Senior Java/React Engineer & System Analyst (Fintech)

Gemini Personnel Limited; Hong Kong Island; On-site; HKD 600,000 - 1,000,000; Full time

Job summary

Gemini Personnel Limited is seeking a System Analyst / Senior Software Engineer (Java & React) in Hong Kong to lead requirements gathering and design, and to deliver eCommerce, ePayment, web, and mobile applications.

You will participate in the full SDLC, including design, development, testing, deployment, and production support, while collaborating with local and regional teams and providing technical pre‑sales support.

Qualifications

• Bachelor's degree in computer science, IT, or a related discipline.
• 7+ years of experience in web and mobile application development.
• Strong hands-on experience with Java, Spring Boot, and React.
• Solid understanding of microservices architecture.
• Experience with PostgreSQL and/or MySQL.
• Knowledge of eCommerce, online payments, or fintech is an advantage.
• Exposure to Web 3.0 technologies is a plus.
• Strong communication skills in English and Cantonese.
• Ability to work independently and collaboratively in a fast-paced environment.

Responsibilities

• Lead requirements gathering, solution design, development, and implementation of eCommerce, ePayment, web, and mobile applications.
• Participate in the full SDLC, including design, development, testing, deployment, and production support.
• Provide technical pre-sales support and solution consultation to clients.
• Collaborate with local and regional teams, partners, and customers to deliver successful projects.
• Conduct technical research and maintain technical documentation.
• Support ad hoc projects and business initiatives.

Skills

English

Cantonese

Education

Bachelor's degree in computer science or IT

Tools

Java

Spring Boot

React

PostgreSQL

MySQL

Job description

Gemini Personnel Limited is seeking a System Analyst / Senior Software Engineer (Java & React) in Hong Kong to lead requirements gathering and design, and to deliver eCommerce, ePayment, web, and mobile applications.

You will participate in the full SDLC, including design, development, testing, deployment, and production support, while collaborating with local and regional teams and providing technical pre‑sales support.