* Develop and maintain backend applications using Java (Spring Boot, Hibernate). 
* Integrate systems with databases (MySQL, PostgreSQL, MongoDB.) and external services. 
* Participate in requirements analysis, propose technical solutions, and optimize system performance.

* Experience in system design and solution architecture in Fintech, Securities Core Systems,... 
* University Degree in Information Technology, Computer Science, or a related field. 
* 4 years of experience in Java development. 
* Experience in Web3 or Blockchain 
* Experience with Java, Java Spring Boot, and JPA. 
* Experience with message broker systems such as RocketMQ, Socket io. 
* Experience with databases including MongoDB, PostgreSQL, MySQL and Redis. 
* Knowledge of managing configurations using Nacos is a plus. 
* Knowledge of Seata and Sentinel is a plus. 
* Preferred candidates have experience with blockchain technologies, startups, or fast-paced tech environments. 
* Good English communication ability.

* Friendly working environment dynamic, creative, professional and diverse environment personal development opportunities.
* Working time: from Monday to Saturday, 9am to 6pm (but only 2 Saturdays in a month)
* Bonus according to revenue and capacity: 13th month salary bonus and holidays (depending on business results);
* New Year's bonus, New Year's gift, New Year's gift...
* Periodic salary increase or work efficiency.

Competitive salary & attractive bonuses
Performance-based growth & salary review
Dynamic environment with development opportunities