- Improve the industry-standard protocol for authorization by centralizing and handling concurrency requests for refresh-token.- Improve Klikdokter websites performance metrics from warning to greenlight.- Handle several chat indicators from sent and error to pending, sent, delivered, read and error.- Revamp several consultation features such as waiting doctor, instant consultation, etc.- Handle analytics several events to be sent to Insider and Google Analytics 4.- Implement all insurance features. - Handle revamp and bug fix on the public and partner websites.

- Revamp old checkout screen from native to be a webview using NextJS.- Implement several tracking event analytics for analysis and marketing purposes.- Review the pull requests from team members.- Implement Global Search and Category pages to be used in Native apps.- Implement auto select time slot delivery to the nearest available slot time from selectedmanually to improve checkout conversion rate.- Ensure the rendering performance is the best

- Worked on various technology such as (Android (Java), React Native, Website (React/GatsbyJS) )- Ensure the unit test coverage to be 100% and ensure the code works properly by create unit test for each function or Component using Jest, Enzyme, React Testing library for React or React Native. Junit for Android Native (Java).-Reviewing all front end developer prs which related to functionality or logic to make sure the time complexity is fastest.- Ensure the quality code fulfill the standards by fixed all warning and code smells reported by SonarQube.- Worked with foreigner teams and clients from the United States. - Worked on 5 software development projects.

- Analyze and create Human Resource Information System (Humoris) Web-based.- Analyze, normalize, design and create database tables- Analyze business processes and list of functional system- Analyze and create diagram design (UML, DFD, etc)- Design and create the UI application using BootStrap 4 and Jquery- Develop web applications using Codeigniter PHP based