Mobile Engineer II, Promotion & Gamification

MoMo is Vietnam’s leading mobile payment and super-app platform, empowering millions of users to make daily transactions that are fast, secure, and joyful. We are looking for a Mobile Engineer to join our Promotion & Gamification team, where you’ll play a critical role in designing and developing scalable systems that power MoMo’s in-app advertising ecosystem. At MoMo, our Promotion & Gamification connects businesses with millions of users through intelligent, data-driven, and personalized campaigns. You will work on large-scale distributed systems that manage campaign delivery, ad ranking, user targeting, and real-time analytics — ensuring every impression counts.What you will doWork closely with product teams and various engineers to create visually appealing and functional applications;Design, build and test significant features in super app architecture;Monitor and operate existing systems;Enhance and resolve issues in the current codes, perform unit testing and integration testing;Develop responsive and user-friendly interfaces using modern front-end frameworks such as ReactJS, React Native, Kotlin, Swift;Write clean and efficient code;Research and apply new technology to optimize and enhance current system;Optimizing components for maximum performance across a vast array of devices and browser;Enhance and resolve issues in the current codes, perform unit testing and integration testingWhat you will needBachelor’s degree in Computer Science, Software Engineering, or a related field;At least 2 years of experience in software development;Proficient in React Native, Java (Kotlin), iOS Swift, HTML, CSS, and JavaScript;Experience with ReactJS/ NextJS/ VueJS;Be familiar with RDBMS such as MySQL/PostgreSQL/Oracle or NoSQL databases such as MongoDB is a plus;Good knowledge of data structures, system design, and algorithms;Familiarity with responsive design principles;Experience with version control systems such as Git;Experience with caching solution such as Redis;Ability to work independently and as part of a team;Able to quickly manage new technologies.Why You'll Love Working HereWe are passion with new technologies, not follow the old-track of outsourcing. We love our product and ready to sacrifice everything for it! You often argue with your boss? Don’t worry, here in M_Service, you will get salary increase if you win your boss in argument. We love objection!!! You hate company trip in hotel, resort? We only conquer difficult and hottest road in team building. Do you want to join?What you will get:Competitive compensation package.Performance-based bonus.Insurance package.Chance to work with smart people with international experience.Our benefits:Attractive compensation & benefits.13th month salary bonus and yearly performance bonus.14 paid days off per yearPremium health care insuranceGreat allowances (lunch, parking, birthday, happy hours....)Salary review at least one time per year based on employee's performance and contribution.Outing/team-building activities (company trip , soccer sport, english club, running club,..).Other benefits as per stated in Vietnamese Labor LawWork with experienced & strong team.Friendly, dynamic & flexible working environments.