Hadoop Java Freelancers

Showing 893 freelancers

Hadoop Java Freelancers

Showing 893 freelancers

  • data scientist and machine learning developer

    I have experience of 3+ years of data mining in different fields like: computer vision, pattern recognition, text mining, natural language processing etc. For last year I took part in some big data projects using hadoop+java and map/reduce pattern. In my work I use python, java, R, c# and sql.

    data-mining machine-learning natural-language-processing pattern-recognition hadoop r python java c# computer-vision 00 more less
    • $40.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
  • Data Warehousing,Business Intelligence and Big Data Architect

    Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter … more

    Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter with effective customer-service skills and demonstrated ability to manage technical aspects and per-sales projects, architect tailor-made customer solutions, build relationships, communicate solution strategy and product offerings, and provide technical expertise, support, and training to sales and customers. For over seven years, career focus has been centered on Business Intelligence and Data Warehouse system design, development and deployment. The application of extensive experience across multiple DBMS' and platforms has provided a strong aptitude for multidimensional data base design coupled with robust operational architectures. Have 8 years’ experience in BI Data analysis and generation of complex Analytical/Statistical report for Finance/Marketing/Supply Chain Management.  less

    data-analysis business-intelligence hadoop pentaho talend-open-studio mysql oracle-database core-java python data-warehousing 00 more less
    • $38.89 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 159 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
    ASSOCIATED WITH:
  • Hadoop, Java, MapReduce, MongoDB, Couchbase, Redis, HBase, Pig, Hive

    Programming languages: Java; Basic knowledge: JavaScript, C++, C#. Frameworks and libraries: Hadoop, Flume, Tomcat, Tapestry, Jetty, Maven, Hibernate, Quartz, Thrift, Android SDK, Couchbase, Zkoss Development environments: Intellij Idea, Eclipse Version control: GIT, Mercurial Other skills: OOD patterns, refactoring, TDD (Testing … more

    Programming languages: Java; Basic knowledge: JavaScript, C++, C#. Frameworks and libraries: Hadoop, Flume, Tomcat, Tapestry, Jetty, Maven, Hibernate, Quartz, Thrift, Android SDK, Couchbase, Zkoss Development environments: Intellij Idea, Eclipse Version control: GIT, Mercurial Other skills: OOD patterns, refactoring, TDD (Testing frameworks: JUnit, MRUnit, Fitnesse, JMeter), highload, RTB/Advertising, command development, NoSql: mongodb, hadoop/hbase, redis, couchbase, MySql Experience: Thumbtack Bidder Junior Developer, June 2013 - September 2013 Description: Demand Side Platform for integration with Google Ad Exchange Responsibilities: clarifying requirements; implementing test-tool for generation requests; implementing backend Technologies: Java, Hadoop, MongoDB, Redis, MapReduce ViNiA - RTB Junior Developer, October 2013 - current Description: Demand Side Platform for integration with Yandex Advertising System Responsibilities: clarifying requirements; implementing backend Technologies: Java, Hadoop, Mongo, Redis, MapReduce Aerserv - SSP Junior Developer, January 2014 - March 2014 Description: Sell Side Platform for integration with existing ad server Responsibilities: clarifying requirements; implementing backend Technologies: Java, OpenRTB eBay Enterprise - DSP Built out Developer, March 2014 - current Description: Demand Side Platform Technologies: Java, ZKoss, Tomcat, Hadoop, MySQL  less

    java oracle-java-ee git mysql redis mongodb hadoop couchdb mapreduce pig 00 more less
    • $20.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Data mining specialist

    Experienced research engineer who understand data really fast, provide insights. Strong communicator (both English and Vietnamese). Highlight skills includes: team player, data driven, critical thinker, user-oriented, well-organized. Projects: - Ad targeting on ad smart adnetwork Eclick which drives advertising messages of … more

    Experienced research engineer who understand data really fast, provide insights. Strong communicator (both English and Vietnamese). Highlight skills includes: team player, data driven, critical thinker, user-oriented, well-organized. Projects: - Ad targeting on ad smart adnetwork Eclick which drives advertising messages of advertising buyer to target audiences: http://eclick.vn/#!/en/about - News recommender system on one of the most common Vietnamese online newspaper: http://vnexpress.net/ - Music recommender system on http://nhacso.net - Social Games Recommendation: There are many users play many games on ZingMe.vn platform. We suggest games to users based on their interest. - Zingme Visualization: Zingme.vn user's location data is large and abstract, visualization help make the data easier to read and understand. Libraries used: NASA World Wind SDK, the Processing API. - ZingMe user analysis: Understanding the association and correlations in user activities on Zing Me. Clustering Users based on their activities to figure out groups of user (gamer, content consumer, content producer) for making decision. - Opinion Spam Detection: Opinion spam or untruthful opinion is written to cheat readers by undeserving positive opinions, false negative opinions to promote or demote some target objects. We identified opinion spam by its content or writer’s behavior.  less

    data-mining data-analysis core-java r hadoop hbase apache-hive 00 more less
    • $22.22 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • PHP / ExtJS 4 / Web Developer / Zend Framework

