Lead Java Architect - FinTech Trading & AI

Charterhouse Limited; Hong Kong Island; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

Charterhouse Limited is seeking a Senior/Lead Software Engineer to join its regional technology team in Hong Kong. You will design, build, and maintain high-availability Java applications within the Spring ecosystem, leading microservices evolution and complex integrations.

The ideal candidate has 8+ years of Java development experience with Spring, strong distributed-systems knowledge, and the ability to mentor peers while ensuring performance and reliability across trading/wealth-related

Qualifications

• 8+ years of professional Java development experience with Spring Framework (Spring Boot, Spring MVC, Spring Security, Spring Data JPA)
• Deep understanding of distributed systems, high-availability architecture, and fault tolerance
• Experience with RESTful APIs, gRPC services, and complex system integrations
• Strong command of relational databases (MySQL, PostgreSQL) and ORM (Hibernate/JPA)
• Proficiency with Git, CI/CD pipelines, automated testing, and modern Agile delivery
• Fluent English and Chinese for cross-team collaboration

Responsibilities

• Design, build, and maintain high-availability Java applications using the Spring ecosystem.
• Lead the evolution of microservices architecture and core business capabilities (fund transfers, account management, trading workflows).
• Architect and govern RESTful APIs, gRPC services, and complex system integrations.
• Build backend services supporting virtual asset trading, digital asset platforms, and AI-enabled automation pipelines.
• Design robust authentication, authorization, and permission frameworks; coordinate security workflows.
• Write clean, testable code; guide technical decisions; perform code reviews; mentor peers.
• Optimize application performance; lead production troubleshooting; ensure enterprise-grade stability.

Skills

Java development

Spring Framework

Distributed systems

High-concurrency

Leadership mentoring

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Git

CI/CD

Kafka

Redis

MySQL

PostgreSQL

Hibernate/JPA

Spring Boot

Docker

Kubernetes

Job description

Charterhouse Limited is seeking a Senior/Lead Software Engineer to join its regional technology team in Hong Kong. You will design, build, and maintain high-availability Java applications within the Spring ecosystem, leading microservices evolution and complex integrations.

The ideal candidate has 8+ years of Java development experience with Spring, strong distributed-systems knowledge, and the ability to mentor peers while ensuring performance and reliability across trading/wealth-related