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doudoulianmeng

Doudou

@doudoulianmeng

Java Backend Engineer focused on scalable microservices high concurrency systems

Cina
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
Doudou, Bachelor in Software Engineering with 3 years of Java backend experience. Skilled in Spring Boot, Spring Cloud, MyBatis Plus, and Nacos, with strong microservices development capability. Experienced in Redis, RabbitMQ, and WebSocket for high concurrency and performance optimization. Participated in projects across e commerce, food service, and finance, responsible for order, coupon, and inventory modules. Also experienced in QR code traceability systems, covering code generation and lifecycle tracking. Familiar with Jenkins, Alibaba Cloud, Vue3, and Android development.... Continua a leggere

Competenze

d
doudoulianmeng
Doudou
offline • 

Consulta i miei servizi

Applicazioni web full stack
I will build java backend apis
A partire da50 USD / progettoMaggiori dettagli

Esperienza lavorativa

Self_Level

Self Level

Full time • 2 yrs 10 mos

Java Backend Engineer

Jul 2025 - Nov 2025 • 4 mos

Responsible for development and maintenance of systems including Baoxian Zhiku platform, management backend, Taibao H5, and Xinpiao stock analysis system. Independently led the design and implementation of the stock pool system, including database design and core API development. Optimized system architecture and workflows, improving system stability and performance while resolving critical server issues. Expanded macroeconomic data modules and participated in AI driven workflow development using Dify. Contributed to QR code based traceability related systems, supporting full lifecycle tracking from code generation to data collection and analysis.

Java Backend Engineer

Jan 2023 - Jul 2025 • 2 yrs 6 mos

Responsible for backend development across multiple projects in food service, e commerce, and POS systems. Designed and implemented core modules including order processing, coupon systems, inventory management, and marketing features such as lottery systems. Participated in mini program development for brands such as Häagen-Dazs, Xujihai Seafood, and Xiaochuniang, ensuring stable and efficient transaction flows. Led development of key systems including product center and merchant backend, handling high concurrency scenarios using Redis, RabbitMQ, and WebSocket. Integrated with third party platforms such as POS systems and Alipay. Contributed to system stability, reduced production issues, and improved response performance. Awarded Outstanding Employee within one year.