Profilbild von Enrico Hessel Sen. iOS App Developer (14+ years) | Freelance | SwiftUI, Swift, UX, UI Design aus Duesseldorf

Enrico Hessel

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Letztes Update: 29.02.2024

Sen. iOS App Developer (14+ years) | Freelance | SwiftUI, Swift, UX, UI Design

Firma: become true GmbH
Abschluss: 14+ years of iOS Development
Stunden-/Tagessatz: anzeigen
Sprachkenntnisse: deutsch (Muttersprache) | englisch (verhandlungssicher)

Dateianlagen

2023-11-Enrico-Hessel-CV_281123.pdf
2023-11-Enrico-Hessel-Portfolio-cp_281123.pdf
Referenzschreiben-Enrico-Hessel_121223.pdf

Skills

“Ich bin ein erfahrener iOS-App-Entwickler mit über 14 Jahren iOS & macOS Entwicklung, UX und UI Design. Von Ideen bis hin zu Großprojekten für Agenturen und Konzerne war ich in über 40 Apps als Freelancer unterwegs. Meine vielseitigen Fähigkeiten und freundliche Persönlichkeit bereichern Teams & Business. Als Fullstack-Entwickler bringe ich umfassendes Know-how und Synergie in jedes Projekt.”

"I am an experienced iOS app developer with over 14 years of iOS & macOS development, UX, and UI design. From ideas to large projects for agencies and corporations, I have worked on over 40 apps as a freelancer. My versatile skills and friendly personality enrich teams & businesses. As a full-stack developer, I bring comprehensive expertise and synergy to every project."

Customers:
diconium (Volkswagen), MHP a Porsche Company, PwC, PeopleFactor GmbH, UZE Mobility, Cedar Systems GmbH, mVISE AG, SaleSphere GmbH, FredFox, Uplink Network GmbH, Cityguide AG, Compass Heading GmbH,
SoftwareSupply, townKULT UG, tyre1 GmbH & Co. KG and more ...

Stack:
SwiftUI, Swift, ObjC, Tuist, Clean Architecture, UnitTest, Combine, XCode, SPM, CocoaPods, JIRA, Swift, Objective C, MVVM, MVP, MVC, MVVM, GitLab, Google Firebase, Confluence, Amazon AWS, SQLite, SQLCipher, Object Box, REST, iOS AudioVideoFoundation, BlinkID, APN, Swiftify, PaintCode, Sketch, Bootstrap, AngularJS, WordPress Theme + Plugins Development, InVision, Azure, IntelliJ, Affinity & Adobe, Jenkins, Scrum, Docker, Swagger, GitHub Actions, CloudKit, SwiftGen, SwiftLint
 

Projekthistorie

11/2023 - 02/2024
macOS App Development & Release - TimeVault
become true GmbH (Internet und Informationstechnologie, < 10 Mitarbeiter)

Idea, Concept, Production, UX, UI, CoreData, TestFlight, UnitTests, Clean Architecture, SwiftUI, Marketing Materials

11/2021 - 11/2023
Sen. iOS developer, freelancer, module development for Volkswagen App
diconium (Automobil und Fahrzeugbau, 1000-5000 Mitarbeiter)

- Implementation of UseCase, Factory, Repo Patterns & reactive Programming (Combine)
- Implementation of Dependency Injection / Dependency Management (@Injected)
- Implementation of SnapshotTesting, extent/update UnitTests
- Implementation of Tuist, SwiftLint etc.
- New Project setup using Tuist of Smart Home module for Volkswagen App
- Connecting to IoT Platform & Devices, Collaboration with IoT-Platform
- Follow Scrum principles and TeamWork / Coordination with other teams on this project

11/2019 - 10/2021
Project lead developer, conceptual consulting, UX and UI designer
PeopleFactor GmbH,
 become true GmbH, PwC, Cedar Systems GmbH (Internet und Informationstechnologie, 50-250 Mitarbeiter)

- Creating project UX and UI concept
- Creating iOS / Swift projects build on mvp and mvvm pattern
- Creating API connectivity to use OBD/ CarData of BMW, Mercedes, Jaguar & Land Rover - Creating smart data evaluations to predict car maintenance and customer services

