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Last updated: August 1, 2015
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  1. David Camacho

    David Camacho

    Expert web java developer and project management

    Colombia - Last active: 08/28/2013

    I’m a systems engineer, whit skills in team leadership, analysis, software design and programing; I also have a high learning level, a very important ability to solve new challenges in real time. I like doing research, keeping update on new technologies, frameworks and tools and the knowledge from them. One of the main skills I have is the high efficiency and effectiveness problem solving and a great adaptability to changing conditions.

    $16.67 /hr
    0 hours
    0.00
  2. Vijayakumar K

    Vijayakumar K

    Senior Java Developer

    India - Last active: 10/23/2014 - Tests: 1

    Over 5 and half years of professional hands on experience in developing web based enterprise Applications Having excellent skill in core java programming Experience in MVC architecture using spring & Struts framework. Have strong interpersonal skills, which provide the ability to interact with business users and technical personnel. Keen to handle challenging role in the Software Industry. Adequate experience in Business process management tool developments using open source Having an year of experience in Android Development Having very Good client exposure in designing the decision making areas Providing complete solution to Complex business Scenarios by writing the most effective Algorithms. Used Collections frameworks extensively in all projects and having good knowledge with data structures Used Frameworks like Spring ,Struts and Hibernates Jquery extensively Very Quick in coding and experienced in debugging while solving production issues Implemented OOPS concept efficiently. Implemented design concepts while developing specific modules Have written many utility classes in order to achieve code re usability Having Domain Experience in Supply Chain Management, E-Commerce, Mobility ,Enterprise application services

    $18.00 /hr
    0 hours
    0.00
  3. kolitha karunarathna

    kolitha karunarathna

    Team Leader /Senior Software Engineer

    Sri Lanka - Last active: 6 months ago - Tests: 2 - Portfolio: 5

    I'm interested in investing my time in entrepreneurial activities helping businesses to grow further using IT based integrated applications, online trading applications, ERP applications and to develop and utilize tools to gain business intelligence for better decision making and to improve profitability and productivity. I believe that my strong analytical ability together with my passion for business and computer science helps businesses to grow further. I have been a enthusiastic software researcher, designer and developer. I'm specialized in developing software based applications using open source technologies. I have more than 7 years of software development experience developing large scale web applications, desktop applications, and few mobile applications. I'm a specialist in developing applications using JAVA and PHP based technologies. This includes good architectural knowledge on Jboss infrastructure based ejb, Spring, Hibernates and Struts integrated environments and frameworks. I have worked as a team lead on few projects, holding lead position my main responsibility was to guide the team to meet the technical and business objectives, guide the team to improve efficiency, reliability and effectiveness. Identifying new technologies which comply with latest industry standards and implementing those to acquire that operational advantage was another responsibility. Managing the software development process and overseeing the project progress, schedule development time lines, resource allocation and project planning, risk management and providing solutions, guidance and client management with satisfaction include some of my competencies. Other Competencies include - - Project Management - Entrepreneurship & Business Development. - Quantitative Financial Research and Investment Analysis. - Management and Business Administration. - Strategic Human Resource Management. - Human Psychology. - Process Mining - Data Science Managing the software development process and overseeing the project progress, schedule development time lines, resource allocation and project planning, risk management and providing solutions, guidance and client management with satisfaction include my other competencies.

    $30.00 /hr
    937 hours
    0.00
  4. Ravi Padmaraj

    Ravi Padmaraj

    Hadoop developer with exp in hadoop,web technologies

    India - Last active: 23 hours ago - 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

