Flutter, Dart


Highly experienced Senior Developer with 5 years of success in full-stack mobile development and cross-platform development using Flutter. Expertise spans both Front-End (elegant user interfaces) and Back-End development, including proficiency in Pure PHP. A results-driven engineer who has successfully published 14 applications across the Play Store, App Store, and App Center, complemented by a strong command of Firebase, One Signal, Pocket-base, CI/CD, Git Hub, and Jira. Adept at bug fixing, committed to writing clean code, and possessing strong organizational and problem-solving skills required to immediately contribute to a senior-level team.
Responsibilities:
• Develop and maintain a self-checkout POS system using Flutter & Dart
• Sync product catalogs, pricing, and stock levels via REST APIs,
• Ensure compatibility with POS hardware like Sunmi
• Implement contactless payments (Bank Transfer, City Reward), QR code scanning, and card reader support
• Connect with receipt printers, barcode scanners, and cash drawers using Bluetooth,
USB, or network protocols
Achievements:
• Successfully released the apps on major platforms, receiving positive feedback for UI/UX design and features
Proficiency in cross-platform development with Flutter & Dart Framework
Experienced in Firebase & Cloud Messaging, One Signal, and Pocket base for seamless communication and push notifications in mobile applications
Extensive experience in implementing CI/CD using GitLab for efficient and automated deployment of Flutter projectsUnderstanding in code refactoring and app architecture designExperiences in design patterns, mobile architecture(MVC) frameworks & libraries, application release cycle & UI interfaceCompetent with RESTful APIs and handling JSON dataCapable of utilizing JIRA For Project Management, as well as Bitbucket, Git, SourceTree for version control system
Familiar with Android Studio, XCode, Simulator, Emulator, PostmanExcellent problem solving & Enthusiastic in continuous learning
Write clean, efficient and well-documented code following best practices and coding standards
Integrate external APIs and third-party services to enhance application functionality and data exchange
Collaborate with product managers, designers, and other developers to gather requirements
Experience in code reviews, providing constructive feedback to team members
Stay up-to-date with latest industry trends, technologies and best practices to continuously improve
Familiarity with version control systems (eg Git)
Proven ability to work effectively in collaborative team environment
Able to work in agile environment
Design and build advanced applications for Android and IOS platform using Flutter
Certificate in Managing Change
Flutter, Dart
HTML, CSS, Javascript
PHP
MySQL
Hive
Figma
CMS with SharePoint
SQ Lite
Jira
Clickup
Trello
Reactjs
App Architecture: MVC, MVVM
DevOps: CI/CD (Fastlane, Jenkins, GitHub, GitLab)
Learning New Technology
Reading Books
I have implemented E-commerce application, loyalty & wallet (FinTech), logistics system, healthcare system and POS system application with flutter language.
In E-commerce application
https://github.com/Aeain23
E-commerce & POS (ERP)
Health Care
Loyalty Point System