisms tied to documents.
• Develop guardrails that constrain unsupported assumptions and human-bound decisions.
• Create evaluation automation measuring accuracy, grounding, and guardrail compliance.
• Build automated unit, integration, regression, and AI-quality tests.
• Instrument services for troubleshooting, performance analysis, and continuous improvement.
• Collaborate with the technical lead, data engineer, full-stack engineer, and enterprise-search stakeholders.

Skills

LLM integration

RAG systems design

Agent orchestration

Prompt design

AI guardrails

Evaluation frameworks

Automated testing

Documentation & communication

Federal environment knowledge

Tools

Python

RESTful APIs

FastAPI / backend frameworks

Job description

Aretec, Inc. is seeking a Senior AI / Backend Engineer to build the intelligent services behind a greenfield AI solution. You will develop Python services, integrate LLMs, and design retrieval pipelines that ground results in supporting source material.

In a mission-driven environment within the federal landscape, you will collaborate with a cross-functional team to deliver robust, secure backend systems with guardrails and thorough testing.