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  1. Pasqualino Ferrentino

    Pasqualino Ferrentino

    Software Architect

    Italy - Last active: 16 hours ago - Tests: 17 - Portfolio: 1

    I am a computer scientist whose main skills are in the field of data analysis, pattern recognition, statistical software, machine learning and large scale system design and integration. I have developed systems using Neural Networks, Markov chains, Support Vector Machines in various applications: OCR, image processing, data analysis, text indexing and retrieval. I am also proficient in 3D image visualization using common off the shelf libraries and methodologies, either low or high level, like OpenGL, DirectX, VTK, Java3D. I understand and use common ray tracing programs. I understand image processing topics like segmentation, thresholding, classification. I have worked in the past in a 3d Face recognition European project. I know the OpenCV library quite well. In the field of "general programming" I have a good understanding of Databases, multi threaded applications, sockets, pipes, encryption (symmetric and asymmetric), compiler design, operating systems, low level data structure in memory and on disk, data integrity. I consider myself an expert in data structures and algorithms: trees, queues, lists, b-trees, hash tables; I use standard libraries like STL, Boost, Java generics. I have a good knowledge of SQL and data normalization however I have also used custom No-SQL databases like Datadraw, MapDB, Tokyo Cabinet, Zope. I know all the basic algorithms and templates used in every day coding; regarding data integrity and security. Compression (lossy and lossless), symmetric and asymmetric encryption, public certificates, I have worked with OpenSSL programming, encrypted web services, packet sniffers. I am proficient in all the common every day languages with an emphasis on C++ and Perl. But I can use: Java, Python, Visual Basic, C#, PLSQL, Delphi. I know all the Object Oriented Programming concepts and design patterns and I use them if the need arises, but I am also able to write object-free programs in C or functional languages (like Haskell or Scheme). I know modern version control systems like git and mercurial, even if I can use also older ones like Subversion or CVS. I know Windows programming and API quite well. I have used WPF and WCF to create desktop applications in Windows and web services. I have used Linux and Gui toolkits like Qt which are platform independent. I know XML, XSL, I have used several parsers like the MsXML or Xpath. I know how to validate a XML with a schema. I have worked with a team that handled thousands of XML documents relating to air crashes in a SQL server database. I am able to talk and write in English with fluency. If anything is not listed here either I have forgotten to list it or I can probably learn it quite fast, so don't hesitate in asking!

    $24.41 /hr
    7,092 hours
    4.97
  2. Alexander C.

    Alexander C.

    Scala / Java / Haskell developer, Full Stack Engineer, Consultant

    Russia - Last active: 05/31/2014 - Tests: 2 - Portfolio: 2

    Java developer with 8 years of experience. Now also Groovy(2 years) and Scala(1.5 years) developer. Java: Hadoop, Nutch , Lucene/SOLR/ElasticSearch, Morphia(MongoDB ORM), parsers/crawlers(using Apache Httpclient, HtmlUnit and own microframework), Web MVC(Struts 1.x/Grails), Java Desktop Applicatins(Swing) / Applets, webservices (w. Restlet framework), RabbitMQ Java client, Riak Java Client Scala: PlayFramework 2.x, Lift, Akka, ReactiveMongo Groovy: Groovy scripts / Gant build scripts / Gradle Databases: SQL(PostgreSQL/MySQL), MongoDB, Riak, SOLR/ElasticSearch PHP scripts, linux(fedora/centos/ubuntu) server administration, SVN / Git, SEO methods/scripts, affiliate marketing. Check my blog(chepurnoy.org)/GitHub(kushti) also.

    $60.00 /hr
    1,026 hours
    4.99
  3. Alexandr R.

    Alexandr R.

    Web & Software (python, html, css, javascript, mysql) developer

    Russia - Last active: 16 hours ago - Tests: 2 - Portfolio: 1

    I got experience in Website and Software development using Python (Django, Flask) & Javascript (JQuery). Good skills in HTML, CSS, XML, MySQL, PostgreSQL. Python scripting (client-server applications, xml and html parsing, scripts for administration needs)