    $7.78 /hr
    149 hours
    0.00
  5. Alexandros Marnikas

    Expert Oracle Java Developer

    Greece - Last active: 3 days ago

    I started my professional career in Vodafone as Software Engineer. My team developed and maintained projects for the Vodafone’s network. We worked with SQL loader to load data in Oracle 8i. Within Oracle database i developed procedures and packages to create statistics for the traffic of Vodafone’s network at PL/SQL. Moreover one major fact was the development of the payroll application for the Greek public sector using Oracle 8i as database and Oracle Forms and Reports 6i for the presentation of the data. Additionally one major fact was the development of a new project in Intrasoft International for OLAF. The project manipulated the information provided by OLAF officers and the aim of the project was the calculation of the risks for the vessels and containers approaching the European coasts or passing the European borders. The database was Oracle 9i and ColdFusion was the Software for displaying data in Screens. At the second stage the application server was BEA Web logic 6 and Java (bean and servlet) to promote the data on the screens. I was the designer of the database using 3NF model designing index strategy, triggers using high SQL performance tuning. Also i was the developer of the project using PL/SQL Coldfusion and i assisted the implementation in Java. Also i developed projects using Java in Mediation system to implement the traffic going to Billing system. There were complicated rules for the billing system, selecting the correct data according to some characteristics receiving the correct tariffs. Also I had used retention policy in some cases to give priority in selection queries to create statistics (use of database as data ware house and business intelligence) and sometimes I gave priority in the completeness of the billing cycle (used as OLTP database) and in transactions. Another project I was involved was the reception of Web Services (concerning network results) transforming data using Json objects and passing them in jsp using Ajax. We used jQuery to display the data on screens (div, css and other html elements). During this implementation i solved problems concerning the various browsers and especially Internet Explorer (i have downloaded Development tools to have in screens all Internet explorer versions) and for this reason i used jQuery which gives the opportunity to work all the html elements in all browsers including Internet Explorer. Nevertheless to face all problems i used special features in css only for Internet explorer 7 and 8. In addition i have worked in a project for the Greek customs. I am responsible to deliver some parts to the client. These parts concern all the major software components started from JSF, Java, JPA Workflow Spring MVC and at the end Oracle 11g. I have installed Oracle 11g in Linux environment using OFA (Oracle Flexible Architecture). I am responsible for monthly backup (consistent full backup). I also faced problems concerning all database problems (for example problem with tables, synonyms, and users’ quota in table spaces). Moreover i have developed rules with Java for the business of the project. The functionality of the project is the exchange messages xml using JMS and checking the integrity using xsd files. The data of the message are being transformed in objects passing validation according to some rules and then are loaded at Oracle 11g database. The framework used to load data is JPA using JPQL language. Within project i use Spring Webflow MVC for the dynamic navigation decision. In addition I use Oracle Enterprise Manager to change initialization parameters like the archiving of the database (set in archive log mode the database) memory (maximum and target memory) check the performance of the database using the advisors like memory advisors, sql advisors from which I can find database problems like bad writing queries and index missing. Moreover I have created a prototype using JSF 2 with rich faces 4 and Spring Web flow MVC 3.1. After the creation of the prototype we have implemented the screens at JSF. The screens have been accepted by the client. At the second stage we have implemented the validation, submission and the search results using JPQL. The configuration has been implemented using JTA and the provider for the JPA is OpenJPA . At the search i have proposed to use dynamic SQL using JPQL. In addition i have created the database Oracle 11g 2.0.3 at Linux Red Hat using Optimal Flexible Architecture. After the creation i have changed database settings to suit to our needs. This prototype includes the configuration of Eclipse Juno, Apache Tomcat 7 as Application Server and maven. In addition i have a knowledge of IBM Rup disciplines methodologies and UML diagrams. In Analysis we retrieve the requirements we fix class diagrams then the use cases from use cases the sequence diagrams.

    $16.67 /hr
    0 hours
    0.00
  6. Dipak T.

    Dipak T.

    Sr. Java Developer

    India - Last active: 05/07/2014 - Tests: 5

    A software developer with 6.5+ years of experience in web application development. I am well versed Java, JSP, Servlet, Spring, Hibernate JDBC, JavaBeans, Php, Mysql, oracle (8i,9i,10g) ,SQL SERVER (2000,2005,2008), PostgreSQL,GWT.

    $14.44 /hr
    0 hours
    0.00
  7. Sachin T.

    Sachin T.

    Sr. Java Hadoop Programmer / Analyst

    United States - Last active: 22 days ago - Tests: 2

    SUMMARY: • 14+ years of experience involved in design, development, testing and support of high performance multi-threaded client server, web based applications and n tier applications in Java and C++. • 6+ years of exposure to Fixed Income, equities and derivatives with 3+ years of experience in credit risk, market risk, operational risk and FIX, CCAR reporting, VAR and stress testing. • 8+ years of server side experience using Core Java, multithreading, Spring, XML, JDBC, JMS, Web Services, JUnit, Mockito, J2EE, JSP, Servlet, HTML 5, JavaScript, jQuery and free marker templates. • 8+ years of experience in Sybase SQL, Oracle, MS SQL Server, shell, Perl, windows, Linux. • 8+ experience in requirements gathering, translating them to functional as well as technical specification. • 8+ experience in working with as well as leading offshore teams. • Exposure to big data technologies like Hadoop, pig, hive, spark, oozie and hbase. • Strong experience in various phases of Software Development Life Cycle (SDLC) Object Oriented Programming, OOD, UML concepts and J2EE Design Patterns and Test Driven Design • Hands on experience in Tomcat, WebSphere, WebLogic Application server, autosys and Microsoft Excel. • Excellent analytical, problem solving skills and good exposure to mathematics concepts in finance. • Ability to quickly master new concepts, applications, technologies, vendor products • Strong Communication and interpersonal skills with experience in Technical Writing and Documentation. • Strongly committed to deliver timely, accurate and quality work.

    $30.00 /hr
    0 hours
    0.00