    More that 9 years, I participated in many projects with different programming languages, such as Java, PHP, JS, Delphi, C#. Developed and improved many websites, programs, and CMS systems. Now I working with the following technologies and tools: Zend Framework … more

    More that 9 years, I participated in many projects with different programming languages, such as Java, PHP, JS, Delphi, C#. Developed and improved many websites, programs, and CMS systems. Now I working with the following technologies and tools: Zend Framework, ExtJS 4, JQuery, AJAX, MySQL, Apache, XML, CVS, SVN. I like to participate in new projects, especially those ones which allow me to research new technologies and learn new tricks. Now I'm working with solutions for managing big datasets, ecommers, shopping cart, social engine, payment systems, supporting web sites... Looking for long term partnership. Please take a look on portfolio and work history. Thanks.  less

    php extjs zend-framework javascript html 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 7769 HOURS
    • BELARUS
    • LAST ACTIVE
    • 31 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Expert Java/Groovy Software Engineer

    LinkedIn: http://www.linkedin.com/in/tarasmatyashovsky Hello world :) I am not only creative and decent person but also a software design engineer/team lead working professionally for more than 4 years in the area of distributed web application development … more

    LinkedIn: http://www.linkedin.com/in/tarasmatyashovsky Hello world :) I am not only creative and decent person but also a software design engineer/team lead working professionally for more than 4 years in the area of distributed web application development. My core competency lies in standard and enterprise Java technologies. Also I have experience with Groovy/Grails applications, Facebook API, Jasper Reports, etc. I can work independently or provide a small team of sophisticated colleagues. Consumers we have worked with include both startups and proven industry representatives: Ebay/MarktPlaats.nl, Jaspersoft, HP/TippingPoint, FrostDigital, Monsanto, Grid Dynamics, Ontario Systems, etc. Languages which I can easily communicate in both verbally and in writing are English, Russian, Slovakian and Ukrainian. I've worked as an interpreter for ENEMO (European Network of Election Monitoring Organization) mission during election process in Ukraine (2005, 2010) and received excellent feedback on my English skills. I'm doing my job quickly and with high-quality cause good reputation always matters. Please feel free to contact me concerning any development request or business proposal.  less

    css database-modeling hibernate html ajax intellij-idea javascript jboss jsp ldap mysql sql software-testing apache-tomcat xml blog-writing maven groovy grails java jasperreports soap rest mongodb hadoop 00 more less
    • $35.00 HOURLY RATE
    • 4.9
    • 47 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • Scala / Java developer

    I have been developing software using Java and Scala for 3 last years. I'm experienced in highload systems (game server, service oriented architecture) and Big Data (writing jobs for Hadoop and Spark, using machine learning). Skill List: • Scala, Java … more

    I have been developing software using Java and Scala for 3 last years. I'm experienced in highload systems (game server, service oriented architecture) and Big Data (writing jobs for Hadoop and Spark, using machine learning). Skill List: • Scala, Java SE for server side apps - excellent • OOP principles and design patterns - good • Database management systems (MySQL, PostgreSQL, Microsoft SQL Server) - good • NoSQL storages (Hbase - good, ElasticSearch - excellent) • Maven, sbt - good • Hadoop, spark - good • Version control (SVN, Mercurial, Git - good) • IDE (Eclipse, IntelliJ IDEA - excellent, NetBeans IDE, SoapUI - good) • Machine learning (Xelopes - satisfactory, Spark MLib - good) • Java EE 6, Spring - satisfactory • Javadoc - good • JUnit testing - good • С\C++ - satisfactory  less

    scala java hadoop elasticsearch junit apache-maven sql hbase 00 more less
    • $30.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Big Data Analyst

    Lead the team for the Text Analytics Module and have worked on building components to accept the unstructured data, process data, find patterns, and extract the required information based on Entity extraction and Profile parsing. Worked on NoSql database MongoDB … more

    Lead the team for the Text Analytics Module and have worked on building components to accept the unstructured data, process data, find patterns, and extract the required information based on Entity extraction and Profile parsing. Worked on NoSql database MongoDB, built an adapter for fetching the data, pushing the data to mongo. Performed several DBA tasks among taking backup of the database frequently, checking for the connection establishment to mongo, frequent monitoring. Worked as individual contributor in building the front end for Marketing Analysis use case which involves graphical visualization of the processed data which fetch the data from mongodb. Worked on building rules and scoring models to detect potential frauds on Account Take Over use case which was used for Product Launch and was an active participant in the launch. Worked extensively on building Sentiment Analyzer algorithm for analyzing the unstructured textual data. Principle anchor from the development team working on extracting the valuable information from structured and unstructured and creating an index out of it using algorithms. Conducted trainings for new joinees on Big Data and Hadoop on unit level and a key member in building a team environment.  less

    hadoop java javascript core-java java-servlets-development nosql html jquery css 00 more less
    • $27.78 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
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