Data Science Professionals & Consultants

Showing 15 freelancers

Data Science Professionals & Consultants

Showing 15 freelancers

  • Researcher, Academic/technical writer, Data and Information Scientist

    As a PhD in Computer Science, I am an experienced researcher, academic writer and data and information scientist. Over the last 12 years I have gathered an extensive experience in practising and teaching the following computer science concepts: information retrieval … more

    As a PhD in Computer Science, I am an experienced researcher, academic writer and data and information scientist. Over the last 12 years I have gathered an extensive experience in practising and teaching the following computer science concepts: information retrieval, data mining, machine learning, database management systems using MySQL and Oracle, native XML databases using XML, DOM and SAX, web development techniques using (X)HMTL, DHTML, PHP, and MySQL, deploying web services and service oriented architectures, and tuning Apache web server for performance, security and caching. My core competency lies in academic research, data and information science, as well as writing, proofreading and editing of research papers and thesis of all academic levels. I am seeking opportunities to offer my rich professional and academic experience for the strategic growth and developmental needs of your business. My core research interests and strengths are as follows: - Focused information retrieval - Evaluation of focused and content-oriented XML retrieval - Entity retrieval and knowledge discovery - Data mining and big data analytics - Business intelligence and predictive analytics - Time-series data forecasting - Recommendation algorithms for social/news networking sites - Native XML databases, NoSQL and relational database systems - Web servers and web technologies - Web database applications and Internet programming - Web and enterprise security  less

    data-science data-analysis website-analytics internet-research xml-web-services nosql project-management research-papers scientific-writing technical-writing technical-editing proofreading 00 more less
    • $66.67 HOURLY RATE
    • 5.0
    • 1351 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • Data Scientist and Application Developer, PhD

    Looking for opportunities in the field of data analysis, machine learning and modeling as far as desktop application development. Experienced in statistics, optimizations and data visualization (R, ggplot2, Rcpp, parallel, etc.), desktop development (Qt, C++, etc.) and database programming (PostgreSQL, sqlite, etc.)

    r data-analysis data-science machine-learning statistics ggplot2 sql latex qt c++ 00 more less
    • $19.99 HOURLY RATE
    • 5.0
    • 162 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Result-driven professional in cross-functional arenas.

    Result-driven professional with over 7+ years of rich experience in Data analysis, reporting & building Excel tools for the clients. A professional with expertise in Advance Excel, MS Access, Database Design, SQL, automation of Reports creation, VBA Programming. Providing recommendation on … more

    Result-driven professional with over 7+ years of rich experience in Data analysis, reporting & building Excel tools for the clients. A professional with expertise in Advance Excel, MS Access, Database Design, SQL, automation of Reports creation, VBA Programming. Providing recommendation on effective Integration of Excel or Ms Access based tools with other database such as GreenPlum, Oracle, MS SQL Server etc  less

    vba microsoft-excel microsoft-access sql requirements-analysis vbscript data-analysis database-design database-management business-analysis quantitative-analysis data-science data-entry internet-research microsoft-word microsoft-powerpoint google-spreadsheet google-docs google-spreadsheets-api 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 267 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 7 TESTS
  • Search/NLP/Semantic/Predictive Models/Machine Learning

    I have good experience in the field of big data, machine learning, search, natural language processing, semantic web and knowledge modeling. I have worked on Named Entity Recognition, RDF, SPARQL, JSON, XML, Hadoop, Mongodb, Couchdb, ElasticSearch, Solr, Lucene, Mahout, R … more

    I have good experience in the field of big data, machine learning, search, natural language processing, semantic web and knowledge modeling. I have worked on Named Entity Recognition, RDF, SPARQL, JSON, XML, Hadoop, Mongodb, Couchdb, ElasticSearch, Solr, Lucene, Mahout, R, Gate, Apache-Jena, Dbpedia, Ektorp, Weka, Jackson. I have a good experience in programming languages such as Java, R, SAS, Python. I have extensive experience of applying machine learning algorithms to solve complex business problems. I am a post graduate in Electrical Engineering, IIT Kharagpur (2004-2009).  less

    natural-language-processing machine-learning data-science sentiment-analysis data-mining core-java r weka sas artificial-intelligence pattern-recognition microsoft-excel matlab perl business-intelligence 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 3278 HOURS
    • INDIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • RoR Lead Dev / Technical Architect: distributed apps / 11k oDesk hours

