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$30 USD / hour
Flag of UKRAINE
kalush, ukraine
$30 USD / hour
It's currently 5:25 PM here
Joined July 2, 2011
1 Recommendation

Oleksandr L.

@olexl

monthly-level-three.svg
4.9 (22 reviews)
6.2
6.2
93%
93%
$30 USD / hour
Flag of UKRAINE
kalush, ukraine
$30 USD / hour
96%
Jobs Completed
100%
On Budget
94%
On Time
43%
Repeat Hire Rate

Making your tools even more simple

I started working on mobile platforms in 2004 when it was not trendy (who remembers PalmOS?) and I used C/C++ for that. In those days most devs would frown at smartphones seeing them as bad copies of ‘real’ big computers. But time passed, Apple released its iPhone, Google – its Android, and all of a sudden Mobile was everywhere. And Microsoft with its Windows Mobile was too late to the party. So, as PalmOS was obsoleting, I learned Windows Mobile, iOS, and Android - all native. I personally prefer native because it allows for better results in terms of performance and distribution file size. For instance, my apps rarely exceed 10MB threshold. Consequently and logically, that enables a blazing fast app launch. When developing apps I primarily fosus on: - Human Interaction Design, that is to make them easy to use and less prone to user mistakes. - Reliability. I test apps in many scenarios and, if supported, in many window sizes. - Performance. Thanks to my experience with low-level programming in C++, I have a good understanding of how to design apps to be fast. - Animations. I usually use basic animations, but if there’s budget I can add complex animations as well. If you need a Software Developer who can do app, back-end, database, and sometimes a little research on something (kind of a Universal Soldier in software development) - that's me, a Swiss knife of IT. iOS is just my most up-to-date skill. Front-end Platforms & Languages: - 5 years iOS (2y Swift / 3y Objective-C) (1.5y SwiftUI / 3.5y UIKit) - 2y Android (1.5y Java / 3m Kotlin) - 1y Windows CE / Mobile (.NET CF / C#) - 7y PalmOS (C / C++) - 1y Web-site Development (HTML / CSS / JavaScript /XML / XSLT / XSD) Back-end (time in-parallel to the front-end): - 7y MS SQL Server (Transact-SQL) - 5y ASP.NET Web-services (C# / MS IIS)

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Portfolio

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Reviews

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Showing 1 - 5 out of 22 reviews
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5.0
$30.00 USD
Oleksandr L. is very skilled iOS expert. And very kind too. I hope to hire him again when I have a new project.
iPhone
Swift
Apple Xcode
Swift Package Manager
Xcodebuild
D
Flag of Hyungdal K.
@dalnimbest
1 month ago
5.0
$100.00 USD
We have been dealing with many freelancers and i can say that Olexandr really does the job! Moreover he deliver that extra you might not even expect: find bugs, fixes some small items. WOW !!! This is really superb! I'm 101% we will do more work with Olexandr. THANK YOU!
PHP
iPhone
Objective C
iOS Development
User Avatar
Flag of Dmitry M.
@sportsdev
2 months ago
5.0
$1,080.00 AUD
He's literally the best freelancer ever. Held my hand through the tricky process and went beyond the call of duty. Highly recommend. THE BEST!
Mobile App Development
iPhone
S
Flag of Stephanie K.
@stephkrie
6 years ago
5.0
$331.50 AUD
Outstanding. Olex was recommended by a colleague and has surpassed my expectations. I am very happy with communication and product :)
Project Management
iPhone
Objective C
iPad
+1 more
S
Flag of Stephanie K.
@stephkrie
7 years ago
5.0
$1,230.00 USD
Oleksandr is fantastic. I will continue to try and use him for all and any future projects.
Project Management
iPhone
Objective C
iPad
+1 more
I
Flag of Nathan D.
@iunderstand
7 years ago

Experience

Mobile Application Developer

Pieoneers
May 2020 - Dec 2020 (7 months, 1 day)
Completed parts of a project both for iOS and Android platforms. The app is a working tool that wirelessly connects to an inclinometer and records its readings/measurements. It can also present different charts and some statistics. Technologies iOS: SwiftUI, Combine, Core Data, charts, unit testing. Technologies Android: Kotlin, LiveData, Realm, charts, unit testing.

Android Application Developer

Conscensia
Sep 2015 - Feb 2017 (1 year, 5 months)
Worked in a large distributed international team on an Android app for Danish social/healthcare system. Also completed proof-of-the-concept subproject to ensure our auto-translated Java packages can be used by iOS application. Technologies: Android Studio, Java, data-binding, JSON, DSTU2, unit testing, J2ObjC, bash scripting, Xcode project configuration, JIRA.

Project Manager and Junior-to-Senior Software Developer

Eleks Software
Jul 2002 - Aug 2011 (9 years, 1 month)
Activities include: - development of enterprise application for ordering by scanning product barcodes - management of development team - communication with customer - building database architecture - system support

Education

Master of Computer Science

State University 'Lviv Polytechnics', Ukraine 1998 - 2003
(5 years)

Publications

Investigation of Algorithm for Minimization of Boolean Functions by Clusterization

National University Lviv Polytechnic
International Conference TCSET’ 2004 in Slavsko, Lviv, Ukraine (Feb 24 – 28)

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Certifications

freelancer_orientation.png Freelancer Orientation 1 95%
SQL_1.png SQL 1 93%
obj-c-3.png Objective-C 3 88%
iPhone_Development_1.png iPhone Development 1 85%
us_eng_3.png US English 3 85%
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