Hồ Chí Minh
Full-time
Rolled out in 2012, Zalo has proved itself as the leading instant messaging app in Vietnam with more than 78 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 managing team members.