Senior Fullstack Engineer

Zalo-Thành phố Hồ Chí Minh, Vietnam

Hồ Chí Minh

Full-time

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.
  • 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.