Paul O.

Mobile Developer

540 dollar
Freelancer
28 years
Focsani, ROMANIA

My experience

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Encorsa HQ BucharestMarch 2019 - Present

* I made a full (developed, tested and published on Google Play) native Android app from local tourism category (CityApp). App was made with Kotlin and I used MVVM architecture. Data for this app was provided by an backend app API and was loaded in app via REST and JSON into internal repository. Internal repository load data from network and save it in Room Databases. App also include Google services like google map, firebase push notification, firebase authentication and youTube Api. App include an AR module that was made in Unity and was implemented in that Android app. https:// play.google.com/store/apps/details?id=com.primaria.videletour 

▪ I made an Android app from category Customer Relationship Management (CRM). This app consist of two distinct application (one for customers and one for sellers). Was written in Kotlin with MVVM atrchitecture (I used ViewModelsFragments, LiveData, Data Binding). Also app implement Firebase Authentication service, CameraX Jetpack support library, Google Vision for reading barcodes, ZXing library for generating new barcodes, remote data accessed via REST and JSON from external API. 

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DUOLINE STUDIO FocsaniMay 2017 - February 2019

* I made a full (developed, tested and published on Google Play) native Android app from
data collection category (Novel Research). App was made with Java. Data for this app was provided by an API and was loaded in app via REST and JSON using Retrofit library.
App also include Google services like google Vision, Firebase push notification. Google
Vision was used for OCR because app was designed for scan and OCR of fiscal receipts.
https://play.google.com/store/apps/details?id=com.research.novel.iscan
* I made both Android & iOS app from category Buildings Management for a client from
Canada. This app is used for management of parcel lockers from residential buildings.
Android app was made with Java. Remote data was provided via REST and JSON with
Retrofit library. Was used Google Vision for OCR of parcels labels and for identifying lockers with barcode. Also Firebase push Notification was used. iOS App was written in Swift and for remote data was used Alamofire library. I also helped to create the backend application and API, that was written in PHP using Yii framework.
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ON MEDIA DESIGN FocsaniJune 2012 - April 2017

* I made both Android & iOS app from category Food (Catering). Android app was made
with Java. Remote data was provided via REST and JSON with with Loaders and AsyncTaskClasses. iOS App was written in Swift and for remote data was used Alamofire library. This app was designed as extension at existent ERP service and restaurants could receive orders and reservations directly on their touch screens. I also create API, that was written in PHP.
* I made Android app for medical appointments. Android app was made with Java. Remote
data was provided via REST and JSON with with Loaders and AsyncTaskClasses.
* I made a game for iOS phones and tablets using SpriteKit framework.
* I made over 20 prototype app mostly Android whose sale did not materialise, but I learn a
lot and gained experience.
* I made a web application for internal use only for price calculation for manufacturing and
specific services activity. I used PHP, JavaScript Angular framework, MySQL, HTML
* I made a web application for sport club management (management of registration of the
athletes) using WordPress database of an existing site, PHP, JavaScript.
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ON MEDIA DESIGN FocsaniDecember 2000 - May 2012

* I made over 20 website using HTML, CSS, JavaScript, JQuery at the beginning and then
using WordPress. I create many themes & plugins for Wordpress
* Also I was graphic designer for many sites.
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TRACIA PROIECT FocsaniJune 1996 - November 2000

Technical Manager - TRACIA PROIECT Focsani

TRACiA PROIECT Focsani
* I was entrepreneur. This firm was my own firm. I deal with graphics advertising, prepress
services for printing companies.
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DIPLOMATIC INTERNATIONAL FocsaniMay 1994 - January 1996

DIPLOMATIC INTERNATIONAL (TV cable firm that was bought by UPC) Focsani
* I designed clients database and I made application for clients with Visual FoxPro.
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SOGEND FocsaniJanuary 1993 - January 1994

* I learned a lot about graphical design and prepress and I gained special skills as photo
editor. 

My stack

Languages

Kotlin, JavaScript, HTML, Java, Swift 4

Other

English, Foto editor special skills, OCR, sport club management, Back End, Cascading Style Sheets, Data Collection, Yii Framework, Mobile Developer, Mobile Applications, Romanian, French, graphical design

IT Infrastructure

iOS

Frameworks

AngularJS, Flutter, REST, jQuery, WordPress

Mobile

Android

Protocols

JSON

Others

API

Databases

MySQL, Visual FoxPro

Analysis methods and tools

MVVM

Technologies

REST API, RxJava, LiveData, Retrofit 2

My education and trainings

Flutter Devloper Bootcamp 2020 - Udemy2020 -

The Faculty of Engineering and Management of Technological Systems - University Politehnica1988 - 1993

Department Mathematics - Phisycs - National College1983 - 1987