Zalo ★ 3.9

Zalo OA is the official account of a business on the Zalo platform. It provides a solution that helps hundreds of thousands of businesses connect and interact with over 75 million Zalo users.

🤖 What you will do

• Feature Implementation: Build and deploy user-facing features across the full stack (Frontend to Backend) for Zalo Official Account.
• API Development: Develop and maintain robust RESTful APIs to support client-side logic.
• Frontend Integration: Implement responsive UI components using modern frameworks (ReactJS/VueJS), ensuring high performance across devices.
• Optimization: Troubleshoot bugs, optimize database queries, and improve application performance/latency.
• Collaboration: Work closely with the Senior team, Product Owners, and QC to ensure product quality and delivery timeline.
• Code Quality: Write clean, readable code and participate in peer code reviews.

👾 What you will need

• Education: Bachelor’s degree in Computer Science, Information Technology, or equivalent.
• Experience: 3+ years of hands-on experience in Fullstack development.

Backend Skills:

• Proficiency in at least one backend language: Java (Spring Boot), Go, or NodeJS.
• Solid knowledge of RDBMS (MySQL/PostgreSQL) and basic query optimization.
• Experience with Caching (Redis) is a plus.

Frontend Skills:

• Strong skills in JavaScript/TypeScript, HTML5, CSS3/SCSS.
• Practical experience with ReactJS.
• Knowledge of State Management (Redux, Vuex) and asynchronous request handling.

General Skills:

• Good understanding of Data Structures, Algorithms, and OOP principles.
• Experience with Git, Docker, Linux and standard CI/CD workflows.
• Logical thinking and ability to work independently on assigned modules.

Security Awareness:

• Solid understanding of web security best practices, specifically XSS (Cross-site scripting) and CSRF (Cross-Site Request Forgery).

Nice to have

• Experience with High Traffic systems or optimizing page load speed.
• Knowledge of SEO principles (Search Engine Optimization) for Single Page Applications (SPA).
• Knowledge of authentication protocols like OAuth2, JWT.