Java Developer

1 day ago

Ho Chi Minh City Metropolitan Area, Vietnam Zalopay Full time

As a
Software Engineer
on our
Promotion
team, you'll lead the design and development of high-performance microservices, primarily using Spring Boot, Kafka, Redis, and various SQL databases. These services power our complex promotion systems, which handle thousands requests per second and serve millions of Zalopay users, processing diverse promotional campaigns including discounts, loyalty programs and marketing events.

You'll take ownership of critical system components, driving architectural decisions to ensure scalability, reliability, and maintainability of the whole Promotion system, evolution of our microservices architecture. Your work will directly impact Zalopay's ability to deliver seamless and engaging promotional experiences.

Job Responsibilities:

  • Lead the design and development of high-performance, fault-tolerant microservices using Spring Boot, Kafka, Redis, and SQL databases to support Zalopay's promotion systems.
  • Develop and maintain robust APIs for seamless integration with other Zalopay services.
  • Contribute to and drive the evolution of the microservices architecture, ensuring scalability, reliability, and maintainability.
  • Identify and resolve performance bottlenecks in high-traffic systems, optimizing for latency, throughput, and resource utilization.
  • Implement monitoring and alerting systems to proactively detect and address performance issues.
  • Write clean, well-tested, and maintainable code, adhering to established coding standards and best practices.
  • Conduct thorough code reviews and provide constructive feedback to team members.
  • Mentor and guide junior engineers, providing technical expertise and fostering a culture of continuous learning.

Job Requirements:

  • Minimum 3 years of Java programming and Web Development.
  • Strong knowledge of Spring Boot architecture and best practices.
  • Familiar with performance techniques such as caching, multithreading, monitoring, etc.
  • Familiar with SQL databases including MySQL/MariaDB, etc.
  • Excellent in problem-solving and analytical skills.
  • Experience with product development and monitoring, having mindset of product ownership, improvements and innovation.
  • Strong debugging and profiling skills.
  • Familiar and practiced with jUnit, Mockito, or similar testing libraries.
  • Strong experience writing SOLID code using OOP design patterns.
  • Experience with container technology such as docker and container orchestration systems such as Kubernetes.
  • Comfortable with code reviews, writing well-structured, maintainable code

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