Top Upwork Freelancers

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  1. Maksym G.

    Maksym G.

    Technical Lead / Software Architect

    Ukraine - Tests: 4 - Portfolio: 1

    Senior software engineer with skills in JavaEE, Spring platform, various ORM frameworks, AWS based systems, both RDBMS and NoSQL solutions. Always willing to explore new areas of software development and accept new technical challenges. Over the past years I've worked for a wide range of companies, starting from small fast paced startups trying to get their solution to the market ASAP, and continuing with stable organizations like big ISV's and investment banks and so on. Able to design architecture of the solution and bootstrap project from scratch including infrastructure, development processes and communication workflows. Have experience with springing into exiting projects and starting improvement and troubleshooting tight away. Not afraid of asking questions, trying to ask good ones.

    Groups: Sun Certified Professionals

    $30.00 /hr
    3,932 hours
    4.79
  2. Alex U.

    Alex U. Agency Contractor

    Ruby, Java, Web Development

    Canada - Tests: 2 - Portfolio: 12

    Strong development, lead, architect skills deriving by 12 years of experience in successfully implementing IT Software Projects varying in size and across different industries. Specialties: Web and enterprise software architectures, object oriented development and design, design patterns, test-driven and agile software development, web application development, Java, J2EE, Ruby on Rails, Hibernate, Spring, transactions, databases, Oracle, PostgreSQL.

    Groups: Sun Certified Professionals

    Associated with: InnoInco

    $33.33 /hr
    13,341 hours
    4.95
  3. Vishal T.

    Vishal T. Agency Contractor

    PHP/Jquery/AJAX/Mysql expert with 7+yr Exp.

    India - Tests: 19 - Portfolio: 8

    I am an advanced level PHP Developer with over 7 years commercial experience. As a full time freelancer I am available for any job, large or small. I am used to working within tight timescales and provide excellent results every time and within budget. I have excellent communication skills and will endeavor to keep you in touch with every aspect of the development process. I have also established a reputation for thinking 'outside the box', so am more than willing to contribute ideas to your project if I can identify areas where functionality or commercial return can be improved. I have extensive knowledge working with PHP in an OOP / MVC environment and full working knowledge of client side languages and libraries including Javascript AJAX and jQuery and additional technologies such as SOAP, REST, XML and JSON. I also have a good working knowledge of JSP and Tomcat. I am used to working with 3rd party APIs including Twitter, Facebook and LinkedIn, together with the Google Map API, other Google APIs and ecommerce APIs such as Paypal, Google Checkout, SagePay, Worldpay and Ogone. I have worked on a number of e-commerce platforms including Magento, Virtuemart, Paypal and Google Checkout, ATG I have a good knowledge of HTML and CSS. I have worked with Wordpress and provided custom modifications to Wordpress websites. I have also worked on interfaces to SMS applications. I also have extensive experience with SEO and my clients regularly feature 'first page' on the major search engines. Please have a look at my profile for a selection of items from my portfolio.

    Groups: Sun Certified Professionals

    Associated with: Techy Minds Agency

    $22.22 /hr
    181 hours
    4.73
  4. Anoop John

    Anoop John

    Anoop John 8 Year Exp in DOJO, HTML,JAVA - JavaFX, Swing, GWT, Spring,

    India - Tests: 3 - Portfolio: 13

    Objective:- To develop a rewarding career in a reputed organization/people which will enable me to use my talents, creativity and ability to the maximum, and contribute to the growth of the organization as well as myself. Summery: >> 8 Years of Experience in Java/J2EE technology >> Experienced in Spring and Hibernate framework. >> Experienced in Desktop application development using Swing and JavaFX. >> Experienced in Client Server Application Development. >> Experienced in Web Application development and good knowledge in JSP, JSTL,HTML, CSS, JS and DOJO toolkit >> Good knowledge in JavaFX 2D/3D graphics system >> Experienced in performance improvement using caching mechanisms and multithreading. >> Experienced in profiling, finding memory leaks, code fine tuning and stability measurements. >> Experienced with code quality measures like code coverage (eCobertura), style check, PMD and java doc (jAutodoc). Fore more details visit my website http://anoopjohn.me/

