Remote Principal AI Solution Architect & Tech Lead

Aretec, Inc.; United States; Hybrid; USD 150,000 - 210,000; 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 (remote as契

Job summary

Aretec, Inc. is seeking a hands-on Principal Engineer / Technical Lead to guide the architecture and implementation of an AI Solution within the Enterprise Search team.

You will make critical design decisions, write production code, lead integrations, review code, and manage technical risk across the application and AI stack. The role requires strong Python skills, experience with LLM architectures, and the ability to mentor engineers within an established multidisciplinary team.

Qualifications

• Deep hands-on software engineering across backend services, APIs and modern web apps.
• Proven success leading architecture and complex enterprise or mission-critical systems.
• Strong Python skills and hands-on AI/LLM architecture experience.
• Experience with RAG, retrieval systems, agent orchestration, prompts and guardrails.
• Strong system-integration, data-flow, testing, code-review and risk management.
• Ability to explain decisions and tradeoffs to engineers and stakeholders.
• Ability to work effectively within an existing multidisciplinary delivery team.

Responsibilities

• Own the overall technical architecture for AI Solution, including application, integration, data, and AI design decisions.
• Provide hands-on technical leadership while designing, implementing, testing, and reviewing production code.
• Lead complex integrations with Client, enterprise data platforms, authentication services, and APIs.
• Define scalable patterns for LLM integration, retrieval, agent orchestration, source traceability, evaluation, and guardrails.
• Translate objectives into an executable engineering roadmap, sequencing work by value, complexity, cost, access and risk.
• Set engineering standards for security, reliability, maintainability, observability, documentation, and automated testing.
• Identify architectural and delivery risks early; mitigate and communicate tradeoffs to stakeholders.
• Mentor engineers, facilitate design reviews, and resolve cross-stack issues while staying close to implementation.
• Partner with federal stakeholders and Client to ensure outputs support, not replace, human judgment.

Skills

Python

LLM architecture

Backend APIs

System integration

Technical leadership

Security & risk

Communication

Job description

Aretec, Inc. is seeking a hands-on Principal Engineer / Technical Lead to guide the architecture and implementation of an AI Solution within the Enterprise Search team.

You will make critical design decisions, write production code, lead integrations, review code, and manage technical risk across the application and AI stack. The role requires strong Python skills, experience with LLM architectures, and the ability to mentor engineers within an established multidisciplinary team.