Founding AI Infra & Model Routing Engineer

A-field Tech Limited; Hong Kong; Hybrid; HKD 900,000 - 1,500,000; Full time

Benefits offered by this job

Share-option opportunity

Competitive salary

Job summary

A-Field Tech Limited in Hong Kong is seeking a Founding AI R&D Engineer to translate research ideas into practical, scalable systems. You will join a founding team and work in a flexible hybrid setup, shaping the direction of regional AI infrastructure and NexLLM integration.

The role blends research with software engineering, distributed systems, and product development, tackling real-world problems on a live platform and collaborating closely with the founder.

Qualifications

• Degree or higher in CS/AI/ML/software engineering or related field.
• Strong projects, research experience, or open-source work welcomed.
• No prior AI gateway building experience required; ability to learn unfamiliar systems.

Responsibilities

• Research and prototype intelligent model-routing strategies.
• Build evaluation and benchmarking tools for quality, cost, latency, and reliability.
• Develop fallback, retry, caching, observability, and quota-management systems.
• Investigate prompts and task requirements to match models.
• Build experiments, simulations, datasets, and reproducible test harnesses.
• Integrate new model providers and standardise APIs and capabilities.
• Turn validated research into reliable production features.
• Document findings, limitations, and technical recommendations clearly.

Skills

Software engineering fundamentals

Applied AI research

APIs & distributed systems

Hypothesis-driven development

Analytical thinking

LLMs & model evaluation

Ownership mindset

Education

Degree in computer science, AI, ML, software engineering, data science, or related field

Tools

Git

CI/CD

Job description

A-Field Tech Limited in Hong Kong is seeking a Founding AI R&D Engineer to translate research ideas into practical, scalable systems. You will join a founding team and work in a flexible hybrid setup, shaping the direction of regional AI infrastructure and NexLLM integration.

The role blends research with software engineering, distributed systems, and product development, tackling real-world problems on a live platform and collaborating closely with the founder.