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Last updated: October 1, 2015

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Daniel I.

Daniel I.

Senior C#/.NET Developer

Ukraine - Tests: 9 - Portfolio: 9

Over last 14 years I was involved in the development of different business applications and sites for wide variety of the industries. During my decade in the freelancing industry, occupying different positions (from developer to team lead) I have built strong work habits that drive remote development efforts to the success by: - proactive identification of the requirements and business knowledge holders, decision maker(s) - analysis of the requirements towards vital risk factors like development time/system performance - communication of the vital requirements/knowledge/raised risks to the decision makers and involved persons - keeping requirements simple, implementable and comprehensible by constant validation, clarification & refinement - immediate notification of the decision maker(s) about all factors changes that affect development process - setup of process (bug tracking, source control, etc) if needed - and many more - based on my intuition and experience I developed extensive design & development knowledge, skills, experience and intuition and can do: - requirements gathering, validation & clarification - application architecture design (gui, multi-tiered/server side, reliability/messaging) - object oriented design & implementation with simplicity and extensibility in mind - multithreading, server side (web services, XML/JSON, CQRS) - apply design patterns where appropriate - investigate/apply efficient data structures and algorithms - database design, implementation with reliability, availability & consistency in mind - database performance tuning - performance tuning by identification and optimization of the innefficient: API usage, algorithms, data structures, database implementation/usage, transactions handling, network interaction, etc - resources management fixes (memory/resources/handles leaks) - "sense" for the algorithm/workflow complexity in means of time/memory consumption Primary technologies: - .NET, C#, WPF, WCF, LINQ, ASP.NET/MVC - SQL, MS-SQL/T-SQL, Firebird, PostgreSQL, MySQL, SQLite - ADO.NET, Entity Framework, NHibernate - Spring.NET, Castle, Unity - MSMQ, RabbitMQ - WinForms, WPF, DevExpress, Telerik - Android/Java (REST,SOAP, JSON, GCM, SSL) I'm willing to communicate at any suitable time through Skype or any other preferred IM. I'm available 40+ hours per week and usually available from 10:00 to 22:00, UTC+2:00 Looking for interesting projects and long-term relations. Regards, Daniel

78% Job Success
$27.78 /hr
5,173 hours

Felician V.

Felician V.

Full stack LAMP Developer

United Kingdom - Tests: 8 - Portfolio: 4

You could say I have been a geek for all my life. I've ben playing around with computers and wires since I was 8 and my first programming language was BASIC. I loved computers since 1988. After BASIC, I went on learning Turbo Pascal, then Visual Basic, then switched on Borland Delphi and Kylix(which gave me a good taste of Linux). Around 1999, the Internet was a pretty interesting thing but it was never my first choice until 2006 when I really got into HTML (with PHP and Javascript) and decided to be a professional freelancer. I bring to the table over 10 years of experience mostly doing bespoke PHP web development projects. And by bespoke I mean code specifically written for the task at hand and not customizing a CMS like Wordpress or something similar. Because of that, the projects I build are usually faster,simpler and more secure. I have very good experience in the following areas: HTML, PHP(my favourite PHP framework is CodeIgniter), MySQL, jQuery. During all this time, I learned one thing: quality makes the difference. There's a thousand ways to skin a cat, but the common point of every way is a solid end result. Therefore, whatever I build, I simply do it until it's perfect and it does exactly what it's supposed to be doing.

80% Job Success
$30.00 /hr
497 hours

Alexander Cherkashin

Alexander Cherkashin Agency Contractor

C#,C/C++,OpenGL,CUDA,machine learning, OCR

Russia - Tests: 11 - Portfolio: 2

Languages: • C++, C#, C, Java, Delphi, php Databases: • Oracle (PL/SQL), MSSQL, PostgreSQL, Firebird, MySQL Technologies: • (C#) .NET (2.0-4.0), WPF, winforms, silverlight, ASP • (C++) MFC, GTK+, QT High-Performance parallel computing : • CUDA, MPI, OpenMP Graphic: • OpenGL, DirectX Machine learning: • OpenCV, OCR (Optical Character Recognition), Mobile development: • Android SDK, NDK. Other: • DevExpress, CrystalReports I specialize in developing of enterprise applications. I previously worked in the information systems department of the FESCO (Far Eastern Shipping Company) company. I was responsible for the development and support of software projects, the design and developing of SQL databases, development of instructions on working with software. I took part in the development some projects used at present the company (see my portfolio). My CV:

