Fatjon is an innovative mobile apps developer, well versed in the iteration of native and cross-platform mobile applications for a wide range of clients. He develops solutions that are technologically sound and aesthetically impressive in the delivery of highly engaging, personalized experiences for mobile users. Fatjon takes active part in all phases of the development cycle, from initial concepts to technical design and implementation, product enhancements, and market release.
Worked on a kids app (Open English Junior), building activities with React Native Expo & React Native Expo Web.
Wrote all E2E tests and added tests with Cypress apps using React Native Expo Web; released apps from scratch and moved from multiple apps to monorepo.
Maintained the app in production with bugfixes, adding features and improvements, etc.
Provided design and technical expertise for the iteration of mobile apps using React Native.
Prototyped and developed React Native apps with complex internal logic and UIs as solutions for clients, working with the latest mobile technologies, development platforms, APIs, and tools.
Handled consultancy tasks for mobile apps design with best-in-class UX, performing preventative maintenance per company standards and industry best practices.
Performed full lifecycle development on iOS apps using Swift and XCode, handling technical designs and implementation for 4+ complex iOS apps on the project.
Led code refactoring on solutions from MVC to MVVM, MVVM-C, RxSwift and managed app performance testing for robustness, usability, and general reliability.
Drove complete feature enhancements and implementations from requirements through to deployment, correcting bottlenecks and fixing bugs.
Architected solutions for Android mobile platform using Java and Android Studio, with a good knowledge of design patterns, frameworks, and libraries.
Researched and shared industry innovations and trends on solutions using different Java Design Patterns as MVP, Observer Pattern, etc.
Implemented new technologies and used best practices to maximize the development efficiency of software solutions for Baboon, helping the client reduce business costs.
PI is an educational application that contains everything parents need between their children and schools: from registration to messages, learning assessment, calendars, and reports. Developed a cross-platform (Android and iOS) app built in React Native to connect
parents with their kid’s school, allowing them to check the child's
progress through pre-analyzed data, get notifications about grades,
absences, evaluations, and check schedules and progress on each
subject.
160 Driving Academy is the largest and fastest-growing US vocational training institute working as the premier adult education institution and job creator. Worked on the development of an internal learning management system built for managers and instructors of 160 Driving Academy to be able to manage students across 50+ schools. The system provides daily-updated, pre-analysed data from students' activity.
Contributed to the development of 160 Driving Academy's Truckers Network app, which helps truckers network and grow through a multi-use platform. It connects users to thousands of job placements, with opportunities for first-time truckers looking for their first job or users who simply want to find the best opportunities available.
Worked on Softmogul's Hotel PMS suite, building various iOS apps with very complex functionalities to help hotel owners, managers, receptionists, cleaners, etc. manage their property/work. Improved app performances and code readability, undertaking massive refactorings and performance improvements on the suite.
Helps kids whose native tongue is Spanish or Portuguese to learn English through sync learning (live classes with teachers) and async learning (programmed lessons, quizzes, etc.).
![Senior React Native Developer - Open English Junior [React Native Expo/React Native Web] (existing)](https://d19d9m2dcgrxq7.cloudfront.net/d0572830-8494-4e95-b4ee-c544c258f13c.png)
