Top Upwork Freelancers

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  1. Patrick D.

    Patrick D.

    Professional vb.net & efficient GUI programmer

    Belgium - Tests: 10

    specialised in : embeded https/AES server - vb.net - assembler programming - older computer languages for interfacing with new technology - script languages(html,java..) -microconttroller experience - hardware interconnection to network - IEEE - reverse engineering - expert serial data communications - server applications - encryption - Express language.( Fipertec) - ... realized projects -- http://patrick-de-bruyne.scienceontheweb.net/index.htm

    $10.00 /hr
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  2. Savio Barros

    Savio Barros

    Senior Software Developer with Java and Database Experience

    Brazil

    I am system analyst for over 10 years. My main skill are: - Java EE Development and Architecture - Most commons application servers ( JBoss, Websphere Liberty and Full profiles, Glassfish) - BPM - SOA (EAI patterns, web services, message mediations and flows) - Relational Databases (Oracle, SQL Server and My SQL) - NoSQL Databases (MongoDB)

    $20.00 /hr
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  3. José Eduardo Perotta De Almeida

    José Eduardo Perotta De Almeida

    Software Engineer - Full stack software architect

    Brazil - Tests: 3 - Portfolio: 9

    I'm a software architect with over 15 years of experience. Over the last 15 years, I have been working as consultant for Brazilian banks, as security analyst consultant and for some U.S. software development houses, as software engineering consultant or software developer I am seeking opportunities to build realtime web applications, REST, RIA and simple web applications Technical Skills - Perl / Modern Perl - Javascript - OO - Paterns - MVC - PostgreSQL - Redis - RabbitMQ - Microsoft SQL server - Classic ASP - PHP - Linux Servers - Windows Servers - Deep knowledge of software engineering - COM/DCOM - Web scraping - Realtime and high availability web applications - HTML5 Frameworks - Mojolicious - Catalyst - Dancer - DHTMLX - EXT - Jquery - Dojo - Joose Wide vision of process: - development - security - infrastructure - communication Experienced in: - designing / implementing RIA and realtime web applications - designing / implementing REST APIs and clients - methodologies - porting applications from / to windows / linux environments. - Windows servers - Linux servers DHTMLX & Javascript ninja I'm a CPAN contributor and a brazilian Perl Monger

    $55.00 /hr
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  4. Dmitry Kozlov

    Dmitry Kozlov

    .NET Developer

    Belarus - Tests: 1

    'Better to do well, than to say well' Summary • Motivated software development Specialist with 7 year experience in architecture, design, implementation, and support for business solutions, Windows applications and services, Web applications and services, etc. • Additional experience includes team leading, software build management. • Strong knowledge of OOP, Design patterns; Extensive expertise in C#, WinForms, Silverlight. • Excellent problem-solving skills and interpersonal skills, result-oriented capable team player. Technical Skills Languages: C#, Visual Basic, Visual C++, C++, XML, SQL, HTML Technologies: .NET 4.5 and below, WinForms, Silverlight, WPF, WCF, Windows Phone SDK, Entity Framework, LINQ, DevExpress Library, Aspose.Cell Library WinAPI, MFC, COM, ATL, STL, GDI+, Stingray Library ODBC, XML/XSL/XSL Environment: MS Visual Studio 2005/2008/2010/2012, MS Expression Blend 2.0/4.0, ReSharper, Visual C++ Assist RDBMS: MS SQL Server 2005/2008, MySQL, Oracle 9i/10g OS Platform: Windows 98/Me/NT/2000/XP/Win7 Management Tools: Jira, iTechArt.SMG, MS Project, Microsoft Visio, TestTrack PRO Version Control: SVN, CVS Continuous Integration: TeamCity

    $16.67 /hr
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  5. Frantskevich A.