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications … more

    Non-agency professional skilled in: * Ruby on Rails (2.x -- 4.x) * Complex background jobs processing (Sidekiq, Resque,..) * Message queuing with RabbitMQ * RDBMS (PostgreSQL, MySQL) * NoSQL databases (Redis, Riak) * Amazon Web Services (EC2, S3, Glacier, Redshift,..) * RESTful API implementation * RoR applications deploy, monitoring, maintenance (on Windows and Linux) * Semistructured data parsing (ANTLR + custom parsers) * Facebook integration (authentication and FQL) * Column-oriented DBMS (MonetDB, InfiniDB, Infobright, Vertica) * Big data cloud-based solutions (Google BigQuery, Amazon Redshift) I can perform solution architecture design / redesign & refactoring / implementation. I'm also capable of performing thorough review of existing RoR applications and making a list of suggestions on how to improve — did that for several clients and they were all happy. ) Involved in professional programming since 2006, I have participated in development of several complex projects, including business intelligence web application for Nielsen (Nielsen Answers; C# / ASP.NET), contemporary art web portal ArtSlant.com (RoR / ASP.NET components, Amazon/Rackspace clouds), .NET-powered desktop software package and RoR-based web application for complex management of large statistical datasets, comprehensive web-based ERP system (Rails 4), and other projects. I like challenges, have solid skills of problem solving and do not require supervision to successfully perform my duties. My communication and planning skills are good enough to coordinate other people's work, and I'm ready to combine development responsibilities with project/product management (in agile way).  less

    ruby-on-rails ruby postgresql mysql git amazon-ec2 amazon-s3 object-oriented-design code-refactoring test-driven-development bdd javascript jquery css3 html5 xml data-analysis data-science statistics data-scraping data-backup rest sql lamp-administration linux-system-administration windows-administration database-administration .net-framework c# vertica 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 11367 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • Magento, Big Commerce, Wordpress & Administrative Supports Expert

    I am the Expert Professional Magento, Big-Commerce, Volusion, Wordpress, Woo-Commerce, Yahoo Store, CS-Cart, Joomla, Etsy, Ebay, X-Cart, Zen Cart, OS-Commerce, Facebook Marketing & all type of online Stores. Expert in Any Kind of Online Stores Management, Online Store Administrative Supports, Inventory … more

    I am the Expert Professional Magento, Big-Commerce, Volusion, Wordpress, Woo-Commerce, Yahoo Store, CS-Cart, Joomla, Etsy, Ebay, X-Cart, Zen Cart, OS-Commerce, Facebook Marketing & all type of online Stores. Expert in Any Kind of Online Stores Management, Online Store Administrative Supports, Inventory Managements, Social Media & Other Web Research. I have the strong knowledge of HTML, Photoshop, Microsoft Office, SEO. I am very open minded, responsible, hard working & willing to new task always. Basic Product / Image Up-loader / Edition & Research. for ECommerce Website, Facebook Marketing & all type of online Stores. I am enjoying work on Odesk since June 2010 and working honestly, efficiently & give 101% accuracy to my Employer. I have worked more than 2500 hours with Others ID ( magneto,Big-commerce, Amazon, digiSHOP & X cart ) & more than 2000 hours on Myself .I am here to provide you good work in shortest time @ Lowest Cost. Working with the International Clients from the last 5 years. To server with my full skills and deliver what is required and what is excellent. Not much talk but full work..  less

    data-entry microsoft-excel internet-research html adobe-photoshop magento advertising google-spreadsheet microsoft-word seo spreadsheets accounting google-docs wordpress operating-systems-development zencart inventory-management data-science skype data-analysis editing image-editing image-processing virtual-assistant concrete5-cms brand-management 00 more less
    • $4.44 HOURLY RATE
    • 4.8
    • 2843 HOURS
    • INDIA
    • LAST ACTIVE
    • 27 PORTFOLIO ITEMS
    • 17 TESTS
    ASSOCIATED WITH:
  • Architect, Backend Engineer (Scala, Java, Hadoop)

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala … more

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!  less

    hadoop java amazon-web-services spring-framework apache-maven jpa rest hibernate amazon-ec2 amazon-s3 amazon-rds apache-camel apache-hive puppet-administration xml-web-services junit cryptography xml-rpc twitter-api api-development api-documentation nosql test-driven-development j2ee j2se oauth java-servlets-development agile-software-development automated-testing database-testing load-testing apache-thrift mercurial multithreaded-programming software-debugging reverse-engineering data-science rss xml etl crawlers google-app-engine google-apps google-app-engine-api google-apps-api 00 more less
    • $55.56 HOURLY RATE
    • 4.8
    • 2558 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 12 TESTS
    GROUPS:
  • C/C++ Developer

    I have more than 5 years of commercial programming experience. During this period I've designed several Desktop and Web applications using C/C++ (Windows / Linux) and C# .NET. I also have experience with data base interconnection such as MSSQL … more

    I have more than 5 years of commercial programming experience. During this period I've designed several Desktop and Web applications using C/C++ (Windows / Linux) and C# .NET. I also have experience with data base interconnection such as MSSQL, MySQL and SqlLite, scripting languages such as Python and web development with Django framework and JQuery. In addition I have base knowledge in probability statistics theory and neural networks.  less

    c++ statistics r python hadoop data-analysis data-science 00 more less
    • $25.00 HOURLY RATE
    • 4.8
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • iOS/Android/MacOS/Win/ObjectC/C#.NET/C++/Delphi/Java/Web/JS/ASP/PHP/QA

