Top Upwork Freelancers

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  1. Ivan Ivanov

    Ivan Ivanov

    .NET/C#, ASP.NET, XML Schema, XBRL, SQL, Adobe Flex, Python

    Bulgaria - Tests: 6 - Portfolio: 2

    Over 15 years professional in desktop and web application development as senior developer and system architect. Professional in C#, ASP.NET, XML Schema, XBRL, XPath, XSLT, MS SQL, MySQL, Silverlight. Expert in Python, Adobe Flex (Cairngorm), PHP, JavaScript, Delphi. Interested and some experience in Java, Google API, AppEngine and Windows Phone applications.

    $30.00 /hr
    0 hours
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  2. Maxim Chorniy

    Maxim Chorniy

    Android application development

    Ukraine - Tests: 4 - Portfolio: 45

    I am a highly-qualified professional with a five-years experience in developing mobile applications for Android, iPhone, iPad. My specialization is creating and realization applications for all OS versions and standard domains. I have successfully launched over 50 projects in various domains and technologies, ranging from simple apps to complicated projects. My main objective is a process-oriented approach that combines experience and creativity to find the most productive solutions and succeeding results. I am proficient enough in working in close collaborations with offshore clients as well. Flexibility and keeping ahead with technologies are my strengths, so I can guarantee the high quality of the work done.

    $27.78 /hr
    0 hours
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  3. Taras Datsko

    Taras Datsko

    Software Development C / C + +, Objective-C, C #

    Ukraine - Tests: 2

    I have developed a wide range of applications using C / C + +, Objective-C, C #, WinForms, MS SQL Server, Crystal Reports.For me there is no limit to quickly sort out any technology you want to implement. So if you are a company that prefers long-term relationship with a good developer, I am a person that you looking for. I also have good experience in the following areas: Network protocols : IP v4 / 6 , TCP, UDP, HTTP, VPN Technologies : UML, STL, Cocoa, 2D/3D graphics , NET Framework, T-SQL Development Tools :GCC, MS Visual studio, X Code, SQL Manager, Graphical tools : 3DSMax, Maya, Adobe Photoshop / Illustrator, Corel Draw.

    $16.67 /hr
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  4. Alexander Guba

    Alexander Guba

    Sr Oracle JD Edwards/PLSQL Developer

    Ukraine - Tests: 1 - Portfolio: 1

    Over 8 years in Oracle JD Edwards implementation, development and integration. Excellent knowledge of all development tools (Report Design Aid (RDA) include XML Publisher with MS Word, MS Excel and PDF templates, Form Design Aid (FDA), Table Design Aid (TDA), Data Structure and Processing Option Design Aid (PDA)), Business Services (BSSV) and Java programming, Business Function (BF) C (caches, table I/O, etc.) and NER programming, Debugging Tools (ER and C), Object Configuration Management (OCM) Deep knowledg logistics (Master Data Management, Procurement Management, Sales Management, Inventory Management, Transportation, Warehouse Management, Supply Chain Management) and financial (Accounts Receivable, Accounts Payable, General Accounting) modules Strong knowledge Oracle Database 11g and PL/SQL. Design and development database objects: packages, procedures, triggers, tables etc. SQL optimization, traicing, unit test. Excellent analytical and problem solving skills

    $30.00 /hr
    0 hours
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  5. Juan Pablo Lorenzetti

    Juan Pablo Lorenzetti

    System Enginner

    Belize - Tests: 2

    i have more than 10 years experience in the telecommunication field. (mostly in small companies, a 1 man IT dept.) Skills on: 1. administering and setting up platforms for services (prepaid cards, IVR, sms, etc) 2. developing software to perform tasks and/or provide services. 3. Strong background developing using open source software for different tasks/services. 4. Web development using php/javascript (jquery, etc) 5. strong knowledge in the linux OS and its tools (automating tasks, bash scripting,etc) 6. strong knowledge in the C/C++,pyhton,perl,java. 7. Integration of platforms/services. Latest projects of the past 3 years (list is too long otherwise): 1. Implemented a AAA, using open source software, for a 3G WCMDA network. 2. Implemented a company PBX with more than 150 extensions, interconnected to the PSTN with personalized scripts for the various dept within the company. 3. Implemented a 15+ call center using a virtual PBX, using open source software, the call center did not have infrastructure, the physical PBX was located at an operator and the agents used mobiles to receive calls, all features were implemented such as queues, welcome message, email sent to agents for missed calls, voicemail, after hour annoucement, etc etc 4. Implementation of different protocols to interconnect with various elements within a telecom network, such as MML interfaces for service provisioning, smpp to provide sms based services, radius/diameter to provide real time charging, etc etc 5. etc

    $25.00 /hr
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  6. Natalya P.