Associated with: Injun

100% Job Success
$27.00 /hr
97 hours

Volodymyr Kolesnykov

Volodymyr Kolesnykov Agency Contractor

Web/Software Developer, LAMP Admin with 23+ Yrs of Experience

Ukraine - Tests: 32 - Portfolio: 20

Senior developer/project manager, with over 19 years experience, who specializes in web (PHP/MySQL/(X)HTML/CSS/AJAX/JavaScript/XML and everything web-related) and software (C/C++/Qt) development and system administering (Linux/UNIX, security, monitoring, optimization, fine-tuning, cloud computing).Over the past years I have worked in consulting environment and implemented a multitude of web solutions, for a number of clients, on time and on budget. I am a team player (although can work alone) capable of learning quickly and becoming a valued member of any team. I am always searching for an opportunity to expand experience, learn something new and work on challenging and interesting projects.I do not fear any difficulties, can work under time pressure and strive for superb quality of everything I do (this means scalability, code quality and cleanness, strict adherence to standards etc). If you have an interesting project and you want to have it completed in workmanlike manner, you are always welcome!My credo is "Everything worth doing worth doing well" — I always do more than you expect.

Groups: Bluehost Developers and Designers, Kohana...

Associated with: WondersLab, ICS Agency

93% Job Success
$55.56 /hr
11,242 hours

Nemanja C.

Ruby on Rails aficionado, with a great eye for UX, easy to work with

Serbia - Tests: 10 - Portfolio: 6

Seasoned Ruby on Rails developer, UX enthusiast and a great communicator. "Most efficient way to get things done is to not do them at all" - Unknown Greek philosopher from Serbia

Groups: MailChimp Experts Group

$50.00 /hr
884 hours

Roman Smoliarenko

Roman Smoliarenko Agency Contractor

Senior Back-end Developer / Technical Lead


14 years of experience in desktop and web applications development. Last 6 years — in area of Internet acquiring, payments processing plus development of the biggest web-mail server in the Ukraine. Used to work under flexible development methodologies in close interaction with end-users and customers. Have strong leadership skills and solid experience of management.

Associated with: Entenso Ltd.

$39.00 /hr
0 hours

Vitaliy S.

Vitaliy S.

Senior .Net, C++, Delphi, Java and database developer

Ukraine - Tests: 10

Fast, smart, efficient work. Highly experienced front-end developer with focus on desktop and web applications (C++, .Net (C#, ADO.NET MVC & WebForms, Delphi, Java). I have in-depth knowledge of Transact-SQL and I have often used different types of databases, for instance PostGreSQL, MS SQL Server, MySQL, Oracle, MS Access, Firebird and many others. My aim is to create good looking applications which can be easy to use. Every day I get new knowledge and skills to be able to build modern programs which can take advantages of a new computer technologies.

100% Job Success
$27.00 /hr
5,320 hours

Oleg L.

Oleg L.

Expert Developer - C# | C++ | C | Delphi | PHP | JS | MySQL | SQL

Ukraine - Tests: 18 - Portfolio: 10

I have 14+ years of experience in the IT industry. I have 11+ years of developing desktop applications and websites. I am looking for opportunities to use and sharpen my existing skills, and hopefully acquire and develop new ones as well. I love my work and job as well as my product. This means, hi-quality and perfect-product are my slogan. I am interested in developing desktop application, web-sites, mobile web / native applications, where I can experience and acquire new techniques and experiment and improve them using my own knowledge on the field. I also have some experience in the following areas: video, audio and photo editing.

Groups: LoginRadius

100% Job Success
$24.44 /hr
1,194 hours