AI R&D Intern: Build Next-Gen Model Routing & Infra

A-Field Tech

Hong Kong

Hybrid

HKD 89,000 - 134,000

Full time

14 days+

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Job summary

NexLLM, a Hong Kong-based AI infrastructure company, seeks a University student for a full-time AI R&D Engineering Intern role. You will work with the founder and engineering team on real AI infrastructure projects, prototyping, evaluation, and product improvements for a live platform with multiple model providers.

Learn model routing, evaluation, and API integrations while contributing to production-ready work.

Qualifications

Current university enrolment in computer science, software engineering, AI, ML, data science, math, or related field.
Strong interest in AI models, software engineering, or developer infrastructure.
Basic programming experience in Python, TypeScript, JavaScript, Go, Java, C++, or a similar language.
Familiarity with APIs, Git, databases, or cloud services.
Ability to break unclear problems into smaller steps.
Willingness to test assumptions and measure results.

Responsibilities

Researching and prototyping model-routing strategies.
Comparing models across quality, cost, latency, availability, and reliability.
Building benchmark datasets and reproducible evaluation tools.
Developing fallback, retry, timeout, caching, and quota-management features.
Investigating provider errors, rate limits, response formats, and performance changes.
Integrating new model providers and standardising their APIs.
Building scripts, dashboards, data pipelines, and internal developer tools.
Turning validated experiments into well-tested product features.