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$30 USD / hour
Flag of RUSSIAN FEDERATION
st.petersburg, russian federation
$30 USD / hour
It's currently 7:03 AM here
Joined February 13, 2009
1 Recommendation

Sergei L.

@SergeiL

4.9 (20 reviews)
5.6
5.6
$30 USD / hour
Flag of RUSSIAN FEDERATION
st.petersburg, russian federation
$30 USD / hour
100%
Jobs Completed
100%
On Budget
100%
On Time
50%
Repeat Hire Rate

Professional Software Development, C#, C++, etc...

More than 25 years experience in software development.
Freelancer Windows Developers Russian Federation

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Portfolio Items

Application screenshot related to the project  Raw Image Processing with C# -- 2 https://www.freelancer.com/jobs/Software-Architecture/Raw-Image-Processing-with-7656261/
X-Ray Images Processing (Computer Vision)
Some of my earlier public works, published on well known cnet.com (former download.com) Link to my developer profile http://download.cnet.com/mobile/sergei-v-lepitko/3260-20_4-6284119.html
Some of my earlier public works...
Official certificate of software registration (in Russian).
One of the authors of a complex system

Reviews

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Showing 1 - 5 out of 19 reviews
Filter reviews by: 5.0
$1,714.56 USD
I still lots of Sergei code in my project. Sorry I never closed this one out. [17 November, 2015] Sergei became my right-hand man, and will continue.
C Programming C# Programming Software Architecture MySQL C++ Programming
+1 more
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Flag of Robert K. @robertkjr3d
5 years ago
4.8
$750.00 USD
Sergei was great to work with. He was fast, accurate and diligent. Great communication skills. Will work with again.
.NET C# Programming Software Architecture C++ Programming
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Flag of Charles C. @idscanner
8 years ago
5.0
$50.00 USD
We worked together in private comments. So I told him to submit to the comments. At first I wasn\'t getting any submissions. So then I messaged him, and to see if he could help me. He could.
Windows 8 Windows API
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Flag of Robert K. @robertkjr3d
8 years ago
5.0
$900.00 USD
Xrays I was asking for the impossible, and the impossible was what he delivered. He would show me images, then I would say, compare this. I was picky, and he would tweak them so to get them better.
C# Programming Software Architecture Imaging
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Flag of Robert K. @robertkjr3d
8 years ago
5.0
$255.00 USD
Good job. I recommend Sergei.
C Programming C# Programming Software Architecture
G
Flag of Thomas B. @GhostAtom
9 years ago

Experience

Sofware startups & Freelancing

Free development
Mar 2007 - Present
I'm familiar with the following technologies & tools: IDEs: MS Visual Studio 2010, NetBeans 7.3 Languages: C#, C++, PHP, SQL, XML, HTML, JavaScript Databases: MySQL Technologies: Ole DB, ADO, ADO.NET, Remoting, Web applications programming (web services) on C# (ASP.NET) and PHP, etc... Libraries: .NET Framework, MFC, STL, ATL, WTL, Windows API Other: some experience in Linux Administration (CentOS 6.3), Apache, Nginx, etc... Currently: I'm learning programming for CMS Drupal 7.

Senior IT Specialist

Vibrotek
Feb 2000 - Jan 2007 (6 years, 11 months)
Architecture, object-oriented analysis & design complex systems. IT consulting and training. Technical problem solving. I'm one of the authors of a complex system. See the official certificate of software registration in my Portfolio (in Russian). == IDEs: MS Visual Studio 6.0, 2003, 2005; Borland C++Builder 5.0 Languages: C++, C#, SQL Technologies: COM, DCOM, BDE

Senior Software Developer

VAST CJSC
May 1994 - Jan 2000 (5 years, 8 months)
Applications development, related to diagnostics and monitoring mechanical systems. Databases: Paradox, RAIMA DBMS. Languages & IDEs: Borland C++ 4.0-5.2, Borland C++Builder 3.0-5.0 Libraries: OWL, VCL

Education

Master of Physics

Dnipropetrovs'kij Nacional'nij Universitet, Ukraine 1979 - 1984
(5 years)

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Certifications

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Top Skills

Windows Desktop 9 Imaging 1 Algorithm Machine Learning (ML) Face Recognition

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