Senior Java Developer(Ali Baba cloud)

Key Responsibilities

• Design & Develop: Build scalable, secure, and resilient microservices applications using Core Java (8/11/17) and the Spring Boot / Spring Cloud ecosystem.

• Cloud Infrastructure Management: Deploy, manage, and optimize applications on Alibaba Cloud using core services like ACK (Kubernetes), ECS, RDS, and Server Load Balancers (SLB).

• Architecture & Performance: Implement distributed transaction patterns, event-driven messaging pipelines (Kafka/RabbitMQ), and perform JVM tuning to maximize application throughput and stability.

• Database Management: Design and optimize relational (MySQL, PostgreSQL) and NoSQL (MongoDB) database schemas for high-load environments.

• DevOps & Quality Assurance: Drive CI/CD pipelines, containerization (Docker, Kubernetes), code quality standards (SonarQube), and automated testing frameworks.

• Security & Governance: Implement robust authentication/authorization via Spring Security and ensure compliance with cloud security policies (RAM, VPC networking).

Required Technical Skills

1. Core Java

• Strong hands-on experience with Java 8, 11, or 17

• Advanced proficiency in Collections Framework, Multithreading, and Concurrency

• Expertise in Exception Handling, Design Patterns, and JVM Performance Tuning

2. Spring Ecosystem & Microservices

• Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Spring Cloud

• Microservices architecture patterns: Service Discovery, API Gateways, Circuit Breakers, and Distributed Transactions

• Enterprise messaging systems: Apache Kafka or RabbitMQ

• Hibernate / JPA for efficient object-relational mapping

3. Alibaba Cloud (Ali Cloud)

Hands-on deployment and administration experience with:

• Compute & Networking: ECS, SLB, VPC Networking

• Containers & Orchestration: ACK (Alibaba Kubernetes Service), Container Registry

• Storage & Databases: RDS, OSS (Object Storage Service)

• Operations & Security: Cloud Monitor, Function Compute, RAM (Resource Access Management)

4. DevOps & Tooling

• Docker & Kubernetes container orchestration

• CI/CD pipelines using Jenkins or GitLab CI

• Build automation tools: Maven or Gradle

• Code quality monitoring: SonarQube and Git version control

5. Databases

• Relational Databases: MySQL, PostgreSQL

• NoSQL Databases: MongoDB

Qualifications & Education

• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent practical experience).

• Proven experience building and deploying large-scale enterprise applications in production environments.

• Strong problem-solving skills, analytical mindset, and ability to troubleshoot complex distributed systems.