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Hadoop Upwork freelancers typically receive a client rating of 4.78.

Last updated: October 1, 2015

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Sagar V.

Sagar V.

5 years of experience in Java, J2EE, Spring, Hibernate, Maven

India - Tests: 4

I have developed small scale to mid scale enterprise applications using Java, JSP, Servlets, JDBC, Spring, Hibernate and Maven I have worked on all the phases of SDLC, starting from requirement gathering to maintenance of the project. I have experience in various domains like E-Commerce, Real Estate, Small Scale ERPs, Online education and Revenue Management. I always consider giving highest satisfaction to the client and also provide solution in budget and timely manner.

Groups: Oracle Certified Professionals

$10.00 /hr
1 hours

Arun Kumar

Arun Kumar

Over 16 yrs IT consulting, Testing and support experience

India - Tests: 1

Over 16 years of diverse experience in Information Technology with Extensive Knowledge in Financial Domain, Banking and Payments Applications and customer service. Over 6 years of IT Operations and Technical Recruitment, liaising with various clients, vendors, supplier and candidates. Over 6 year of Strong experience in manual testing and automated testing of Client/Server and Web based applications using tools like Test Director, Rational test tool and Loadrunner. Over 4 years working in the UK and European Client Locations, UAT at European central Bank, Frankfurt as Lead Test analyst. Over 4 years of Implementing Banking Application, Application Support and Training users. Over 3 years of Installation, maintenance, trouble shooting/customer support and user training on retail banking system Over 1 year of IT technical recruitment experience. Extensive Knowledge in Swift Standards, Testing Standards and Payment Standards Strong experience in both Manual and Automated Testing of applications on Windows and Unix Environment. Executed Benchmark tests based byte magazine kdlucas/byte-unixbench in github. Extensive experience in performing Regression testing, Functional testing, System testing, Black Box testing, Integration testing, UAT testing, Back-end testing, GUI testing, Load testing, Performance testing and Volume & Stress testing as well as development, execution, and maintenance of Test plans, Test scenarios, Test Cases and Test Conditions. Well Versed in writing complex SQL Statements, Queries and Cursors. Strong RDBMS experience and testing RDBMS such as Oracle, MS SQL, DB2 and access Good Understanding on the phases of Software Development Life Cycle (SDLC) and models. Extensive experience in Operating Systems like Windows 95, 98, NT and 2000 platforms, Aix, Sun Solaris, UNIX and AS/400. Strong experience in designing Test Plans, defining Test Cases, performing Verification & Validation, maintaining test scripts, creating Requirements Traceability Matrix & analyzing bugs. Well versed in Black Box Testing and good knowledge of White Box Testing. Well versed in designing and developing strategic Test plans, Test Cases, Test Scripts, Test Scenarios, Defect Reports and Test Reports for both manual and automated tests. MS Visio experience in creating flowcharts and technical diagrams for applications and other documents. Good analytical skills, self-motivated, a quick learner, good communication, interpersonal and negotiation skills. Education: Bachelors - Business Administration, University of Madras, Chennai, Tamil Nadu, 1998 MS - Engineering Computer Science, 2002 (correspondence) Technical Skills: Testing Tools Testing tools - Test Director, Rational Test, Clear case Platforms Windows 98/XP/Vista, Aix, Solaris, Unix/Linux, AS/400, Dos, Novell NetWare Languages C, C++, VC++, Java, PL/SQL, VB, Basic, Perl Internet Tools HTML, XML, FrontPage, MS TCP-IP, Tomcat web server, MTS, IIS, JavaScript Databases SQL Server, Oracle, Informix, DB2/400, MS Access 2000, mongoDB, Redis Test Strategies Integration, System, Regression, Functional, Smoke, White Box, Black Box, UAT, Load, Benchmark testing and Performance testing Microsoft Tools MS Office, MS Visio, Project, PowerPoint Defect Tracking Tools Test Director, ClearCase, PVCS, Asana

$13.89 /hr
33 hours

Viswgna Bharathi

Viswgna Bharathi Agency Contractor

VB Business Solutions

India - Tests: 2 - Portfolio: 1

Viswgna Bharathi Business Solutions. The firm operates from its office in Hyderabad and offers a complete array of IT Solutions in various domains and various technologies on both Web and Desktop application development, Product Development, Support & Maintenance, Mobile Applications, Search Engine Promotion (SEO) and we are very strong in providing Core Business applications. The team offers extensive experience, up-to-date technology skills. Following our own formal processes and industry standards, we develop solutions that leverage our hands-on technology experience Our services include: Web Applications Development Integration Services Web Services Hybrid Mobile Application Development

Associated with: VB Business Solutions

$10.00 /hr
0 hours

Eyal K.

