Fully remote Senior Java Backend Engineer role, working on microservice systems, API development and database optimization. Prefer long-term stable projects with clear technical requirements.
WJ
Looking for a job
wang jun
@wangzhijun
15-year Senior Java Backend Engineer skilled in Spring Cloud microservices, Redis, RocketMQ and MySQL tuning. Seeking fully remote backend roles.
ChinaWhat I'm looking for
I'm a Senior Java Backend Engineer with 15 years of professional experience in microservices, REST API design, and multi-terminal system development.
Proficient in Spring Cloud, Spring Boot, Redis, MongoDB, MySQL, message queues, scheduled tasks and security authentication including JWT and Shiro.
I have built business management, order & membership systems with strict user data protection, access control and multi-user permission management.
Skilled in end-to-end system development, legacy project migration, deployment & monitoring, familiar with CI/CD and containerized deployment.
I have delivered commercial platforms including local-life services, ERP, exam management, CMS and online training systems.
I write clean, maintainable code, diagnose bugs rapidly and continuously improve system stability and data security.
Strong cross-team communication skills. I’m eager to build digital health platforms, implement secure data workflows and deliver reliable patient-facing systems.
Looking for fully remote backend roles and ready to collaborate with global remote teams.
Experience
Work history, roles, and key accomplishments
SC
Current
Senior Java Backend Engineer
Shanxi Zhangguiding Technology Co., Ltd. **Location**：Taiyuan, China
Feb 2026 - Present (8 months)
Led end-to-end development for local-life business platforms and AI ordering machine APIs. Designed and implemented 'One Account Login' service, lottery features, and membership module reconstruction.Implemented authentication and permission controls to secure sensitive business data.
SC
Java Backend Engineer
Shanxi Nian'an Technology Co., Ltd. **Location**：Taiyuan, China
May 2024 - Feb 2026 (1 year 9 months)
Led migration of recruitment platform from legacy PHP to Java backend, including deployment and release. Developed modules for job posting, candidate management, and order management for PC, WeChat Mini Program, and Douyin Mini Program.
Education
Degrees, certifications, and relevant coursework
Taiyuan University of Technology
Bachelor, Computer Science and Technology
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
ChinaAuthorized to work in
Salary expectations
60k-90k USD
Social media
Job categories
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