Experienced iOS and Android Developer with Expertise in Flutter
Aktualisiert am 24.10.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.11.2024
Verfügbar zu: 100%
davon vor Ort: 50%
iOS
Android
Flutter
SWIFT
Kotlin
English
Fluent (C1)
German
Grundkenntnisse

Einsatzorte

Einsatzorte

Hamburg (+20km)
Deutschland
möglich

Projekte

Projekte

2 years 10 months
2023-05 - now

Designed and led the architecture of iOS applications

iOS Application Architect
iOS Application Architect
  • Built 2 iOS packages from scratch, enhancing the modularity of the apps and facilitating easier maintenance and feature expansion, reducing app load times by 12%.
  • Designed and led the architecture of iOS applications, improving scalability by 15% and optimizing app performance by 10%.
  • Introduced best practices for iOS development, decreasing defect rates by 20% across all iOS projects.
Panavion GmbH
4 years 1 month
2019-04 - 2023-04

Developed and implemented unit tests

Senior iOS Engineer
Senior iOS Engineer
  • Removed 80% of legacy Objective-C code, transitioning the codebase to Swift and reducing technical debt by 70%.
  • Introduced the MVVM design pattern, replacing the previous MVC (Massive View Controller) architecture, which improved code modularity and increased test coverage by 60%.
  • Developed and implemented unit tests for legacy features, increasing code reliability and reducing bug reports by 40%.
  • Created a Lotto widget, enabling users to play directly from the widget, resulting in a 15% increase in user engagement and app usage.
  • Delivered 2 speeches on iOS Development at local meetups, sharing insights on best practices and innovative approaches, and strengthening the company?s presence in the developer community.
Lotto24 AG
1 year 2 months
2018-04 - 2019-05

Developed a native Payment SDK

Senior iOS Engineer
Senior iOS Engineer
  • Developed a native Payment SDK for iOS, increasing transaction processing speed by 15% and improving user satisfaction by 20%.
  • Transitioned the payment interface to a native iOS solution, contributing to a 15% increase in iOS app revenue
Zalando SE
1 year 11 months
2016-05 - 2018-03

Engineered a real-time GPS tracking algorithm

iOS Engineer
iOS Engineer
  • Engineered a real-time GPS tracking algorithm for the iOS app, improving location accuracy by 20% and enhancing the reliability of the app?s core functionality.
  • Optimized the performance, resulting in a 10% increase in positive user reviews specific to the iOS platform.
  • Collaborated on iOS feature releases that contributed to a 15% increase in monthly active iOS users.
Uber Inc.
3 years 7 months
2011-01 - 2014-07

Delivered several in-house apps

iOS Engineer
iOS Engineer
  • Actively contributed to the development of 'Classtune' from scratch, gaining foundational experience in iOS development while working alongside a skilled app development team.
  • Developed core features for the iOS version of the app, enhancing my skills in Objective-C.
  • Delivered several in-house apps, which provided hands-on experience and accelerated my learning curve in iOS App Development.
Champs 21

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years
2014-01 - 2016-12

Computer Science

Master?s Degree, University of Texas at Arlington
Master?s Degree
University of Texas at Arlington
5 years
2006-01 - 2010-12

Computer Science

Bachelor?s Degree, Bangladesh University of Engineering & Technology
Bachelor?s Degree
Bangladesh University of Engineering & Technology

Kompetenzen

Kompetenzen

Top-Skills

iOS Android Flutter SWIFT Kotlin

Produkte / Standards / Erfahrungen / Methoden

Profile

I am a Senior Software Engineer with over 12 years of experience in Mobile App Development, specializing in iOS. I excel at designing scalable, user-centric mobile solutions and have successfully led a variety of high-impact projects. My expertise spans both iOS and Android platforms, and I am a strong team player, actively contributing to collaborative environments. Additionally, I am deeply involved in mentoring, lecturing, and technical writing, bridging technical precision with user needs to drive project success and foster community growth.