Senior IT and INFOSEC manager

Israel - Tests: 4

A short overview of my career: --- Over 215 hours in oDesk as an IT manager and administrator for a start-up. --- Over 6 months as an on-site IT, Network and Security consultant for the University of Virginia. --- 4 years of experience as R&D service engineer, travelled world wide to customers to handle complex issues, analyse network, db, OS, hardware and software problems, debug and provide training. --- 10 years of experience as a senior IT and Network Security engineer (attacking, defending, securing) A short overview of some of the services I provide: - On-site work. - Design and build office network. - Vulnerability and Risk assessment for your web, network and computers. - Design and implement VPN. - FW manager. - Install, design and maintenance work for Oracle, MySQL and MSSQL db's - WebEx training. - AWS design and migration. - Unix and Windows support for all versions. - Data Controllers support, setup and maintenance. - DNS issues. - Build a private cloud for your business. - Backup solutions and overview. - Netbackup problem. - CheckPoint support. - Emc support. -CyberCrime investigations. - On-call services. ... and more

$83.33 /hr
472 hours

Miroslav Visekruna

Miroslav Visekruna

GIS Architect | System Analyst | Developer

Canada - Tests: 1

Dependable with diversified education and experience in all facets of the GIS lifecycle. An enthusiastic team player with pragmatic strategic planning, analytical and communication skills with an emphasis on delivering solutions to meet business objectives. Dynamic and self-directed with proven success in delivering results on time and to the satisfaction of the business in demanding, fast-paced environments where technology remains in states of flux and evolution.

$85.00 /hr
58 hours

Muhammad usman A. Agency Contractor

BI & DWH (Teradata,Qlikview,BO,Cognos,Microstrategy,Tableau,SSRS/SSIS)

Australia - Tests: 4

To provide best in class consulting services to the clients in Business Intelligence (BI) and Data-warehousing domain. My expertise is in following tools: Teradata V2R5/12 Microstrategy - MSTR (8, 9) Qlikview (8, 9) Cognos (7, 8.4) Tableau Business Objects (XIR2, XIR3) Microsoft SSAS / SSRS / SSIS SAS Teradata CRM and Teradata Miner Microsoft Dynamics CRM Pentaho Over the past 11 years, I have been working for three industry leader companies in BI and data-warehousing field. With these companies, I have worked on large scale Business Intelligence and data-warehousing projects in Europe. I have been working for different companies in Telecom, Banking, Finance, Insurance, Airline and Manufacturing industries. I can act as any of the following roles, End-to-End BI and data-warehouse Solution implementation expert, BI Project Concepting, BI Semantic layer Design, BI Reports/Dashboards/Scorecards design and development, Project Management, Business Analyst, BI KPIs Modeling, ETL development, Agile Scrum Master. Certifications: Certified Business Intelligence Professional (CBIP), Certified Cognos Modeler version 8/8.4, Business Objects Certified Professional (Level-2), Teradata Certified Master V2R5, Microstrategy Certified Engineer, ITIL Foundation certification, SAS Base certified, Scrum Master certified from Scrum Alliance.

Associated with: Bilytica private limited

$44.44 /hr
2,399 hours

Ravi Padmaraj

Ravi Padmaraj

Hadoop developer with exp in hadoop,web technologies

India - Tests: 2

* I am an hadoop developer with expereince in core java,hadoop, web frameworks, machine learning etc.I have a rich programming experience as well as financial analysis expertise. * Skilled in all hadoop ecosystem components:Mapreduce,Hbase,Hive,Pig,Spark,HCatalog * Skilled in web technologies :Spring,Struts,Servlets,JSP,EXTJS,Java Script,CSS * Expertise in retail,telecom and consumer electronics domain. * Expertise in building data analysis modules in all the above mentioned domains.Experience in R language. * Expertise in machine learning algorithms and frameworks like apache mahout. * Expertise in No SQL databases.(MongoDB,Cassandra,Neo4J,Titan) * Expertise in financial statement analysis and company research. * Certifications: Cloudera certified Developer Cloudera certified in Hbase Cloudera certified Admin IBM Big insights certified Big Data University Certifications

100% Job Success
$7.78 /hr
209 hours

Maheshwari D.

Maheshwari D.

More than SIX years of experience as Analyst using various techniques

India - Tests: 1

I'm a Statistician with Six years of experience as Analyst using various techniques for Business Intelligence, data modeling & Business Analysis, towards problem resolution. Highlights Total years of working experience 8 yrs and relevant working experience in years in IT 6+ yrs. Expertise with Statistical Modeling as well as data modeling Techniques and Data Analysis. Work experience in Big Data , Hadoop, Open source technologies like R, Python Etc. Knowledge and Experience in Machine Learning, Predictive modeling and expertise in Statistical Modeling Completed SAS/Base Programmer Certification Course from SAS Institute Inc. Completed Certification Course of SAS Advanced Programming from SAS Institute Inc. Over One Year of experience using SAS for Data Analysis and SAS training. Proficient in SAS Base Programming. Proficient in Relational Database Structure and Data Manipulation. Functional Knowledge of Business Intelligence and Data Warehouse design concepts. Expertise in data modeling Techniques and Data Analysis. Detail-oriented, Self- motivated Supportive and Cooperative. Excellent interpersonal skill, quality conscious and hardworking. Technical Skills Languages SQL Packages SAS/Base, SAS/Macro (V8 & V9), SPSS, Stata Data Warehouse Tools SAS/ETL, SSIS/SSAS/SSRS Operating System Windows XP, Windows 2000,Windows 7 RDBMS Oracle 8i/9i, SQL Server 2005 Additional Tools MS Word/Excel/Access/PowerPoint, ER Win Analytics Techniques Big Data Analytics, Hadoop, R programming,Python, RapidMiner,

