George Muntean
Verified Expert in Engineering
Software Developer
Bucharest, Romania
Toptal member since September 11, 2021
George is an iOS developer with 20 years of experience in enterprises, startups, and freelancing. He's worked across many projects, including eCommerce, banking, machine learning, mobile games, third-party libraries, etc. Having a background in mobile gaming, George has a passion for graphic design, UX functionality, and building intuitive applications. He is curious about using the latest Apple technologies and also is proficient at improving existing apps.
Portfolio
Experience
- iOS - 15 years
- Xcode - 15 years
- UIKit - 10 years
- Core Data - 5 years
- CocoaPods - 5 years
- Firebase - 5 years
- Swift - 5 years
- SwiftUI - 1 year
Availability
Preferred Environment
Xcode, iOS, Swift, Firebase, CocoaPods, Carthage, Jira, Jenkins, TeamCity, SwiftUI
The most amazing...
...iOS game I’ve developed is The Robbery, an escape room game with 24 levels—each with its own story and unique design.
Work Experience
Senior iOS Developer
Deutsche Bank
- Worked in scrum teams as an iOS developer to develop new features and participate in product architecture.
- Cooperated with colleagues in retrospectives to choose the best approach for the sprint, like: pair programming, splitting components, and brainstorming for new features ideas.
- Pushed the adoption of new technologies into the projects: machine learning and Vision Kit for auto-detection and mapping the data from documents.
- Kickstarted a suite of automated UI tests scheduled on TeamCity to drastically reduce regression time.
- Refactored components to meet Swift and API updates and developed shared libraries to be used across multiple projects.
- Involved in cross-team communication for architectural decisions to reduce the impact and risks for the newly added functionalities.
- Formed a new team with six members by participating in technical interviews for iOS developers, QA engineers, and business analysts. Introduced and ramped them up into the project.
- Performed a mixed role of product owner and iOS developer in the project and acted as a product value maximizer.
- Participated in business meetings to plan budgets, roadmaps, releases, and mitigate risks for the ongoing year.
Senior iOS Developer
Cronos Technologies
- Developed an SDK for iBeacon technology with syncing mechanisms based on Core Data.
- Worked on existing Objective-C apps, optimizing, bug fixing, and adding new features.
- Refactored the Core Data layer for an existing eCommerce application reducing the initial loading (synchronization) time from two minutes to a couple of seconds.
- Developed an application for a real-estate client that integrated a new technology of 3D filming inside the buildings.
- Implemented a path-finding algorithm into an indoor navigation application.
- Developed various apps for big names like Renault, Red Bull, Versailles and Quai Branly museums, and painters Monet and Edvard Munch.
- Integrated smooth 3D animations with OpenGL into a pharmaceutical app.
- Managed junior iOS developers in the team and participated in technical interviews.
Java J2ME Developer
Vivendi Games
- Worked in teams for porting mobile games on hundreds of supported devices.
- Tracked and fixed bugs using Jira and interacted with the testing teams.
- Optimized code so that low-end phones can support the games.
- Researched iPhone's new features and capabilities for OpenGL.
C++ Developer
Code Turbine
- Developed several mobile games from scratch in C++ for Qualcomm's Brew platform.
- Worked at developing a font-end sprite editor in C# used in several games.
- Optimized a car racing game to work on low-end devices.
- Improved the game engine so that it could be used on multiple projects.
- Added UI components in the game engine so that popups, scrollable texts, and menu items could be added to the games.
Experience
Taxi App on iOS
https://www.gocab.roMobile Game in App Store
eCommerce Application on App Store
https://apps.apple.com/us/app/monoprix-et-moi-100-promos/id480953369Education
Engineer's Degree in Computer Science
POLITEHNICA University of Bucharest - Bucharest, Romania
Certifications
Certified Scrum Product Owner
Scrum.org
Certified Scrum Master
Scrum.org
Skills
Libraries/APIs
CocoaPods, Alamofire, OpenGL, SpriteKit, REST APIs, DirectX
Tools
Xcode, Jira, GitLab CI/CD, GitHub, Jenkins, TeamCity, Visual Studio, Photoshop 7, Git
Languages
Swift, Objective-C, Swift 5, C++, Java, Assembly, C#, C, HTML, JavaScript, CSS, GraphQL, HTML5
Frameworks
UIKit, Core Data, StoreKit, MapKit, SwiftUI, iOS SDK, Scaled Agile Framework (SAFe), GameKit
Paradigms
Unit Testing, Automation, Agile, Design Thinking, Scrum
Platforms
iOS, Firebase, Software Design Patterns
Other
Code Review, Carthage, Software Development, Product Management, Product Ownership, Software Architecture, IT Systems Architecture, Scrum Master, Scrum Coaching, Stakeholder Management, Design Sprints, CI/CD Pipelines, Fintech, Jailbreak, Image Manipulation, Messaging
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