Hồ Chí Minh
Full-time
Rolled out in 2012, Zalo has proved itself as the leading instant messaging app in Vietnam with more than 70 million monthly active users. We develop a messaging application that provides fast, stable, convenient, and private connection for users anytime, anywhere.
What you will do
- Design, develop and implement Chat Functions.
- Optimize the performance of products in Zalo Ecosystem on the iOS platform;
- Code base ownership. Ability to design and maintain large complex code base. Ensure scalability, maintainability and testability
- Utilize your problem-solving and analytical skills to maintain the existing application and create sophisticated solutions to solve complex technical problems;
- Continuously discover, develop and implement new technologies to maximize Zalo Products’ efficiency;
- Design systems combining cloud and mobile, ensuring real-time data synchronization and preventing data loss
- Collaborate with the Product Owner, UI/UX, and QC team to define, design, and refine product features.
What you will need
- At least 3 years of experience in Objective-C (preferred) or Swift;
- Solid fundamental knowledge about Data Structure & Algorithms, OOP, Design Pattern, Memory Management, and Computer Architecture;
- Strong programming skills in creating animations on iOS;
- Solid understanding of networking concepts, including experience working with RESTful APIs and the ability to understand and implement socket connections effectively;
- Understanding of MVC, MVVM;
- Knowledge about UX/UI on mobile;
- Having a strong sense of ownership, open-mindedness, and eagerness to learn;
- Experience in manage team-members