- Creating Web Interface for administration of car and customer data

- Creating semi automatic trading software using MQL5 for MetaTrader & financial products
 - Creating smart push services for active and passive app & backend communications

- Implementing BlueTooth communication services

- Creating Javascript based dashboard with visual data presentation using ZingChart

07/2018 - 09/2019
iOS Lead Developer, UX & Conceptional Consultant
UZE Mobility GmbH, Zeittrinken App, mVISE AG, Utility & Entertainment App (Internet und Informationstechnologie, 50-250 Mitarbeiter)

- Creating iOS / Swift projects build on model view presenter pattern

- UX optimization of user registration and identification module

- Implementation of OCR for documents identification (identity card, drivers license)

- Selfi-Video recording for verification purpose using iOS AudioVideoFoundation

- Multiplayer functionality using iOS GameCenter and Multipeer Connectivity

- In app purchase using StoreKit and local database using SQLite and Object Box

- Implementation of new CSS/JS/Thymeleaf website into running Java Spring Application


01/2018 - 06/2018
Project lead developer, conceptual consulting, UX and UI designer
TWW Talents world wide GmbH (vormals AESH GbR) | talents App (Internet und Informationstechnologie, 10-50 Mitarbeiter)

- Creating project UX and UI concept 

- Consultant of strategic business and app & web features planing

- Test driven iOS development and backend development using PHP/MySQL/WordPress
 - Implementation of amazon web services and social media sharing functionalities


09/2017 - 03/2018
iOS lead developer, conceptual consulting, UX and UI designer
Fredfox, Kandinsky Deutschland GmbH,
 tyre1 GmbH & Co. KG,
 Fabric Stash (Internet und Informationstechnologie, 50-250 Mitarbeiter)

- Prototyping and UI/UX design for an internal iPad sales application using InVision, Sketch
 - Design and implementation of realtime data synchronization service using REST for online and offline usage, notification changes

- Design and implementation of fabrics organizing system (file and database design) for local persistence and online synchronization services


11/2015 - 08/2017
Project lead developer, conceptual consulting, UX and UI designer
townKULT UG (haftungsbeschränkt) | townKULT App,
 talkstr Voice Messaging (Internet und Informationstechnologie, 10-50 Mitarbeiter)

- Creating project UX and UI concept

- Consultant of strategic business and features planing

- Test driven iOS development and backend development using PHP/MySQL/WordPress
 - REST-API-Engine development using custom made WordPress-Plugins and JSON

- Implementation of local database using SQLite for offline usage

- Jenkins continuous integration, automated testing

- Implementation of audio recordings using iOS AudioVideoFoundation

- Designer of C.I. and print media

- Scrum, Kanban


09/2012 - 08/2015
Apps lead developer, conceptual consulting, UX and UI designer
CITYGUIDE AG (Internet und Informationstechnologie, 50-250 Mitarbeiter)

- Creating project UX, UI concept and features planing for iOS and Android

- iOS Prototyping

- Development of app organization system to handle > 350 city apps

- Development of sales enterprise application for iPad and backend connectivity
 - App distribution on the App Store


08/2011 - 07/2015
iOS lead developer, conceptual consulting, UX and UI designer
Fredfox, Kandinsky Deutschland GmbH ( ca. 15 Apps),
 UPLINK Networks GmbH,
 Softwaresupply (3 Apps) (Internet und Informationstechnologie, 50-250 Mitarbeiter)

- Creating project UX, UI concept and features planing for iOS
 - App distribution on the App Store

- Porting Android apps to iOS

- File and data encryption


- Implementation of audio editing, photography and music functions

- Development of white label fair fit games (2D with physics engine) and sales devision apps for Audi, VW Bank, Business Talk of Bundesagentur für Arbeit, Athlon, AutoOnline, Skoda and more

- Development of a surveillance monitor for VHF transmitters and displaying all radio stations on large smart TVs with data and status updates


Reisebereitschaft

Weltweit verfügbar
Raum / Area of Düsseldorf
oder / or 
Remote
Profilbild von Enrico Hessel Sen. iOS App Developer (14+ years) | Freelance | SwiftUI, Swift, UX, UI Design aus Duesseldorf Sen. iOS App Developer (14+ years) | Freelance | SwiftUI, Swift, UX, UI Design
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