Senior AI Engineer – Applied Intelligence & Production

KOS International Limited; Hong Kong; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

KOS International Limited is seeking a Senior Data Scientist for Applied AI & Engineering in Hong Kong. The role offers autonomy to prototype, deploy AI-powered applications, and collaborate with IT and security teams to ensure secure deployments and reliable operations.

The ideal candidate has 6+ years in AI/software/data/platform engineering, strong Python API/backend skills, and hands-on experience with LLMs, RAG, vector search, AI agent orchestration, and MLOps. Excellent English required.

Qualifications

• Bachelor's and/or Master's degree related to Computer Science, Statistics or related major studying AI, ML (machine learning), NLP
• At least 6 years of hands-on experience across AI, software, data or platform engineering, with a track record of delivering applications into production.
• Strong Python development skills, including building APIs, backend services and data pipelines.
• Practical experience developing and deploying LLM applications using techniques such as retrieval-augmented generation (RAG), vector search and AI agent orchestration.
• Experience with MLOps / LLMOps tools and workflows, such as MLflow, Kubeflow, model registries and evaluation pipelines, to support model evaluation, versioning, deployment and monitoring.
• Familiarity with containerisation and orchestration technologies, particularly Docker and Kubernetes.
• Experience deploying and operating services on AWS, Azure or Google Cloud, supported by sound testing, version control and CI/CD practices.
• Good command in English

Skills

Python development

APIs & backend services

Data pipelines

LLM applications

RAG & vector search

AI agent orchestration

MLOps / LLMOps

MLflow

Kubeflow

Docker

Kubernetes

Cloud deployment (AWS/Azure/GCP)

English proficiency

Education

Bachelor's or Master's in CS/Statistics or related AI field

Tools

Docker

Kubernetes

MLflow

Kubeflow

Job description

KOS International Limited is seeking a Senior Data Scientist for Applied AI & Engineering in Hong Kong. The role offers autonomy to prototype, deploy AI-powered applications, and collaborate with IT and security teams to ensure secure deployments and reliable operations.

The ideal candidate has 6+ years in AI/software/data/platform engineering, strong Python API/backend skills, and hands-on experience with LLMs, RAG, vector search, AI agent orchestration, and MLOps. Excellent English required.