AI Systems Engineer: High-Performance Backend for LLMs

SENSLAB HK LIMITED; Hong Kong; On-site; HKD 360,000 - 600,000; Full time

Job summary

SENSLAB HK LIMITED in Hong Kong is seeking a backend-focused engineer to design high-availability services and integrate AI reasoning with LLM APIs. You will help shape the data layer, craft abstraction layers, and work with product and research teams to rapidly prototype and validate new ideas.

The role requires 2–5 years of backend experience, proficiency in Node.js/Go/Rust/Python, and strong communication in English and Chinese. HK-based or willing to relocate, on-site in Hong Kong.

Qualifications

• Bachelor's degree in CS or related field, or equivalent practical experience.
• Proficient in at least one backend language (Node.js/Go/Rust/Python) with clean coding practices.
• Understanding of distributed systems, microservices, RPC and concurrency.
• Experience with SQL/NoSQL databases and vector databases is a plus.
• Familiarity with Docker, Kubernetes, and cloud deployment (AWS/GCP/Azure).
• Excellent communication in English and Chinese; ability to work in HK.
• Willingness to relocate to Hong Kong if needed.

Responsibilities

• Core system design and development of high-availability backend services.
• Integrate AI reasoning with LLM APIs and memory strategies.
• Design and build data layer with relational and vector databases.
• Create abstraction layers decoupled from models/providers.
• Prototype rapidly with product & research teams and validate feasibility.
• Produce documentation, participate in code reviews, and share knowledge.

Skills

Backend languages

Node.js

Go

Rust

Python

System design

Distributed systems

Cloud & containerization

Education

Bachelor's in Computer Science or related

Tools

Docker

Kubernetes

AWS

GCP

Azure

PostgreSQL

MongoDB

Redis

Pinecone/Milvus/Qdrant

Job description

SENSLAB HK LIMITED in Hong Kong is seeking a backend-focused engineer to design high-availability services and integrate AI reasoning with LLM APIs. You will help shape the data layer, craft abstraction layers, and work with product and research teams to rapidly prototype and validate new ideas.

The role requires 2–5 years of backend experience, proficiency in Node.js/Go/Rust/Python, and strong communication in English and Chinese. HK-based or willing to relocate, on-site in Hong Kong.