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Hadoop Upwork freelancers typically receive a client rating of 4.78.

Last updated: October 1, 2015

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Sanju Thomas

Sanju Thomas

Java/Spring/Solr/Endeca/SOA/JEE Architect & Developer

India - Tests: 3

Technically sophisticated and business savvy professional with over 10 years of experience in Project Management, Application Design, Development, Maintenance, Support & Continuous Monitoring in Java and related technologies. Worked as Technology Owner of Multiple Applications for Goldman Sachs, Bangalore. Adept in providing post-implementation application maintenance and enhancement support with regard to the product/software application; requirement gathering, system analysis as well as finalization of technical/functional/performance specifications. Skills in technical analysis, business process mapping, requirement study and client interaction. Hands on experience in software development life cycle in multiple business domains. A technocrat with hands on experience in leading teams for successful project implementation while ensuring a high-quality customer experience, elevating customer satisfaction in line with SLAs and work processes and ethics. Have experience in reviewing deliverables at regular intervals and steering the team to complete all project on time and within budgetary parameters. Experienced in Agile/Scrum Methodologies & Test Driven Development. Deep knowledge in Object Oriented Analysis/Design and Unified Modeling Language using tools like Rational Rose, Astah UML, Star UML and Enterprise Architect. Extensive development experience in Java, EJB, Hibernate, JUnit and RMI using Eclipse IDE in Linux/Solaris Platforms. Strong abilities in testing software including creation of test scripts/cases, execution of functional system tests and tracking of defects using various tools. Excellent interpersonal, communication and organisational skills. Holds the distinction of working across software development life cycle with globally distributed cross functional teams for many time-bound and critical projects. Sanju Thomas is a certified scrum professional, certified scrum developer, certified scrum master and certified scrum product owner too. Specialties: Java, Java Script, Test Driven Development, Scrum, Agile, Struts, Spring, Hibernate, Apache Solr, EJB, JBoss, Tomcat, MongoDB, JIRA, Jenkins, Autosys, SVN, Git, UML, Eclipse, JUnit, JMockit, Mockito, JSP, Servlets, JMS, JAX-WS, RESTFul web services, Oracle, XML, JAXB, Sonar, Maven, Service Oriented Architecture, Amazon Web Services, Amazon Market Space (MWS) Web Services, Oracle Endeca Information Discovery, Oracle Endeca Guided Search, Oracle Endeca Commerce, Hadoop, Aache Hive, Yarn, Apache Spark, Coludera

$30.00 /hr
54 hours

Tarun G.


India - Tests: 2

Experienced & Highly Rated Application Developer Skill Summary: Java 8, PHP, HTML, JavaScript Hibernate, Spring, Spring MVC, Spring AOP, Spring Data, JPA, JDBC, JMS, Servlets, JSP, XML, Google GWT, OOAD, Liferay, Eclipse, JMS, Google Maps, JUnit, Git, Github, Maven, Agile, Bootstrap 3, CSS, Web Services RESTful, AJAX, AWS EC2, Database - Oracle, Mysql, PostgreSQL, NoSQL, Cassandra, MongoDB

100% Job Success
$18.00 /hr
106 hours

Gurpreet Singh

Gurpreet Singh

Tableau & Pentaho BI Professional

India - Tests: 1

I strive to achieve quality, correctness, performance and maintainability in the products I write. I believe a sound understanding and application of software engineering principles is more valuable than familiarity with popular tool sets. I am BI professional having comprehensive knowledge of designing and analyzing data warehouse using data modeling and data warehouse methodologies. I am skilled in analyzing user requirements and building front-end BI applications , knowledgeable of project management and development life cycle

$20.00 /hr
5 hours

Valery P.

Valery P. Agency Contractor

PHP / ExtJS / Web Developer / Zend Framework

Belarus - Tests: 3 - Portfolio: 31

Open to relocation to Europe for a long-term contract. 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. Also worked on development of few CRM systems. My primary skills: - Operating systems: Windows (all), Linux (Gentoo, Ubuntu, Debian), MacOS. - Programming languages: PHP, JavaScript, SQL, Java, UNIX Shell scripts, HTML, CSS, XML. - Frameworks: Zend Framework, ExtJS 3, ExtJS 4, Phalcon PHP Framework, JQuery, Google Maps API. - Databases: MySQL. - Technologies and tools: JPA, Hibernate, JPQL, RabbitMQ, Maven, GIT, Kount API, Google Maps Distance Matrix API, PayPal API, Fidelity API, USAePay API, API, Froogle API, UPS API, JSON, AJAX, Hadoop, Hadoop MapReduce, HDFS, Hadoop Fair Scheduler, WebDAV, Hibernate, Spring, Apache, CVS, SVN, Tomcat, JBoss, GMF, EMF, DITA, Apache Servicemix, Apache Axis2, SOAP, TestNG, JUnit. - Network and Server: Microsoft Network, XAMP, LAMP, Linux, TCP/IP protocols stack, FTP & HTTP protocols, Active Directory. - Other expert knowledge: PSD to table less and valid DHTML, distributed computing, huge data processing, Eclipse programmer (Plugins, UI, OSGI). - Computer Application: IntelliJ IDEA 14, Adobe Photoshop CS4, Navicat 11, Zend Studio, Eclispe. 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.

