(Senior) Software Engineer, Java, Zalo Miniapp

• Design and implement high-performance, scalable, low-latency backend services using Java;

• Build and maintain internal services and APIs that support Mini App functionalities;

• Write clean, maintainable, and well-documented code;

• Collaborate closely with the Product team to define, customize, and deliver user-facing features;

• Optimize system performance, handle high concurrency, and ensure platform reliability.

👾 What you will need

• From 1+ year of experience in backend development (Java);

• Experience working with MySQL, and exposure to NoSQL databases (e.g., MongoDB, Redis);

• Good understanding of data structures and algorithms;

• Experience with system optimization, scalability, caching, and distributed systems is a plus;

• Understanding of RESTful API design and best practices;

• Familiarity with frontend (JavaScript/ReactJS) is a plus but not required;

• Strong problem-solving and analytical skills.