Java Backend Engineer – Scalable FinTech Platform

EX.IO

Hong Kong

On-site

HKD 420,000 - 720,000

Full time

3 days ago

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Job summary

EX.IO is seeking a Backend Java Developer to join the product development team in Hong Kong. You will build core Internet financial platform components and trading infrastructure, deliver RESTful and WebSocket APIs, and ensure a robust 7x24 trading system.

You will collaborate with product and business teams to capture requirements and design scalable architectures. The ideal candidate has 3+ years of Java experience, strong knowledge of JVM, SpringBoot, Spring Cloud, and high-performance

Qualifications

Bachelor's degree in Computer Science or related field from a reputable university.
3+ years of professional software development experience.
Excellent proficiency in Java and JVM internals.
Experience with large-scale distributed systems and performance tuning.
Hands-on with SpringBoot, Spring Cloud and MyBatis.

Responsibilities

Develop core functions of the Internet financial platform and build infrastructure for digital asset trading.
Implement RESTful and WebSocket APIs for market data and order execution.
Create robust, efficient, and concurrent trading systems for 7x24 operations.
Collaborate with product and BD teams to gather requirements and design systems.
Produce technical documentation and propose practical solutions.