๐ Experienced Mobile App Developer with 6 Years of Expertise
I am a seasoned mobile app developer with a rich background in crafting innovative and high-performance applications. Over the past 6 years, I have refined my skills in creating seamless and user-friendly experiences for iOS platforms using Swift, Objective-C, and SwiftUI.
My expertise extends beyond native iOS development, as I am proficient in cross-platform technologies such as React Native and Flutter. This enables me to deliver versatile and efficient solutions that cater to diverse user bases, including iPad.
Key Skills:
iOS Native development: Swift, Objective-C, SwiftUI
Cross-platform development: React Native, Flutter (iOS & Android)
UIKit, SwiftUI, WatchOS
Integration with Google Chrome Cast, Airplay
Google Maps integration, Geofencing, Live Tracking
Custom UI development, GPS implementation
Scanner applications, OpenCV, Image Scanner
Barcode Scanner integration
Photo editing app development
eBook applications
API integration, Firebase, CoreData
AVAudio Player, Video Player implementation
Tab navigation, Drawer navigation, and more
My portfolio includes a wide range of applications, from sophisticated mapping and tracking solutions to interactive and feature-rich multimedia applications, optimized for iPad users. I am well-versed in implementing cutting-edge technologies and ensuring optimal performance across various devices.
If you are looking for a dedicated and experienced mobile app developer to bring your ideas to life or enhance your existing projects, I am here to deliver top-notch solutions that surpass your expectations. Let's collaborate to turn your vision into a reality!
iOS Development
iOS
Objective-C
Swift
Native App Development
Firebase
React Native
Push Notifications
In-App Search
Social Media Account Integration
Android App Development
User Authentication
JavaScript
In-App Purchases
Mobile App Development
Sonam S.
Toronto, Canada
$5/hr
4.6
2 jobs
An Electronics Engineering graduate with rich experience in mobile application development. Adept
in planning, execution and spearheading projects. Have good knowledge of coding standards and memory management.
Objective-C
C
MySQL
HTML5
SQLite
XML Web Services
Embedded C
PHP
C++
Apache Cordova
Harish A.
Toronto, Canada
$21/hr
5.0
3 jobs
Iโm a Senior iOS Developer with 10+ years of software engineering experience, including 7+ years specializing in native iOS development.
I build, maintain, and modernize iOS applications using Swift, SwiftUI, UIKit, GraphQL, REST APIs, MVVM, CoreBluetooth, and scalable mobile architecture. I have experience taking features from requirements through development, testing, debugging, optimization, and production delivery.
Iโm comfortable working with both new projects and existing codebases. I can help with developing new features, fixing complex bugs, modernizing legacy applications, improving performance, integrating APIs and third-party services, and preparing applications for TestFlight and production release.
### What I can help with
โข Native iOS development using Swift, SwiftUI, and UIKit
โข Existing codebase review, debugging, and modernization
โข New feature development and end-to-end implementation
โข REST API and GraphQL integration
โข MVVM, SOLID principles, and scalable architecture
โข CoreBluetooth and device connectivity
โข Authentication, Keychain, and secure data handling
โข Performance optimization and production issue resolution
โข Unit testing, debugging, and TestFlight deployment
โข Push notifications, deep linking, offline storage, and third-party integrations
I also have cybersecurity certifications including CompTIA Security+, CySA+, and CSAP, which helps me apply security best practices when developing mobile applications.
If you have an existing iOS application that needs development, debugging, modernization, testing, or refinement, Iโd be happy to help.
iOS Development
Apple Xcode
Objective-C
Swift
RESTful Architecture
Cocoa Touch
XML
Core Data
JSON
SOAP
GraphQL
SwiftUI
Muhammad Nauman Y.
Toronto, Canada
$40/hr
5.0
13 jobs
Results-oriented iOS Application Developer with a goal of creating applications to facilitate the users and provide them the best user interface experience. I also understand the importance of creating highly readable and easily maintainable code. I deliver quality results to tight timelines. I can create RESTful applications and work through different third party libraries. I have the skills of creating beautiful animations and can apply every type of CRUD operations. I have full command on creating native iOS apps.
iOS Development
iOS
Swift
Python
Java
C++
Camera
Data Structures
Red Hat Enterprise Linux
Git
Arduino
Raspberry Pi
Object-Oriented Programming
Mahfuzur R.
Toronto, Canada
$9/hr
4.6
14 jobs
SENIOR iOS DEVELOPER
20+ NATIVE iOS APPS | EXPERT PROBLEM SOLVER & BUG FIXER | AGILE ENTHUSIAST
SUMMARY OF QUALIFICATIONS
โ Extensive experience in developing high-quality iOS applications, with expertise in Swift, SwiftUI,
Objective-C, with hands-on expertise in Combine and URLSession for efficient app
communication.
โ Proven ability to design and build complex apps from scratch, following Appleโs Human Interface
Guidelines, and successfully navigating the App Store review process.
โ Strong knowledge of app architecture patterns like MVC, MVP, MVVM, and VIPER, with hands-on
experience in integrating RESTful APIs, third-party libraries, and JSON parsing.
โ Strong communicator skills with experience working in cross-functional teams in fast-paced
environments, bringing a proactive and collaborative approach to problem-solving skills.
โ Developed robust iOS applications of audio and video category and possess extensive
knowledge of audio and video frameworks, including AVFoundation.
โ Proficient in XCode, ensuring quality code and implementing continuous integration and
continuous delivery (CI/CD) throughout the development lifecycle.
โ Strong advocate for Agile methodologies, driving best practices in coding standards, code
reviews, testing, and operations, ensuring high-quality and reliable code.
