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Last updated: August 1, 2015

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    Data Engineer - DW/BI & Big Data Hadoop, Spark, NoSQL

    United Kingdom - Portfolio: 4

    Holds Engineering degree in Computer Science and experienced in building Enterprise DW/BI and Big data application. Experienced in migrating traditional Data Warehouse application to Big data Lambda architecture. I have operated in Great Britain (London) area working for Tier 1 business organisations in building enterprise DW and Big data applications. Trained in Big Data eco systems (Hadoop, Map Reduce, Pig, HiveQL, HBase, Spark - Shark). Implementation of Big data Lambda architecture in a multi node clusters in Hadoop 2.0 Having hands on experience in major RDBMS like MySQL, Oracle, PostgreSQL, SQL Server and NoSQL - MongoDB with document Query Language. Specialties: • DW/BI and OLAP Data modelling (Star, Snowflake schema, Normalisation, ) • ETL data Integration through Pentaho Data Integrator (KETTLE, SPOON) and Python ETL, Oracle SQL Loader, Oracle Data Pump. • Advanced PostgreSQL and PLPgsql/ PL/SQL programming (Functions, Packages, Collections, Partitioning, Hierarchical queries, Bulk Binding, Inlining, Indexing, Dynamic SQL, Analytical function, Data Mining API, Performance tuning, SQL factory, pipelined function Explain Plan, Trace O/P etc.) • Java, Collections - List, Tree, Hash Map, Set etc., Generics, Fork - Join. • Data visualization, Dashboard Creation, Customer Scorecard and KPI Modelling • Reporting - Tableau Data visualization. Analytical report, Operational Report, Subjective and Statistical Analysis on customers, data, Multi-variate analysis, clustering, K-means, Hypothesis Testing. • BIG Data eco system : o Data Mgmt : Hadoop & YARN o Data Access: Java Map Reduce, Pig, Hive, Solr, Spark, HBase, Storm. o Governance & Integration: Sqoop, Flume, Kafka o Operations: Oozie, Zookeeper o Libraries: Spark SQL, Spark mlib. o NoSQL: Mongo DB, HBase • Functional Programming using Scala and implementation of Spark streaming.

    $22.22 /hr
    0 hours
  2. Ramkumar R.

    Ramkumar R.

    Expert Analyst in Enterprise Application development, BigData (Hadoop)

    India - Tests: 2

    I work as technical lead and have 9 years of experience in Enterprise application development, ETL, Business data analytics Bigdata(Hadoop, HBase) and microsoft technologies which include,, Remoting, MSMQ, WPF, WCF, HTML, Javascript, XSLT, Python, django

    $27.78 /hr
    0 hours
  3. Tony hdp

    Tony hdp

    Hadoop Administrator


    Currently working at DreamOrbit Softech Pvt Ltd as Hadoop AdminEdit | Delete May 2013 to Present (2 year(s) - 3 month(s)) Experience in Installation & Administration on Hadoop Cluster and Maintenance. Having experience in all flavors of Hadoop (Apache, Cloudera, Hortonworks & MapR). Experience in installation and configuration of various versions of Hadoop MR, YARN and High availability clusters Experience in Installation of various Hadoop Ecosystem tools (Hive, HBase, Pig, Oozie, Whirr, Mahout, Zookeeper). Experience in Recovering NameNode and Datanode failures, Adding/removing datanode . Experience in Installation and configuration of Spark on single and multi-node cluster. Having experience in importing and exporting data from different systems to Hadoop file system using Sqoop and Flume. Experience in installation and configuration of Ganglia and Nagios. Previously worked with Wipro Technologies as Linux System AdministratorEdit | Delete Mar 2010 to May 2013 (3 year(s) - 2 month(s)) Installing Linux Operating Systems like RHEL 4.4, 5.4 and 6. Planning, installing and configuration of operating systems on new Red Hat Servers. Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring. Applying quotas on different users. Installing Redhat EL on standalone and networked systems using Kick start. Managing Red hat Package Manager (RPM). Configuring and managing of Logical volume Manager. Creating, Scheduling and Managing Crontab. File system - organization, Auto mounting, Mounting NTFS Partition. Monitoring System Performance of Virtual memory, System events, Swapping, Disk utilization, CPU utilization. Backup the data using tar, scp and rsync in linux server. Installing and configuring Samba for Ftp services.

    $25.00 /hr
    0 hours
  4. Pawan Pawar

    Pawan Pawar

    Hadoop Developer

    India - Portfolio: 1

    I am also having mobile app development exposure using phonegap. Mt M.Tech. dissertation is a research project in the cloud computing subject with focus to IaaS Cloud. I have designed and developed a cloud broker for cloud services providers. I having expertise of various open source cloud tools like Opennebula, CloudStack, Hadoop, Pig, Hive, Flume, Zookeeper, Sqoop, Haizea, EyeOS etc. I have customized Opennebula for my research work on broker and resource management. I am highly interested in working on Cloud based big data application for large scale scientific and commercial projects.

    $33.00 /hr
    0 hours
  5. sudhansu sekhar

    sudhansu sekhar

    Hadoop Developer

    India - Tests: 1

    I have overall 2+ years of experience in Big Data hadoop and its ecosystem components like Hive, Pig, Sqoop, HBase. Passionate about Hadoop and Big Data technology. I am a quick learner, sincere, committed and a goal oriented person. I have strong knowledge in Hive.

    $6.00 /hr
    0 hours
  6. Monis K.

    Monis K. Agency Contractor

    NLP, ML, SOLR , Mahout, Sentiment Analysis, Hadoop, Nutch, Scrapy

    India - Tests: 3

    I would love to solve challenging and interesting problems in my area of expertise which is Natural Language Processing and Machine Learning( text domain). The specific areas of my interest are Sentiment / Opinion / Emotion Analysis , Search, Recommendation Systems, Question Answering systems, large scale text processing. My experience in these areas span over more than 7 years during which I have worked on many challenging problems in the areas of Recommendation Systems, Large scale search engines, Sentiment analysis, Question Answering System, Classification , Clustering, Information Extraction, Crawling etc. I have lot of experience of working with start-ups which almost all the time are trying to solve some new problem, I understand the culture and the demand. And I love coding. Though I have worked with many languages, lately I have been using Java and Python. I also know C++ and Perl well. Tools and Libs I am well-versed with: SOLR, Lucene, ElasticSearch, Mahout, Hadoop and the whole stack, Weka, NLTK, OpenNLP, svmlight, crf++, GATE, JAPE and amny more Nutch, Scrapy

    Associated with: SimplyPhi Software Solutions Agency

    $50.00 /hr
    4,997 hours
  7. Amir H.

    Amir H.

    Software builder

    Bosnia and Herzegovina - Tests: 6 - Portfolio: 3

    My goal is to apply my knowledge and experience in order to create stable and functional software which is easy to use. I prefer less features over broken features. Over the last four to five years I've worked on many projects both in the web, desktop and enterprise space. Based on the requirements that we recognize I will guide you through all phases of delivering the software solution to You or your users. Besides developing the actual solution I can manage your servers, deployment, issue tracking and anything else we might need in order to meet our goal.

    $66.67 /hr
    266 hours