KEY COMPETENCIES

  • Swift, Objective-C
  • UIKit, SwiftUI
  • Combine, XCTest
  • MVVM
  • TCA
  • VIPER
  • JIRA, Agile, Scrum
  • Jenkins, CircleCI
  • Git Management
  • Problem-Solving
  • Leadership, Mentorship
  • Technical Writing

Einsatzorte

Einsatzorte

Hamburg (+20km)
Deutschland
möglich

Projekte

Projekte

2 years 10 months
2023-05 - now

Designed and led the architecture of iOS applications

iOS Application Architect
iOS Application Architect
  • Built 2 iOS packages from scratch, enhancing the modularity of the apps and facilitating easier maintenance and feature expansion, reducing app load times by 12%.
  • Designed and led the architecture of iOS applications, improving scalability by 15% and optimizing app performance by 10%.
  • Introduced best practices for iOS development, decreasing defect rates by 20% across all iOS projects.
Panavion GmbH
4 years 1 month
2019-04 - 2023-04

Developed and implemented unit tests

Senior iOS Engineer
Senior iOS Engineer
  • Removed 80% of legacy Objective-C code, transitioning the codebase to Swift and reducing technical debt by 70%.
  • Introduced the MVVM design pattern, replacing the previous MVC (Massive View Controller) architecture, which improved code modularity and increased test coverage by 60%.
  • Developed and implemented unit tests for legacy features, increasing code reliability and reducing bug reports by 40%.
  • Created a Lotto widget, enabling users to play directly from the widget, resulting in a 15% increase in user engagement and app usage.
  • Delivered 2 speeches on iOS Development at local meetups, sharing insights on best practices and innovative approaches, and strengthening the company?s presence in the developer community.
Lotto24 AG
1 year 2 months
2018-04 - 2019-05

Developed a native Payment SDK

Senior iOS Engineer
Senior iOS Engineer
  • Developed a native Payment SDK for iOS, increasing transaction processing speed by 15% and improving user satisfaction by 20%.
  • Transitioned the payment interface to a native iOS solution, contributing to a 15% increase in iOS app revenue
Zalando SE
1 year 11 months
2016-05 - 2018-03

Engineered a real-time GPS tracking algorithm

iOS Engineer
iOS Engineer
  • Engineered a real-time GPS tracking algorithm for the iOS app, improving location accuracy by 20% and enhancing the reliability of the app?s core functionality.
  • Optimized the performance, resulting in a 10% increase in positive user reviews specific to the iOS platform.
  • Collaborated on iOS feature releases that contributed to a 15% increase in monthly active iOS users.
Uber Inc.
3 years 7 months
2011-01 - 2014-07

Delivered several in-house apps

iOS Engineer
iOS Engineer
  • Actively contributed to the development of 'Classtune' from scratch, gaining foundational experience in iOS development while working alongside a skilled app development team.
  • Developed core features for the iOS version of the app, enhancing my skills in Objective-C.
  • Delivered several in-house apps, which provided hands-on experience and accelerated my learning curve in iOS App Development.
Champs 21

Aus- und Weiterbildung

Aus- und Weiterbildung

3 years
2014-01 - 2016-12

Computer Science

Master?s Degree, University of Texas at Arlington
Master?s Degree
University of Texas at Arlington
5 years
2006-01 - 2010-12

Computer Science

Bachelor?s Degree, Bangladesh University of Engineering & Technology
Bachelor?s Degree
Bangladesh University of Engineering & Technology

Kompetenzen

Kompetenzen

Top-Skills

iOS Android Flutter SWIFT Kotlin

Produkte / Standards / Erfahrungen / Methoden

Profile

I am a Senior Software Engineer with over 12 years of experience in Mobile App Development, specializing in iOS. I excel at designing scalable, user-centric mobile solutions and have successfully led a variety of high-impact projects. My expertise spans both iOS and Android platforms, and I am a strong team player, actively contributing to collaborative environments. Additionally, I am deeply involved in mentoring, lecturing, and technical writing, bridging technical precision with user needs to drive project success and foster community growth.


KEY COMPETENCIES

  • Swift, Objective-C
  • UIKit, SwiftUI
  • Combine, XCTest
  • MVVM
  • TCA
  • VIPER
  • JIRA, Agile, Scrum
  • Jenkins, CircleCI
  • Git Management
  • Problem-Solving
  • Leadership, Mentorship
  • Technical Writing

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