    Natalya P.

    Java developer

    Russia - Tests: 2

    I am a professional java developer for 10 years and team leader for 4 years. My main projects were for companies of financial sector. The most of them were for top of Russian banks. I am good at understanding the live-cycle of develop. I pay particular attention to the timing of the project. I am responsible come to each project. I am good at reading java code. I have experience in the following technologies: Languages: Java, SQL, PLSQL, Java Script, HTML Technology: Swing, Wicket, ExtJs, Servlets, JSP, JSF, XML, Struts, JDBC, EJB, Hibernate, Spring, JUnit, Maven, Ant Databases: Oracle, MS SQL Application Server: IBM WebSphere, WAS Communiti Edition, Tomcat. Means of team development: Mercurial, SVN, CVS

    $20.00 /hr
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  7. Dmitri Z.

    Dmitri Z.

    Expert Java Enterprise Developer Architect

    Germany - Tests: 2

    - Multi-facet, efficient and reliable professional with 17+ years of industrial experience creating software, managing projects and consulting of enterprise management. - Huge software development background - first program was written in 1987, first complex program - in 1990. Almost 10 years of experience acting as software architect designing, extending and assessing software architectures in Java and .NET environment. One of the reference projects is portal www.adac.de (German Auto Club) in role of chief architect in PMO. - 7 years of experience in Healthcare by development team in Trier (GWI AG and AGFA HealthCare). - Over 8 years in consulting as employee and as self-employed individual. Biggest customers are AGFA Healthcare and EY. - Over 14 years of hands-on extensive Java SE/EE experience

    $66.67 /hr
    0 hours
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  8. Michal N.

    Michal N.

    Experienced C# and Java developer

    Poland - Tests: 4

    Within last 6 years I have worked on various programming tasks, such as developing complete, secured auto-update client-server infrastructure for .NET applications, binary communication protocols converters or SNMP devices supervising server. I am also experienced with debugging C++ and C# code and writing java GUI applications. I have worked with SQL Server and Postgresql database systems. I am software developer with 6 years professional experience, having Master of Science degree in Computer Science.

    $27.78 /hr
    2 hours
    0.00
  9. Jenya Kirmiza

    Jenya Kirmiza

    android developer

    Ukraine - Tests: 1 - Portfolio: 2

    Hi, my name is Eugen Kirmiza. I live and work in Kiev (Ukraine). In my portfolio there are few programs that I've developed. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2014, I'm working as an android developer at MSDLAB LLC in Kiev. Since that time I’ve developed 11 apps. Not all of them are available on Google Play. Some of the apps I’ve developed are being used on some closed commercial structures. I have a Bachelors degree in Software Engineering from National Aviation University in Ukraine. Below you can see my experience and skills. — Android (2.x - 5.x), Material, Fragments, Camera, SQLite, UI, Services, Google Maps ,ActionBarSherlock, Parse.com, admob, InApp Purchase, CrashLytics, Dagger,Retrofit,Picasso, gson LeakCanary, Espresso, ImageLoader, ButterKnife, Android NDK, Android Annotations, APK Decompile/ReCompile, and etc. — Java Core: Java Core, Multithreading, Collections API, Spring(basic), Hibernate, and etc; — Core web: XML, JSON, HTML/CSS, JavaScript, PHP; — IDE: Android Studio, Intelij Idea, Eclipse, Microsoft Visual Studio; — OS: Linux, Windows; — VCS: Git, Mercurial, SVN; — Bug/Issue trackers: Jira; — REST, SOAP; — C++, C#, Pascal(basic)

    $22.22 /hr
    0 hours
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  10. Andrey B.

    Andrey B.

    Programmer

    Russia - Tests: 6 - Portfolio: 2

    I'm programmer who have WEB and system programming skills for eight-nine years. As server-side script programming language I often use PHP. For desktop, cross platform applications I use Qt library and WinAPI, POSIX for implementation platform-dependent functional. In case client-side WEB development I use JavaScript with JSON and XML data transport. GUI formation with HTML and CSS is also in priories.

    $30.00 /hr
    0 hours
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