Dimitrios Tsoumanis
IOS Developer
Nea Moudania
Summary
Driven by a solution-oriented mindset, I excel at identifying root causes and resolving issues efficiently within tight deadlines. My focus is on continuously enhancing my technical skills while fostering a collaborative team environment. With a flexible approach, I'm open to exploring diverse perspectives and problem-solving strategies. I believe in authenticity and integrity, striving for excellence in everything I do.
Overview
11
11
years of professional experience
5
5
years of post-secondary education
Work History
Senior IOS Developer
Pushologies
11.2022 - Current
- Improved SDK performance by identifying bottlenecks, optimizing legacy code by refactoring key modules and reducing build times by 10%.
- Implemented Async-Await, reducing callback hell and improving code readability.
- Rewrote a B2B demo App using Swift and UIKit. Add new features in SDK as per business requirements.
- Use protocols with MVVM. Bitrise for CI/CD.
- Create new SDK releases for SPM and Cocoapods.
Senior IOS Developer
MIR Limited
03.2021 - 10.2022
- Contributed to replacement of RxSwift with Combine where possible.
- Maintain MuchBetter App (eWallet) using RxSwift, UIKit, SwiftUI, Combine and MVVM. Firebase for RemoteConfig, Google Cloud. CircleCI and Fastlane for deployments.
- Contributed to increase in app store rating through new feature implementation and bug fixes.
Mobile Developer
Wood Mackenzie
03.2019 - 02.2021
- Led the successful migration of Portal App to new "skin" for iOS using Swift, SwiftUI, Realm, Restful API's.
- Implemented Realm database, enhancing offline capabilities and reducing data fetch times when reopening reposrts.
- Setup the Android App for Greentech Media using Kotlin, Realm.
- Push new versions to App Store/Play Store.
IOS Developer
NN4M
05.2015 - 02.2019
- Create and maintain iOS Apps for retail customers (e.g. Wetherspoon, RiverIsland, Mothercare) using Objective-C and Swift.
- Third party dependencies with Cocoapods.
- Kanban process with Jira.
Software Developer
IntelligentComms
06.2014 - 09.2014
- Use .NET and SQL server to generate reports for telecoms.
Software Developer
Syngro
11.2013 - 05.2014
- Maintain and enhance main product using ASP.NET, Web Forms in C# and Entity Framework.
Education
Master of Science - Computing
Edinburgh Napier University
Edinburgh 09.2012 - 09.2013
Bachelor of Science - Computer Science And Telecommunications
Technological Educational Institute of Thessaly
Larissa, Greece 09.2006 - 10.2010
Skills
Xcode, Swift, UIKit
Timeline
Senior IOS Developer
Pushologies
11.2022 - Current
Senior IOS Developer
MIR Limited
03.2021 - 10.2022
Mobile Developer
Wood Mackenzie
03.2019 - 02.2021
IOS Developer
NN4M
05.2015 - 02.2019
Software Developer
IntelligentComms
06.2014 - 09.2014
Software Developer
Syngro
11.2013 - 05.2014
Master of Science - Computing
Edinburgh Napier University
09.2012 - 09.2013
Bachelor of Science - Computer Science And Telecommunications
Technological Educational Institute of Thessaly
09.2006 - 10.2010
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