Remote Part-Time Principal AI Engineer & Tech Lead

FullStack; United States; Remote; USD 96,000 - 165,000; Part time

Benefits offered by this job

100% remote work

Health, dental, and vision insurance

Paid Time Off

401(k) with 4% match

Career advancement opportunities

Continuing education opportunities

Job summary

FullStack is seeking a Part-time Principal AI Engineer (Agentic AI) / Tech Lead to join our team. You'll work with our incredible clients in two modes: team augmentation or design and build.

The role requires 8+ years of software engineering, strong AI/LLM experience, English fluency, a four-year degree, and proven leadership. You will own end-to-end delivery, advocate for robust CI/CD, and collaborate across client teams in a remote U.S. time zone.

Qualifications

• 8+ years of professional software engineering experience.
• Leadership of engineering teams with end-to-end delivery.
• Advanced English is required.
• Successful completion of a four-year college degree.
• Expertise in designing and shipping production-grade agentic AI apps and LLMs.
• Integration of LLM APIs, autonomous agent frameworks, and tool-calling.
• Technical liaison with clients to scope work and deliver.
• System architecture, distributed systems, and API integrations.
• Ownership of CI/CD, testing, and resilience for AI workflows.
• Availability to work 20+ hours/week overlapping US PT.
• Experience in Agile/Scrum and large, complex systems.
• Extreme ownership and alignment with client goals.

Responsibilities

• Team Augmentation: integrate into client teams daily.
• Design & Build: contribute to FullStack product delivery.

Skills

8+ years exp

Team leadership

English proficiency

LLM architectures

LLM integration

Client liaison

System architecture

CI/CD

Agile/Scrum

Ownership

Education

Bachelor’s degree

Tools

Claude Code

Gemini CLI

Codex

Copilot CLI

Job description

FullStack is seeking a Part-time Principal AI Engineer (Agentic AI) / Tech Lead to join our team. You'll work with our incredible clients in two modes: team augmentation or design and build.

The role requires 8+ years of software engineering, strong AI/LLM experience, English fluency, a four-year degree, and proven leadership. You will own end-to-end delivery, advocate for robust CI/CD, and collaborate across client teams in a remote U.S. time zone.