    $25.00 /hr
    2,093 hours
    5.00
  4. Sebastian Emilio Narvaez

    Sebastian Emilio Narvaez Agency Contractor

    Expert PHP dev and GNU/Linux Sys Admin, Mysql, Symfony, Javascript

    Argentina - Last active: 11/23/2014 - Tests: 1 - Portfolio: 1

    7 years experience as PHP Web Developer. Reliable and competent service. I'm expert in LAMP platform (Linux/Apache/Mysql/PHP). My focus is on free software tools and frameworks. Good background in Object Oriented Programming and Databases from my years in the university. I have experience with: PHP, Symfony, SugarCRM, Python, Web Services, SOAP, JQuery, Ajax. Also, I'm a GNU/Linux system administrator, mostly installing/configuring websites with Apache, Drupal, Wordpress, Firewalls, shell scripting and automation. I work with Debian GNU/Linux and Emacs in a daily basis. I am a native Spanish speaker. Some of my works: Adaptation of SugarCRM (PHP) with Asterisk IVR, Web Services and other requeriments for Contact Center of an important Bank in Argentina. A clone of youtube and social sites in PHP for a Marketing agency. Bug tracker and other web apps made in Symfony framework. I also have knowlege of: Smalltalk, C, Assembler, Networking, Software Engineering concepts, UML diagrams, ER diagrams.

    Groups: Bluehost Developers and Designers

    Associated with: PoweredByGnuLinux

    $27.78 /hr
    7,437 hours
    4.91
  5. Diana Moldovan

    TSQL programming, MS SQL Server DBA, ADO .NET2, C#, AspDotNetStorefron

    Romania - Last active: 16 hours ago - Tests: 1

    My goal is to provide to my customers the right solution, according to their requirements, upon the timeframe agreed, for an affordable price. In order to reach it, I strive to always keep my knowledge up to date.My 7+ years experience includes: - working with MS SQL Server 2000, 2005, 2008, 2012 as both database developer and DBA - TSQL programming, performance tuning, ongoing database maintenance and administration, MS SQL Server installation and upgrade, ETL with SSIS, bcp and TSQL scripts - programming database centric applications with ADO .NET 2 using C# and VB .NET - writing articles for www.mssqltips.com. Please see my profile at http://www.mssqltips.com/author.asp?authorid=59 - working with the AspDotNetStorefront shopping cart (http://www.aspdotnetstorefront.com/). I'm doing new ASPDNSF sites setup and configuration, custom data import / export procedures and data management, integration with tracking tools such as Google Analytics and ClearSaleing, custom programming (XML packages, C#/VB .NET code).

    Groups: AspDotNetStorefront

    $11.11 /hr
    2,698 hours
    4.97
  6. Sara Butt

    QA Engineer/C++/java/.net/web development

    Pakistan - Last active: 16 hours ago - Tests: 2 - Portfolio: 3

    To verify all the aspects of project through systematic monitoring and evaluation in order to maximize the quality and obtain a challenging position that will enhance my skills and my area of expertise. I have vast experience in assuring the quality of desktop and web applications. My core expertise are Regression Testing, Manual Testing, Smoke testing, Ad-hoc Testing, User Interface Testing, User Requirements Analysis and review, QA Reviews, Test scenarios identification, Test case writing, Test case execution, Bug tracking, Bug Reporting, Functional testing, Performance Testing, Sanity Testing. I also have some experience in the following areas: HMTL, JSP, JAVA, JAVASCRIPT, asp .net, c#, SERVLETS, CSS , MySQL AND STRUTS FRAMEWORK, SQL, Ajax, OOP

    $5.00 /hr
    5,494 hours
    5.00
  7. Benjamin K.

    Software developer with ove 10 years of experience

    Romania - Last active: 16 hours ago - Tests: 2 - Portfolio: 3

    Motivated software developer with over 10 years experience in different technologies (Delphi, C#, PHP, Adobe Flex, MS SQL Server, MySQL). Have developed numerous desktop and web-based applications.

    $25.00 /hr
    3,865 hours
    4.54
  8. Kaushik Pal

    Kaushik Pal

    Technical Consultant/Technical Architect/Testing Consultant

    India - Last active: 9 days ago - Portfolio: 1

    I have over 16 years of experience in software application development, maintenance and testing. I have worked in different industry domains like printer driver, airlines, insurance, travel and transportation. I have experience in both legacy and open system. I have expertise is in Java/J2EE application area. I have worked in all the phases of software development life cycle(SDLC).My focus area is preparation of technical architecture document, high level design, low level design, problem solving, construction, integration,testing, technical writing etc. I am also having more than 8 years of experience in manual/automated testing domain. I have also worked as a QA for different software projects. I have worked with big software organizations (like IBM, Lexmark, United Airlines etc) around the world. My Technical Blog/Website: www.techalpine.com My LinkedIn Profile : https://in.linkedin.com/pub/kaushik-pal/15/369/36b

    $22.22 /hr
    2,689 hours
    0.00