$27.78 /hr
0 hours

Nag Y

Data Sciences, Enterprise application Predictive Modeling Professional

India - Tests: 2

Nag currenty drives the Analytics team. He has executed & delivered a few flagship projects in the areas of business intelligence & data mining across some of the large organizations including Alcatel Lucent, Aricent Software Systems, Coginzant . Nag has the experience of handling data-intensive assignments involving millions of customer base. He has led a few first-time-in-the-industry projects that required R&D and application of algorithms tailored to the domain. Specialties:Nag ’s competencies include: - A smart professional with 8+ years of experience in Enterprise applications. Hands on experience in developing multi tier architecture applications using Java, SOAP,Hibernate,Spring,Design Patterns ,OOAD,API design. Three years of experience in Big Data platform using Apache Hadoop and its ecosystem. Expertise in ingestion, storage, querying, processing and analysis of Big data. Experienced in using Pig, Hive, Sqoop, Oozie, Flume, HBase. Good experience with the Hive Query optimization and Performance tuning.  Hands on experience in writing Pig Latin Scripts and custom implementations using UDF'S. Good experience with Sqoop for importing data from different RDBMS to HDFS and export data back to RDBMS systems for ad-hoc Reporting.  Experienced in batch job workflow scheduling and monitoring tools like Oozie. Extended Hive and Pig core functionality by writing custom UDFs. Experienced in analyzing data using HiveQL, Pig Latin, and custom Map Reduce programs in Java. Worked as technical team lead/off shore coordinator in leading multiple projects for timely deliverables. Comprehensive problem solving abilities, excellent verbal and written communication skills, willingness to learn, Team facilitator. Successfully plans and coordinates teams for multiple IT projects with managing time lines and budgets efficiently by analyzing, designing, and implementing cost-effective solutions Able to think "out of the box" and make critical decisions. Able to work effectively under pressure with changing priorities and deadlines. Provided direction for development, migration, and integration activities. Sees projects through from inception to deployment. Big Data analytics: storing and mining large & complex data - Customer scoring for various propensities: likelihood of churn, sale etc. - Product analytics: price elasticity of demand, market baskets - Web analytics: e-commerce & digital marketing optimization - Text mining: converting text into structured data, extracting semantics - Transforming academic research into industry applications - Building an analytics layer over existing ERP & CRM applications. Apache Spark jobs in Scala and MapReduce jobs in Java, Sqoop, Flume, Zookeeper, HBase and Hive . Hands on experience in installing, configuring and using ecosystem components like Hadoop MapReduce, HDFS, Hbase , Zookeeper, Oozie, Hive, Sqoop, Flume. Extensive experience in SQL and NoSQL development. Experience in data analytics using Apache Spark in Scala. Excellent Knowledge implementing Hadoop with the AWS EC2 system using a few instances in gathering and analyzing data log files. Working on data using Sqoop from HDFS to Relational Database Systems and vice-versa. Working on Hive/Hbase vs RDBMS, imported data to Hive, partitions, indexes, views, queries and reports for BI data analysis. Developing data pipeline using Flume, Sqoop, Pig and Java map reduce to ingest customer behavioral data and benefits histories into HDFS for analysis. Worked on RDDs and aggregate functions applied on them to get the required results. Working as a Implementation Analyst for configuring the benefits and events based on the BRD documents and processing them Web Development: Involved in various phases of Software Development Life Cycle (SDLC) as requirement gathering, data modeling, analysis, architecture design and development of project. Designed UI using JSP and HTML and validated with JavaScript for providing the user interface and communication between client and server. Worked on XML schema and SOAP message. Developed business logic activities by developing business service classes. Involved in web development using RoR technologies. Worked on different gems for authentication, building role base systems. Worked on Integration with other api and consuming their apis e.g. Twitter , LinkedIn, Facebook and Instagram Worked on integrating different payment system with the web applications e.g. PayPal, Authorize.ent, Heartland , Braintree etc. Experienced in deploying the Rails web app to VPS server e.g. Linode, Digital Ocean, Amazon EC2 , Rackspace etc with the apache passenger and ngnix server. Worked on writing the deployment scripts and cron schedulers. Worked on Redis and elastic search

$30.00 /hr
0 hours