Senior AI Backend Developer
Summary
Senior AI Backend Developer at KVB Trading, a Hong Kong-based international financial services group. The role designs and deploys agentic LLM workflows (Python, LangChain, LangGraph) and builds Java microservices with RESTful/gRPC APIs that integrate AI engines with enterprise financial systems, plus data pipelines, evaluation frameworks, and production monitoring.
About the role
Senior AI Backend Developer role focused on designing, building, and deploying AI applications and agentic workflows. You will architect multi-agent systems and tool-augmented LLM pipelines to automate complex business processes, design and maintain high-performance backend microservices and RESTful/gRPC APIs in Java, and develop reusable AI skills and modular components to enable rapid assembly of new AI features.
Key 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
About you
5+ years of software development experience, with at least 3 years in AI/LLM application development and backend engineering
Strong proficiency in Java (e.g., Spring Boot, enterprise backend frameworks) and Python — clean, testable, production-quality code
Solid experience in enterprise backend architecture, RESTful API design, microservices, and database integration
Experience with prompt engineering and LLM output structuring
Experience building test harnesses or evaluation frameworks for AI systems
Solid engineering fundamentals: Git, testing, CI/CD, containerization (Docker/Kubernetes), and code review
Experience with data pipelines, ETL processes, and data quality management
Bachelor's degree or higher in Computer Science or a related field
English and Mandarin/ Cantonese mandatory
About us
KVB Group is an international financial services corporation with different fully owned subsidiaries across the globe with regulator licensed operations in Auckland New Zealand, Sydney and Melbourne Australia, Toronto Canada, Hong Kong as well as Singapore.