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Joanna Z.
Mobile Developer

Łódź, POLAND

11+ years experience

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280€/day

PROPOSE A MISSION

MY EXPERIENCE

Helion S.A.

January 2008 - January 2008

Translator of IT

Infosys BPO Poland Sp z o.o

August 2008 - June 2010

Accounting Associate

OTHER EXPERIENCE

TeleAtlas Polska Sp.z.o.o.

June 2010 - March 2013

Documentation & Training Developer

TomTom Polska Sp.z.o.o. / TeleAtlas Polska Sp.z.o.o., * Creating documentation of map production processes, procedures and methods. * Creating tool manuals and e-learning courses. * Administration, maintenance and development of new functionalities of the documentation platform based on MediaWiki * Creating MediaWiki extensions in PHP * Implementing automatic conversion of existing documentation to the MediaWiki format - programming in Python

APN Promise

January 2013 - January 2013

Translator of IT

TomTom Polska Sp z o.o

April 2013 - February 2014

Junior Software Engineer

* Performing automatic tests * Deployment of system components using Puppet * Administration, maintenance and development of new functionalities of the documentation platform based on MediaWiki * Creating MediaWiki extensions in PHP * Implementing automatic conversion of existing documentation to the MediaWiki format - programming in Python * Technical support for the Documentation&Training Developers Team

TomTom Polska Sp z o.o

March 2014 - November 2014

Specification Engineer

* Describing details of TomTom display products (2D City Maps, 3D Landmarks, Advanced City Maps) * Redesigning product data * Design of new visualisation products (2D City Maps) * Creating data samples of the new/redesigned products

Accenture

December 2014 - October 2015

Software Engineering Associate

* Creating native iOS apps in Objective-C, using Core Data, RestKit * Creating website for NGO in France (Drupal 7)

The Software House

November 2015 - August 2017

iOS Developer

* Creating native iOS apps, using: Swift, Core Data, Google Maps SDK, Firebase, Core Location, Auto Layout, interactions with REST services * Involved in creation of the following apps: - Bilingual (English and Arabic) application for ordering courier deliveries and local shopping with home delivery; worked in a team - Internal application for employees vacations management; worked in a team - Application for media agency from UK, used by journalists for fast upload of photos and videos; worked alone - Three loyalty applications based on the modular framework provided by the client; one of them, for Norwegian bank, needed extensive rebuild of several components; worked alone * UI design of a loyalty application * Involvement in many production phases - collecting requirements from client, UI/UX design, implementation of features, upload to AppStore

The Floow Limited

August 2017 - November 2018

iOS Developer

* Extending functionality of Telematics SDK for iOS - major rewrite and creation of the second version of the SDK. * Implementing functionalities in the core library used in the telematics applications: - Automatic detection of car accidents - Incremental synchronization of user data - New diagnostic logs system with custom encryption and automatic logs retrieval - Implementation of better security of the network communication (SSL pinning, certificate revocation handling) - Some aspects of handling BLE devices in the applications * Bugfixing existing telematics applications * Working on a new application - responsible for a leaderboard module * Tech stack: Objective-C, Swift, PromiseKit, CoreData, CoreBluetooth, XCTest, CoreCrypto, some C/C++ and Python (logs decryption), CocoaPods - also creation of new pods.

Techstars Startup Weekend

November 2017 - November 2017

Technical coach

the (http://communities.techstars.com/uk/sheffield/startup-weekend/11667#event-coaches)

Pocketworks

November 2018 - October 2019

iOS Developer

* Creating new and maintaining existing applications: - Swift application for football referees, allowing them to watch clips from Premier League matches; fixing CoreData and implementing automatic refreshment of new data. - Objective-C application communicating with external survey equipment via WiFi and TCP sockets - extending transfer of pdf reports and images between iOS device and survey equipment. - New Swift application for use during gin distilling experiences; work included setup and use of the Firestore backend. - New Swift application for construction company allowing custom drawing on the background maps, capturing data, generation of pdf files and exchanging data and files with backend. - Application for storing up to date documentation - refreshment of UI, creation of new PDF documents preview based on PDFKit. Introduced Swift into Objective-C application. * Tech stack: Objective-C, Swift, CoreData, XCTest, Firestore, Core Graphics, PDFKit, using REST API via URLSession, CocoaPods

MY STACK

Mobile
Apple iOS SDK
Languages
Objective-C, Swift, C++, HTML, XML
Technologies
BlueTooth Low Energy, Drupal, REST API, RestKit
IT Infrastructure
Git, iOS
Analysis methods and tools
JIRA
Protocols
JSON, TCP/IP
Others
Mediawiki, Teamwork, Technical Support
Environment of Development
Xcode

MY TESTS

NAME
SCORE
Swift quiz beginner level
19/20

Skills

Apple iOS SDKObjective-CSwift

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