Backend Java Developer (Open to Fresh Graduates)

EX.IO; Hong Kong; On-site; HKD 420,000 - 720,000; Full time

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.

Skills

Java programming

Distributed systems

RESTful APIs

WebSocket

Multithreading

JVM principles

SpringBoot

Spring Cloud

MyBatis

Linux

Redis

Kafka

Elasticsearch

Education

Bachelor's degree in Computer Science

Tools

Redis

Kafka

Elasticsearch

MyBatis

Spring Cloud

Job description

Backend Java Developer (Open to Fresh Graduates)

Every new wave of technology presents a fleeting opportunity to design killer applications and products that will disrupt an entire industry and change the lives of many. Crypto is unique in this regard because it is already changing the core concept of money and banking through decentralization.

We are looking for talents to join our product development team!

Responsibilities

• Responsible for developing the core functions of the Internet financial platform, build the technology infrastructure that supports digital asset trading on the internet
• Implement RestFul and WebSocket API interfaces, to support customers to receive market data and execute orders
• Establish a robust, efficient and concurrent trading system to ensure 7×24 hours uninterrupted operation
• Actively conduct efficient communication with product team and business development team, collect requirements, participate in product planning and system design
• Propose practical and feasible solutions, capable of producing technical documents independently

Requirements

• Computer Science or related Engineering Bachelor (or above) from top tier university
• 3 years or more working experience
• Proficient in Java Programming
• Familiar with large-scale, multithreading, and high-performance distributed system
• Familiar with data structures, algorithms, design patterns, Java network programming, multi-threaded programming, and have a deep understanding of JVM principles
• Familiar with Java Web, microservice development, and framework like SpringBoot, Spring Cloud, and MyBatis
• Proficient in tools like caching, message queuing, and searching, e.q., Redis, Kafka, and Elasticsearch
• Familiar with Linux
• Experience in developing financial-related product, or have work experience in a large Internet company
• Able to adapt to high pressure working environment
• Great abilities in system analyzing, abstract thinking and system designing
• Work proactively, have a strong team spirit, and be self-driven to tackle difficulties and solve problems