I am a highly skilled software developer with over 9 years of experience in the dynamic and ever-evolving field of software development. My expertise primarily lies in cross-platform mobile application development, where I consistently deliver innovative solutions that bridge the gap between user experience and cutting-edge technology.

Committed to creating high-quality, user-centric mobile applications, I specialize in React Native, Flutter, iOS, and Android. My solid foundation in these technologies equips me to take on challenging projects and drive them to successful completion, consistently exceeding client expectations.

Programming Languages: iOS (swift, objective c), JavaScript/TypeScript, ReactJs.

Skills:

• React Native:

• Manage state: Redux and Redux-Saga, Redux-Thunk,  MobX, Recoil, Context API, TanStack Query

• Can work with class components and functional components with hooks.

• Building native modules (Android & iOS)

• iOS Development:

• Swift, Objective-C

• MVC, MVP, MVVM patterns

• Flutter:

• Dart programming

• State management with Provider, Riverpod, and Bloc

• Custom widget development

• Integrating native modules

• General Development

• Databases

• Object-Oriented Programming

• Agile Scrum

Tools:  Xcode, Android Studio, Visual Code, Postman, Git, NPM, Yarn, Jira, Trello, Miro, Figma

Financial Project – Switzerland

Developer, Dec 2023 – now

Responsibilities:

• Work directly with customers and managers to get requirements, transfer to technical specs, estimate, breakdown tasks, design source code structure and workflow, and assign team members to implement.

• Manage progress, task assignment, resources, and schedule to meet the deadline.

• Consult and provide solutions to develop functions and resolve issues.

• Continuously research and integrate new technologies based on customer demands and project needs to enhance platform capabilities and user experience

• Performance Optimization: Improved API response times at home screen from 10 seconds to 5 seconds by optimizing component rendering, caching data to cut down on API calls, and improving image loading. Used lazy loading and throttling techniques, enhancing user experience.

• Offer technical consultations and innovative solutions for developing new functions, enhancing existing features, and resolving technical issues

• Support QA teams on bug fixes, debugging and chasing root causes, increased Jest test coverage to 80%, significantly improving code reliability

Technologies:  

• React-native, ReactJs,  Graphql, Restful API, Jest test, E-2-e test, Sauce Labs, Firebase, Datadog, Mix Panel, Fullstory, AWS Cognito.

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Healthcare Project - UK

Developer, Jun 2021 – Dec 2022

Responsibilities

• Work directly with customers to get requirements

• Estimate, break down tasks, write code based on detailed designs and Functional/Requirement Specifications

• Research and apply the latest mobile technologies and design patterns to products.

• Support QA teams on bug fixes, debugging and chasing root causes.

• Consult and support customers to improve applications’ UI/UX, workflow, and performance.

• Code review, refactoring and reorganizing, optimizing the code

• Priority tasks in detail, support junior Dev to cover their issues.

• Deploy and release publish applications

Technologies

• React-native, Mobx,  Graphql, Svg chars like as Radar charts, Column charts and Line charts, Animation, Code push

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Educational Learning Platform - UK

Developer, Aug 2020 – Jun 2021

Responsibilities

• Make the detailed designs for assigned tasks

• Write code based on detailed designs and Functional/Requirement Specifications

• Perform full unit test on the assigned tasks

• Create detail design, code, unit test, code review

• Implement unit test

• Incident and bug fixing

• Priority tasks in detail, support junior Dev to cover their issues

Technologies

• React-native, React-context, Recoil, Redux ‍

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‍Enterprise Solutions Suite

Developer, Jun 2021 – Oct 2019

Responsibilities

• Build new features according to new requirements, make detailed designs for assigned tasks.

• Write code based on detailed designs and Functional/Requirement Specification

• Incident and bug fixing

• Priority tasks in detail, support junior Dev to cover their issues.

Technologies

• React-native, Redux, Redux-sagas, Mqtt, Observable

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Enterprise Mobile App - Legacy

Developer, Oct 2019 - May 2018

Responsibilities

• Build new features according to new requirements, make detailed designs for assigned tasks.

• Write code based on detailed designs and Functional/Requirement Specifications

• Incident and bug fixing, optimize code.

Technologies:  

• IOS (Objective C, MVP)

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Game Development App

Developer, May 2018 – Dec 2017

Responsibilities

• Build infrastructure for the new project from scratch.

• Build new features according to new requirements, make detailed designs for assigned tasks.

• Write code based on detailed designs and Functional/Requirement Specifications

• Incident and bug fixing

Technologies:  

• Based on Flutter programming language third party Flame. The Flame is Flutter’s top game engine.

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Housekeeping Management App

Developer, Dec 2017 – Feb 2016

Responsibilities

• Build new features accordingly to new requirements, make the detailed designs for assigned

• tasks.

• Write code based on detailed designs and Functional/Requirement Specifications

• Incident and bug fixing, optimize code

• Priority tasks in detail, support junior Dev  

Technologies:  

• React-Native, Hook, Class Component, Redux, Redux-sagas, MQTT

Education:

Ton Duc Thang University‍

Bachelor’s Degree in Computer Science