Backend Java Developer

IO Tech Solutions Limited

Remote · Hong KongFull TimePosted November 1, 2026

At a glance

Work style

Fully remote

Job type

Full Time

Experience

1-5 years

Posted

November 1, 2026

Skills mentioned

Java

Check the full description before you apply.

About the role

Our client is a leading cryptocurrency exchange based in Hong Kong, dedicated to providing a secure and efficient trading platform for our users. We are committed to innovation and excellence in the fast-paced world of digital finance.

Job Summary

We are seeking a motivated and skilled Backend Java Developer to join our dynamic team. The ideal candidate will possess 1 to 5 years of experience in backend Java development and a solid foundation in computer science. We also encourage fresh graduates to apply.

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

Primarily seeking candidates with junior to mid-level experience, specifically those with 1 to 5 years in the field; however, fresh graduates are also encouraged to apply

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 analysing, abstract thinking and system designing

Work proactively, have a strong team spirit, and be self-driven to tackle difficulties and solve problems

Originally posted on Himalayas

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