    Frantskevich A.

    iOS developer

    Ukraine - Tests: 2 - Portfolio: 4

    Hi, my name is Alexandr Frantskevich. I am from Minsk, Belarus. I have been working as an iOS developer for 3 years. I have significant, proven experience working with real ios applications that occupy a leading position in the appstore. Have experience with mobile advertising and advertising networks, with ios built-in and custom interfaces for mobile applications. A brief list of skills and technologies covered: 1. iOS (iPad, iPhone) development 2. iOS extensions (Today, Keyboard, Share) 3. UIKit 4. Object C development 5. Parse 6. MopUb and ad networks (facebook ads, amazon ads, inmobi) 7. HTTP, JSON, XMPP development. 8. Push notifications. 9. Google Map integration. 10. Social network integration. 11. Supporting application localizations. 12. Autolayouts and NSConstraints. 13. Size classes. 14. Cocos2d 15. OpenGLES

    $20.00 /hr
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  6. Federico S.

    Federico S.

    Software Developer / Database Developer

    Bolivia - Tests: 5

    I'm a Software Development and Database Development Expert and a Certified Scrum Developer with experience in Agile Methodologies: https://www.scrumalliance.org/community/profile/fencinas Here are some facts that speak for themselves: I have over 10 years in the software development industry, almost 8 years using Database Engines and more than 6 years experience using Microsoft Technologies. Here are some of the technologies I'm used to work with: .Net, C#, MVC, ASP.NET, SQL Server, EF, LINQ I'm looking for clients that are seeking experience and quality over quantity.

    $22.22 /hr
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  7. Mikhail Maslyukov

    Mikhail Maslyukov

    C/C++ Software Developer

    Ukraine - Tests: 3

    I have 5+ years of experience in development of low-level firmware and system applications with C/C++, OOP/OOD, multi-threading system programming on Linux and Android with unit testing. At present, I hold a position of a Senior Developer at Luxoft. Working at this company I obtained excellent experience in C++ languages. Recent project I was involved in helped me to improve my skills in system programming, get better understanding STL, Boost and Linux kernel. I am self-organized and result-oriented person, have good communication and analytical skills. Have ability to solve complex problems quickly.

    $18.00 /hr
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  8. Andriy Shevchuk

    Andriy Shevchuk

    Network Administrator

    Ukraine

    Infrastructure Specialist and Instructor with experience in design, implementation, and support for WAN/LANs, wireless networks, DNS, DHCP, and Active Directory, Linux. Additional experience includes disaster recovery, capacity planning, and business continuity with excellent problem-solving skills and interpersonal skills. MS IT Academy Instructor, Cisco Network Academy Instructor Teaching Courses as Instructor: LAN, WAN, IP, RIP, OSPF, IS-IS, BGP, EIGRP, SNMP, TCP-UDP Application layer protocols (DHCP, DNS, FTP, HTTP, HTTPS, SSH, SMTP, POP3) Administration of Windows 2000/XP/2003/2008/2012 Server/Linux IIS/AD/BIND/Apache/Squid/Samba, Network Security, Bases of Cryptography Cisco Network Academy and Certification preparation courses Microsoft IT Academy courses: 6420 - Fundamentals of Windows Server 2008 Network and Applications Infrastructure 6421 - Configuring and Troubleshooting a Windows Server 2008 Network Infrastructure 6425 - Configuring and Troubleshooting Windows Server 2008 Active Directory Domain Services

    $20.00 /hr
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  9. Paul Allington

    Paul Allington

    Experienced .Net (C#) Developer

    United Kingdom - Tests: 3 - Portfolio: 1

    Microsoft certified professional developer, problem solver, entrepreneur and all round geek. Specialising in .Net and C#, I create web based solutions to solve real life business problems. I am a Microsoft certified professional developer with 10 years continuous experience both as an employee working for start up companies and as an entrepreneur starting up a digital agency, growing a team of skilled developers, designers and marketing professionals to bring to market innovative ideas, solutions to life in general and solving business problems for our clients. My skills center around .Net and C#, although my degree in Computing for Artificial Intelligence gives me the foundation I need to pick up new languages and new techniques.

    $70.00 /hr
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  10. Vitaly Davydov

    Vitaly Davydov

    Software Engineer / Analyst

    Russia - Tests: 2

    Information Technologies Professional with strong software engineering and analytical skills. About 15 years of various experience in different areas of informational technologies including development of cross-platform multi-threaded software using C++ and other languages, design and implementation of databases, data warehouses, development and support of complex business IT systems. I prefer to communicate at work days 5:00 - 9:00 PM GMT, any time at weekends.

    $23.00 /hr
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