    Groups: Sun Certified Professionals

    $27.78 /hr
    29 hours
    4.64
  5. Konstantin Burov

    Konstantin Burov

    Java & Android Developer

    Australia - Tests: 12 - Portfolio: 5

    I have extensive Java experience over the last 8 years and more then 10 years of HTML and CSS development. I participated in a wide range of projects that made me to learn different web frameworks and programming paradigms. I participated in development of several big J2EE applications, including CMS System, Distance Learning System and a social networking site.If you need an expert in GWT, Spring, Tapestry, Hibernate or Android, send me invite to an interview ;) Other technologies I use can be found on my profile. I like challenging projects that can inspire. Take me to one and you'll get good outcome :)

    Groups: Android, Sun Certified Professionals

    $111.11 /hr
    3,214 hours
    4.97
  6. Dhandapani K.

    9 yrs of exp in Java,MySQL,JFreeChart,Jasper Report,JSP,Struts,NMS/EMS

    India - Tests: 1 - Portfolio: 5

    Around 9 yrs of strong experience in design, development, testing, reporting using Java, JSP/HTML, Web Services, MySQL(Schema design & Performance Optimization), JFreeChart, Jasper Report. Hands on experience in AdventNet based Network/Element Management Software using Java, RMI, Swing, MySQL, Oracle, MSSQL, Sybase, SNMP and RADIUS. Experienced in reporting (JFreechart and Jasper Report) tools & MySQL schema design and Performance Optimization.

    Groups: Sun Certified Professionals

    $13.33 /hr
    2,816 hours
    5.00
  7. Shailendra Soni

    Shailendra Soni Agency Contractor

    9+ Years of experience in Java, J2EE , Spring, Hibernate,Strut 2,EJB 3

    India - Tests: 3 - Portfolio: 3

    I am having more than 9 years of experience in java and j2ee technologies. I have been working in latest frameworks like Struts 2, Spring, Hibernate , EJB and JPA and also having strong experience in java architecture to make more scalable big applications.

    Groups: Sun Certified Professionals

    Associated with: Blinking Star Pvt. Ltd.

    $14.44 /hr
    1,103 hours
    5.00
  8. Muhammad iftikhar khan

    Muhammad iftikhar khan

    Java ,J2EE ,IBM WCS7.0, Magento, eCommerce, ERP, Payment Gateways

    Pakistan - Tests: 6 - Portfolio: 9

    I have more than 9 years of development experience on Java/J2EE platform technologies including but not limited to JSP, Servlets, Struts, JSF, Primefaces, Spring MVC, EJB3.0, JSF2.0, Java Web Services, REST, Apache Solr, JDBC, JPA, Hibernate. I have worked mainly on eCommerce domains e.g IBM Web Sphere Commerce 7.0, Hybris & Magento. And I have in depth knowledge of business components of eCommerce (Catalog, Shopping Cart, Order, Inventory, Customer, Promotions, Fulfilment, Payments). Also I have working experience on ERP business domains & worked on two ERP products named TEAMS & 2BizBox. I have Integrated eCommerce systems with SAP, PayPal, Cyber Source Payments,Authorize.Net, Google checkout, Eway payment , Knet payment services, FedEx shipping services, UPS shipping services by using SOAP, Java API & hosted page solutions.

    Groups: Sun Certified Professionals

    $22.22 /hr
    1,369 hours
    3.68
  9. Rizky S. Agency Contractor

    SyAdmin,DBAdmin and Programmer with multiple IT Certifications

    Indonesia - Tests: 18

    I am an IT Engineer with years of experience. I have multiple IT certifications in Operating System, Programming, Database, and Networking. So you can see that I am an all-round IT Engineer. Please also check my projects in odesk, as you can see that I finished it all successfully.

    Groups: Sun Certified Professionals

    Associated with: Baltworks

    $14.44 /hr
    46 hours
    4.71
  10. Oleg G.

    Oleg G. Agency Contractor

    Complex J2EE/Grails/Spring/Hibernate/Ajax solutions

    Ukraine - Tests: 2 - Portfolio: 6

    Aiming to participate in challenging projects, use my experience to satisfy client's needs and establish long-term cooperation. Willing to produce high quality result and promote personal self-actualization. **.**

    Groups: Sun Certified Professionals

    Associated with: DGTeam Agency

    $38.89 /hr
    4,080 hours
    4.91