PROFESSIONAL SKILLS
โ Languages: Swift, SwiftUI, Objective-C, Java, C/C++.
โ Technologies: OpenGL ES2, GLSL .
โ Database: RealmSwift.
โ IDE/Tools: Xcode, Android Studio, VSCode, Git/Github, Bitbucket. Jira.
โ Design Patterns: MVC, MVVM, MVP, Dependency Injection, SOLID Principles, etc.
โ Frameworks: Combine, AVFoundation, Core Data, Core Animation, Firebase, RESTful APIs.
โ Deployment: Appleโs AppStore and Googleโs PlayStore.
โ Methodologies: Agile (Scrum).
โ Other Skills: CI/CD, Code Review, Testing(Unit testing and UI testing), Bug Fixing.
WORK EXPERIENCE
iOS Developer
Gemstone Lights Calgary Ltd., Alberta, Canada Dec 2022 โ Present
โ Develop and maintain an iOS application (GemStoneHubiOS). Fix critical issues and implement
new features to enhance user experience using Objective-C and Swift.
โ Fix critical issues such as SignUp and Login flow related.
โ Implement various features like exporting 64 patterns data in a single Json file.
โ Developed several high-performance iOS applications using SwiftUI, focusing on responsive design
and user experience.
โ Redesigned and developed 'GemStoneHubiOS' application with SwiftUI using various state
management strategies, resulting in intuitive and maintainable code.
โ Integrated โCombineโ with this('GemStoneHubiOS') SwiftUI app to build reactive interfaces, along
with Core Data, animations, and transitions, resulting in faster load times and smoother user
experiences.
โ iOS App Storeโs Link: Gemstone Lights Hub.
Senior iOS Developer
KITE GAMES STUDIO Ltd., Dhaka, Bangladesh Jan 2019 โ Sep 2022
Key Responsibilities:
โ Developed and maintained over 20 native iOS apps using Swift, SwiftUI, and Objective-C, adhering
to Appleโs HIG and ensuring long-term project viability by converting 6 projects from Objective-C to
Swift, including VideoEditor and AddMusicToVideo.
โ Facilitated collaboration and code quality by establishing a robust continuous
integration/continuous delivery(CI/CD) pipeline, mitigating integration issues, and catching bugs
early, resulting in faster app release to AppStore.
โ Enhanced user satisfaction by addressing feedback, fixing critical bugs and adding essential
features, increasing user acquisition 20% during 2017 and 2019.
โ Conducted competitive analysis to implement highly demanded features, improving app quality and
functionality, as a result more than 15% new users were acquired.
โ Developed efficient testing guidelines for QA, reducing testing cycle time and improving testing
accuracy, which allowed the QA team to deliver apps faster than before.
โ Researched faster mask image generation using an ML model for "AI Effect" and optimized the
"Reshape" feature in BeautyEditor, competing with Facetune.
โ Implemented concurrency and multithreading to manage image uploads/downloads in
PhotoVolt, resolving race conditions.
โ Integrated different architectures(MVC, MVP, MVVM, VIPER) architectures in key projects, ensuring
scalability and maintainability.
โ Led Agile Scrum practices, maintaining Jira-based sprints and retrospectives for continuous
project improvement.
โ Utilized CoreData, Realm, Keychain, and UserDefaults while adhering to SOLID principles for data
persistence.
โ Developed a custom framework CustomVideoCompositor for VideoEditor iOS app, reducing
development time by 30%, which allowed other developers to focus on critical features.
โ Collaborated with cross-functional teams, improving team efficiency and product outcomes.
โ Delivered training on OOD principles, design patterns, and Agile methodologies, enhancing team
skill sets.
โ Integrated native and third-party frameworks like AVFoundation, Firebase, and Alamofire across
multiple project
iOS
Objective-C
Swift
SwiftUI
UIKit
Mobile App
Python
Java
Mohammadali G.
Toronto, Canada
$30/hr
5.0
1 jobs
๐ iOS Developer | Swift & SwiftUI Expert | App Optimization & Upgrades
Hi, Iโm Ali, a highly skilled iOS developer with a strong background in Swift, SwiftUI, and UIKit, specializing in app modernization, performance optimization, and seamless upgrades to the latest iOS versions. With years of experience, I have helped businesses enhance their mobile applications by implementing the latest Apple technologies while ensuring smooth performance and top-tier user experience.
๐น My Expertise Includes:
โ iOS App Development โ Building and maintaining high-performance iOS applications using Swift & SwiftUI.
โ App Upgrades & Migration โ Updating legacy projects to the latest Xcode and iOS versions while fixing deprecated APIs.
โ UI/UX Optimization โ Implementing modern UI elements that enhance user experience and align with Appleโs guidelines.
โ Performance Tuning & Bug Fixing โ Improving app speed, responsiveness, and stability.
โ API Integration & Backend Communication โ Connecting apps with RESTful APIs and Firebase.
โ App Store Submission & Compliance โ Ensuring smooth submission and approval in the App Store.
๐น Why Work With Me?
๐ Proven Track Record โ Delivered multiple successful iOS projects with top client satisfaction.
โก Detail-Oriented โ Clean, maintainable, and scalable code following best practices.
๐ Seamless Communication โ Transparent and responsive collaboration throughout the project.
๐ Performance-Driven Approach โ Ensuring efficiency, speed, and usability in every app I work on.
If youโre looking for a dedicated iOS developer to upgrade, optimize, or build your app from scratch, letโs connect! Iโm excited to bring your ideas to life and help your app thrive in the latest Apple ecosystem.
๐ฉ Letโs discuss your project today!
iOS Development
Apple Xcode
Swift
Mobile App Development
iOS SDK
SwiftUI
macOS
Mac OS App Development
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