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AI Infrastructure Engineer Intern

Build production-scale LLM deployments. Join our founding team.

Location

Seoul, South Korea / Beijing, China

Position Type

Internship (Full-time)

Department

Infrastructure & ML Operations

Who We Are

Transforming Enterprise Intelligence

Cortex is building the future of document intelligence. We empower enterprises to unlock insights from documents at scale, turning time-consuming manual processes into intelligent, automated workflows that drive smarter decisions.

📄AI-Powered Insights

Extract actionable intelligence from complex documents instantly, eliminating hours of manual review and analysis.

⚡Speed at Scale

Process thousands of documents in the time it would take to manually review a handful, without sacrificing accuracy or attention to detail.

🧠Context Matters

Our AI understands industry context, regulatory requirements, and business logic—delivering insights that matter for your specific use case.

🎯Expert Built

Founded by veterans in AI, document technology, and enterprise software, combining cutting-edge ML with deep industry expertise and real-world problem solving.

What You'll Do

⚙️

Model Optimization

Fine-tune and optimize large language models for production use cases, ensuring optimal performance at scale.

☁️

Cloud Deployment

Deploy LLMs on cloud GPU infrastructure using Docker and vLLM, managing containerization across platforms.

📊

Performance Monitoring

Track model performance, inference latency, and resource utilization to identify optimization opportunities.

🔧

Infrastructure Troubleshooting

Debug and optimize container deployments and GPU memory allocation for maximum efficiency.

📋

Documentation

Document infrastructure configurations and deployment procedures for team knowledge sharing.

👥

Collaboration

Work with the engineering team on cost optimization and scaling strategies for production systems.

Skills & Experience

Required

Python Docker Linux Model Serving Problem Solving Cloud Platforms

Nice to Have

LLM Fine-tuning Inference Optimization MLOps Kubernetes vLLM

Your Path Forward

This internship is a pathway to a founding engineer role at Cortex. Strong performers will be considered for full-time positions with visa sponsorship to Silicon Valley.

Why Join Cortex

🚀Production Scale

Work on real enterprise AI systems serving the mortgage industry at scale.

🎓Mentorship

Learn from experienced infrastructure engineers building cutting-edge deployment systems.

✨Real Impact

Your work directly powers AI agents integrating with legacy enterprise systems.

🌏Tech Ecosystem

Join the Seoul tech scene while contributing to a Silicon Valley-focused company.