Middle/senior Software Engineer
3 weeks ago
Hồ Chí Minh
Full-time
We are the backend team that continuously develops technologies for the Zalo Ecosystem. We handle two key areas:
- The Java framework: This provides core technologies for high-performance systems, such as database connections, caching, and more.
- Internal operation services.
**What you will do**:
- Design, develop, and maintain internal Java framework following our strict coding conventions;
- Contribute to the ongoing maintenance, improvement, and operation of internal tools;
- Develop complex features that interact with multiple components within the system;
- Collaborate closely with other engineering teams to ensure efficient system integration and functionality.
**What you will need**:
- Minimum **3+ years** of experience as a backend software engineer;
- Willingness to learn our in-depth technologies;
- Essential experience in multithreading and asynchronous programming;
- Good at problem-solving and debugging skills;
- A basic understanding of the following areas: system architecture, CI/CD, containerization (Docker), Kubernetes, NoSQL databases, message queuing systems, and caching;
**Nice to have**:
- Experience in DevOps, Linux, and scripting. You should be able to write scripts for building, deploying, and testing;
- Practical experience of the inner working of backend technologies, for example: load balancing algorithms, pooling, TCP socket programming, logging, append-only files;
- A good understanding of network protocols (TCP, UDP, HTTP);
- Experience with RPC protocols, API design, testing skills.
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