    Owner and CEO at AdoriaSoft LLC. AdoriaSoft offers full cycle software development services and implements all stages of projects for our customers: - Research and estimation - Requirements definition - Architecting - Development - Graphical design and User experience design - QA - Support and updates Platforms … more

    Owner and CEO at AdoriaSoft LLC. AdoriaSoft offers full cycle software development services and implements all stages of projects for our customers: - Research and estimation - Requirements definition - Architecting - Development - Graphical design and User experience design - QA - Support and updates Platforms that we develop for: - iOS (iPhones and iPads of different versions) - Android phones and tablets - MacOS - Web - Windows desktop - Windows Server - Windows CE - Windows Mobile PPC and SP 5.0, 6.0, 6.5, 7 editions We - have different real devices for testing (Android phones and tablets, iPhones, iPads of different generations, Macbooks, etc), no emulators. - work with both native and crossplatform frameworks - use an established design/development/testing lifecycle, follow scrum - have our own development servers with tasks management system (JIRA), source control (Git), continuous integration and build server (Bamboo), etc. - can easy work with time zones like PST, EST, etc. - offer high quality and cost effective solutions for our customers Technologies/Languages/Libraries/Frameworks: - ObjectiveC, iOS SDK, Mac OS SDK, XCode - Java, Android SDK - C++, STL, Boost, ATL, WTL, COM, MFC - Windows API, DirectShow, DirectSound, Sockets, Completion Ports, OLEDB, TAPI, GDI - C#, Managed C++, ASP.NET, LINQ, ADO.NET Entity Framework, WPF, Compact Framework, Mono.NET, Monotouch, Xamarin - Appcelerator Platform, Titanium, PhoneGap - MS SQL Server, T-SQL, Oracle, MySQL, NoSQL, MongoDB - Cloud platfoms: Amazon Web Services ( AWS ), Microsoft Azure - Web technologies: REST and SOAP web services, JavaScript rich client libraries, HTML5, CSS3 Our competences: - business automation software - System utilities for MacOS, Windows and mobiles platforms - Information security, cryptography, steganography - client-server applications - Wireless 3G/4G, Bluetooth, WiFi applications - VoIP, voice codecs, data signal processing - Complex Web applications and portals (ASP.NET, PHP, REST web services, JavaScript rich clients)  less

    objective-c delphi php iphone-app-development c# sql jquery c++ ios-development mac-os-app-development windows-phone-7-development java .net-framework wpf microsoft-silverlight wcf rest .net-compact-framework cryptography security database-modeling project-management architectural-design data-science teaching-mathematics statistics vba microsoft-visual-basic svn git asp.net asp.net-mvc dotnetnuke f#-language entity-framework ado.net javascript microsoft-visual-c++ stl atl boost microsoft-visual-studio windows-azure sql-azure jquery-mobile software-qa-testing automated-testing software-testing manual-testing testcomplete ssl operating-systems-development driver-development test-driven-development scrum mono ipad-app-development apple-xcode android-app-development xaml ajax extjs microsoft-sql-ce nosql sqlite t-sql mysql linq-to-entities linq-to-sql entity-framwork 00 more less
    • $29.00 HOURLY RATE
    • 4.9
    • 13921 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 19 TESTS
    ASSOCIATED WITH:
  • PHP5 Developer/Data Scraping/Parsing/Crawling/Automation Expert

    Web-scraping and Automation is my main field of experience , I can scrap and parse data from any type of websites or files - plain text , HTML , PDF ..etc - , I've developed many web scrapers of different complexity. Number of such projects … more

    Web-scraping and Automation is my main field of experience , I can scrap and parse data from any type of websites or files - plain text , HTML , PDF ..etc - , I've developed many web scrapers of different complexity. Number of such projects are in my portfolio. Please check My portfolio site for examples : http://www.kafautomation.com/ My web scraping experience includes: Curl, simplehtmldom, IP rotating and Advanced regular expression . Also over the last 5 years, I have developed a wide range of websites using PHP, JavaScript, CSS and MYSQL including several e-commerce websites. I built sites both from scratch and using frameworks and CMSs, wrote custom modules and extended existing ones for my clients. I have experience in PHP/MYSQL performance tuning for highload. I have strong experience in the following web development areas: SQL, Ajax, OOP, JQuery ,Zend Framework,JSON,XML and Regular Expression .  less

    mysql jquery javascript joomla zend-framework xhtml regular-expressions data-scraping data-mining xml google-maps-api curl data-encoding database-design data-entry internet-research data-warehousing web-scraping xml-web-services oop asp.net-mvc arabic phpmyadmin system-automation data-science pdf-conversion php 00 more less
    • $16.67 HOURLY RATE
    • 4.8
    • 21 HOURS
    • EGYPT
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 2 TESTS
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