Hồ Chí Minh
Full-time
What you will do
Design and develop new features for the Zalo Mini App ecosystem;
Build high-performance, scalable web applications using Java and ReactJS;
Write clean, maintainable, and well-documented code;
Collaborate closely with the Product team to define, customize, and deliver user-facing features;
Support partners and the developer community in integrating and building Mini Apps.
What you will need
Good understanding of core programming concepts, data structures, and algorithms;
Experience in developing frontend applications for real-world products, with a focus on optimizing UI/UX and performance
Strong problem-solving and logical thinking skills;
High sense of ownership, teamwork, and accountability;
Backend knowledge/experience (Java, RESTful API) is a plus.
Frontend Skills
Experience working with ReactJS (70%) in production environments;
Solid understanding of modern JavaScript (ES6+), HTML5, and CSS;
Experience with state management (e.g., Redux, Context API) and building modular, reusable components;
Familiar with responsive design, cross-browser compatibility, and frontend performance optimization;
Experience with frontend tooling and build systems (Webpack, Babel, Vite, etc.).
Nice to have
Experience in developing SDKs, Frameworks, or Libraries for the developer community is a strong plus.