Senior AI Backend Engineer: Multi-Agent LLM Pipelines

KVB Trading (Hong Kong) Limited; Hong Kong; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

KVB Trading (Hong Kong) Limited seeks a Senior AI Backend Developer to design, build, and deploy AI applications and agentic workflows. You will architect multi-agent systems and tool-augmented LLM pipelines to automate business processes and develop robust Java backends with RESTful APIs.

Required are 5+ years in software development, strong Java and Python skills, experience with enterprise backend architecture, and Mandarin/English proficiency.

Qualifications

• 5+ years of software development experience with AI/LLM application development
• Proficiency in Java (Spring Boot) and Python; production-quality code
• Experience with enterprise backend architecture, RESTful APIs, microservices, data integration
• Experience with prompt engineering and LLM output structuring
• Experience building test harnesses/evaluation frameworks for AI systems
• Solid fundamentals: Git, testing, CI/CD, containerization (Docker/Kubernetes), code review
• Experience with data pipelines, ETL, and data quality management
• Bachelor's degree or higher in Computer Science or related field
• English and Mandarin/Cantonese mandatory

Responsibilities

• Design, build, and deploy AI applications and agentic workflows using Python, LangChain, and LangGraph
• Architect multi-agent systems and tool-augmented LLM pipelines to automate complex business processes
• Design, build, and maintain high-performance backend microservices and RESTful/gRPC APIs in Java to integrate AI engines with enterprise financial systems
• Develop and maintain reusable AI skills, backend services, and modular components to enable rapid assembly of new AI features
• Apply prompt engineering best practices to improve LLM performance, consistency, and output quality
• Build test harnesses and evaluation frameworks to systematically measure and improve AI system quality
• Design and maintain data pipelines and ETL processes to ensure data is clean, timely, and suitable for AI systems
• Implement data quality standards and monitoring to ensure the reliability of data flowing into AI workflows
• Collaborate with product, backend engineering, and business stakeholders to translate requirements into scalable AI solutions
• Monitor production backend and AI systems, identify failure modes, and drive continuous improvement

Skills

Java

Python

LangChain

LangGraph

RESTful APIs

Microservices

CI/CD

Docker

Kubernetes

Data pipelines

ETL

Data quality

Prompt engineering

LLM development

Backend architecture

Git

Testing

Code review

English

Mandarin/Cantonese

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Git

CI/CD

Job description

KVB Trading (Hong Kong) Limited seeks a Senior AI Backend Developer to design, build, and deploy AI applications and agentic workflows. You will architect multi-agent systems and tool-augmented LLM pipelines to automate business processes and develop robust Java backends with RESTful APIs.

Required are 5+ years in software development, strong Java and Python skills, experience with enterprise backend architecture, and Mandarin/English proficiency.