Associated with: Inquiry Tomorrow inc. Agency

95% Job Success
$40.00 /hr
8,098 hours

Girish D

Girish D

Searching for Management/informatica/DWH/BI/Bigdata/Java/KPO work

India - Portfolio: 2

6+ years of experience in Data warehousing Technology Requirement Analysis, Data Analysis, Application Design, Application Development which includes, Requirement gathering, Customization and Maintenance of various Business Applications in Data Warehouse/BI (ETL,Reporting) as well as SDLC of any technology. I have worked on real time projects as well as training material also provided proper material with real time scenarios. You can check my earlier job history. Service Description Professional Expertise: • Experience in Transformations, Mappings, Targets, Workflows, Worklets, Sessions. • Good in elimination of bottlenecks in the mapping for performance tuning. • Good understanding of ETL Framework and Processes; In particular – Incident Management, Problem Management, Change Management, Business Continuity Management, Service Management. • Extensively worked on Data Extraction, Transformation, and Loading with RDBMS, Flat files. • Effective in interaction with Business users, understand their requirement, simplify complex IT jargon in business suitable language and vice versa. Technical/System Skills: • Programming Languages: SQL/ PLSQL, C • DBMS: Oracle SQL, Teradata, Microsoft SQL Server 2005/2008. • Operating System: UNIX, Windows. • Scripting Languages: UNIX Shell • ETL-Tools: Informatica Power Center 8.x/9.x • Reporting-Tools: Cognos,Tableau,QlikView Experience: 1. Healthcare –Reporting Management Description: To generate Flexible generic process for evaluation of valuable data as to maintain history products. It has various data Sources for modules like Products, Facility, Professional, Vendors, etc. It has various source systems like Flat files, Oracle, SQL Server. Data from these sources acquired into the Stage database. Data cleansing and aggregation is done for the data and populated into ODS layer and then to Data warehouse for maintaining history and Data marts for reporting requirements. Roles & Responsibilities: • Responsible for analyzing, designing and developing ETL strategies and processes, writing ETL specifications. • Developed standard and re-usable mappings and mapplets using various transformations. • Extracted Data from flat files and various relational databases to Oracle Data warehouse Database. • Created the unit test cases for mappings developed and verified the data. • Conducted the peer review and debugging for mappings developed and tested. • Creating test plans and developing Test Scripts:Unit Testing,UAT support, document results, fixes assigned SIT & UAT defects and provides status for tracking. • Defect Tracking, Data Verification. Environment: Informatica Power center 8.x/9.x, Oracle, Toad, Windows, Unix, SQL Server 2005, Flat-file 2. EDW- Daily processing Description: EDW Data warehouse deals with different kinds of financial loans which are categorized as Facility, Professional, FEP. Data is coming from various sources like Oracle, Flat File etc which will be loaded in to EDW based on different frequencies as per the requirement. The entire ETL process consists of source systems, staging area, ODS layer, Data warehouse and Data mart. Responsibilities: • Responsible for analyzing, designing and developing ETL strategies and processes, writing ETL specifications. • Involved in business analysis, technical design sessions with business and technical staff to develop requirements document and data modeling with design of Data Warehouse, data marts. • Developed standard and re-usable mappings and mapplets using various transformations like expression, aggregator, joiner, source qualifier, router, lookup, update strategy, etc. • Data quality checking and interacting with the business analysts • Communication with the client for weekly status report and responsible for writing procedures in SQL server. • Created the unit test cases for mappings developed and verified the data. • Conducted the peer review and debugging for mappings developed and tested. • Creating test plans and developing Test Scripts:Unit Testing,UAT support, document results, fixes assigned SIT & UAT defects and provides status for tracking. Environment: Informatica PowerCenter 8.6, Oracle 10g, Oracle, Unix, 3. Procter-IDW Description: Integrated Data warehouse (IDW): to build an Integrated Data Warehouse (IDW) that will enable fact-based decision-making. The data warehouse being built will serve as a firm foundation for Business Intelligence and Data Analytics subsequently. The subject area covered in this phase is CUSTOMER, TRADES, ACCOUNT, ASSETS, DEPOSITS and SECURITY. The process loads the customers and account details, Household wise/Category wise Exclusive, Qualified and Practice revenue amounts, which will be used by the Decision Support System for the analysis.

$15.00 /hr
88 hours

Pooja Gupta

Pooja Gupta Agency Contractor

Hadoop Technical Architect

India - Tests: 1

Over the last 9 years, I have developed a wide range of application/analytical tool using Hadoop/MapReduce/Hive/Hbase/EC2,Java/J2ee/Spring/Struts/Hibernate/Securities and Oracle/PL/SQL.Also worked on application server like Tomcat/Weblogic/Jboss. My core competency lies in complete end-to-end business solutions and have also performed diverse role from developer to architect and I am seeking opportunities to provide solutions for you or your business. I also SCJP and OCA certified

Associated with: JBKSoft Technologies

100% Job Success
$27.78 /hr
1,927 hours