About the Role

We are seeking an experienced Senior Java Backend Developer to lead the development of reporting modules and database-driven business logic for our software products and projects. This role focuses heavily on Oracle database optimisation, stored procedures, and Java backend development , with exposure to big data technologies. The ideal candidate is technically strong, detail-oriented, and confident in handling large data volumes in production environments.

Key Responsibilities

• To accomplish the company’s software products and projects’ data analysis and database business logic.

• Develop and maintain software modules based on business requirements, including design, coding, testing, and support

• Execute Oracle database development including stored procedures, packages, triggers, and functions

• Configure, build, and test application technical components

• Analyse and resolve defects, performance bottlenecks, and database issues

• Optimise SQL queries and improve overall system performance

• Support big data queries using technologies such as MongoDB, ClickHouse , and relevant third-party plugins

• Collaborate with cross-functional teams and contribute to system integration and RESTful API development

• Flexibly adjust work scope based on project and technical needs

Required Skills

• Strong knowledge of Java SE / Java EE and Object-Oriented Programming

• Familiar with MVC Architecture

• Hands-on experience with Spring Framework , MyBatis / iBatis , and SQL performance optimization

• Solid experience in Oracle database optimisation and stored procedure development

• Experience of multithreading and performance tuning

• Knowledge in REST Web Services and integration patterns

• Knowledge on RESTFUL API and integration Patterns

• Familiar with source control tools (SVN, Git)

• Exposure to MongoDB, ClickHouse , or big data environments is an advantage

• Strong analytics and problem solving abilities

• Must be detailed-oriented and attentive, especially handling large data sets

• Good team player

Preferred Qualifications

• Minimum Bachelor’s Degree or higher in Computer Science, Information Technology , or equivalent discipline, or professional License (Passed Board/Bar/Professional License Exam).

• Minimum 4–5 years of working experience specializing in IT/Computer Software or equivalent (Senior level preferred).

• Experience contributing to project management tasks or overseeing development efforts.

• Good English and Mandarin communication skills.

• Candidates fluent in Mandarin are highly preferred as role requires candidate to communicate with Mandarin speaking clients and partners.