Senior Java Engineer & Tech Lead — AI & Modernization

Well Link General Insurance Company Limited; Hong Kong; On-site; HKD 720,000 - 1,200,000; Full time

Job summary

Well Link Financial Group is seeking a Senior Java Engineer / Technical Lead to design, develop, and modernize enterprise core systems for insurance and finance domains. You will build scalable backend services, lead legacy modernization efforts, and ensure high availability across critical domains.

You will work with Java, Spring Boot, Spring Cloud, REST/SOAP, and collaborate with product and operations teams to deliver robust, compliant solutions including AI-assisted tooling and private

Qualifications

• Strong Java backend development with full lifecycle experience in large-scale enterprise systems, especially in insurance/finance domains.
• Proficient in Java, Spring Boot, Spring Cloud, REST/JSON, SOAP/XML; able to design, develop, and troubleshoot core modules independently.
• Excellent performance optimization skills including JVM tuning and production issue diagnosis.
• Experience with AI coding tools, RAG, prompt engineering, and private knowledge bases is a plus.
• Experience with frontend technologies (Vue 3 / TypeScript / React) for full-stack troubleshooting.

Responsibilities

• Design, develop, test, deploy, and support enterprise core systems and middle-platform modules with focus on stability, security, and efficiency.
• Build backend and microservices using Java, Spring Boot / Spring Cloud; deliver API development and cross-system integration.
• Lead or participate in legacy system modernization and data migrations with zero-downtime strategies.
• Design database architectures, optimize SQL, and ensure data consistency across systems.
• Apply AI tooling for code generation, troubleshooting, and private knowledge base development.
• Collaborate with product, QA, operations, and business teams for solution design and delivery.

Skills

Java backend

Spring Boot

Spring Cloud

REST/JSON

SOAP/XML

API gateway

Message queues

Distributed systems

JVM tuning

Git/Maven

Docker/Kubernetes

Legacy modernization

AI tools

Tools

Oracle

MySQL

SQL Server

MongoDB

Redis

NoSQL

Git

Maven

Docker

Kubernetes

Job description

Well Link Financial Group is seeking a Senior Java Engineer / Technical Lead to design, develop, and modernize enterprise core systems for insurance and finance domains. You will build scalable backend services, lead legacy modernization efforts, and ensure high availability across critical domains.

You will work with Java, Spring Boot, Spring Cloud, REST/SOAP, and collaborate with product and operations teams to deliver robust, compliant solutions including AI-assisted tooling and private