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Udana Udayanga

Udana Udayanga

Codeigniter / Zend | Joomla / WordPress |OpenCart/Magento| Amazon/eBay

Sri Lanka - Tests: 6 - Portfolio: 16

I am in this field for more than Five years. I prefer using my qualities to be reflected through the work I do. I thoroughly enjoy what I do, especially observing the results alongside my clients. If you may like to work together, please get in touch. And don't worry; if I don't think I can do your job well, I won't take it .Expect high quality and low price from me. If I work well I will grow, thats the bottom line.

Groups: CubeCart, Sun Certified Professionals

91% Job Success
$15.00 /hr
1,503 hours

Andrey Chorniy

Andrey Chorniy Agency Contractor

Senior Java (JEE and Android) Developer

Ukraine - Tests: 3 - Portfolio: 7

During my 11 years experience I've worked with a lot of java technologies and frameworks, performed a lot of refactorings and system re-deisgns and application performance tuning. My latest experience include application development for Android platform and web-applications with Java/Jboss-Seam/JSF/Hibernate/Spring. System integration with CMS systems like Alfresco, Artesia (OpenText) I have strong background in application performance tuning. Follow the best OOP principles and Design-Patterns. I also have an experience in developing information retrieval systems, datamining, textmining, evolutionary/genetic algorithms. I'm looking for challenging Java/JEE/Android projects.

Groups: Android, Sun Certified Professionals

Associated with: Texus

100% Job Success
$30.00 /hr
2,901 hours

Alastair A.

Developer / Integrator / Administrator - Ruby, Rails - MSc, MCSD

United Kingdom - Tests: 2 - Portfolio: 4

I have developed and supported a wide range of systems, from business components for global financial corporations through to small websites and systems for small companies, using Javascript, Ruby, PHP, C#, Visual Basic, SQL Server, Access, and QuickBase. My core competency lies in helping to determine and create the appropriate system according to requirements. Experienced in the following areas: HTML, CSS, HAML, SASS, REST, Javascript, UML, Linux, Mac, Google Apps, Single-sign on (SSO), Joyent, Slicehost. Microsoft Certified Solution Developer (MCSD) and Sun Certified Java Programmer.

Groups:, Sun Certified Professionals

$55.56 /hr
319 hours

Roger Paes

Roger Paes

Expert Java web developer (10+ years) SCJP/SCWCD

Canada - Tests: 3

I'm a Java developer with 10+ years of experience in the J2EE platform, having developed a wide range of web applications(frontend/backend) using the following tools and technologies: Spring 3, Angular JS, Struts, WAS, Oracle, Tomcat, Extjs, Mysql, EJB, JSP, UML, Design patterns, SQL, Hibernate, JSF, Eclipse, Maven, RTC, web services, JMS, etc. I'm seeking opportunities to build java applications from end-to-end.

Groups: Sun Certified Professionals

$16.67 /hr
0 hours

Vishal T.

Vishal T.

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

50% Job Success
$22.22 /hr
181 hours

irfan shahzad

irfan shahzad

PHP and Sun Certified Java Programmer

Pakistan - Tests: 6 - Portfolio: 3

Over four years of development experience with sound knowledge of Object Oriented analysis and design principles. I have been actively involved in developing scalable enterprise application using Agile and TDD methodologies. using Java platform. Furthermore, I have been learning and experimenting with new technologies to expand my horizon and keep myself up-to-date with future trends.

Groups: Sun Certified Professionals

$16.67 /hr
238 hours

Jayansh Shinde

Jayansh Shinde Agency Contractor

Apache Ofbiz, Java,Eclipse RCP, OpenGTS

India - Tests: 3 - Portfolio: 7

Software developer and architect with 8+ years of experience in software industry. Proven record for achieving successful products – TransForm (Oracle forms to java) and TransRep(Oracle Reports to Birt).

Groups: Sun Certified Professionals

Associated with: Jaysan

$22.22 /hr
1,332 hours

Liviu E.

Solaris/Linux Certified Administrator

New Zealand - Tests: 8

In the last 5 years i have administered over 300 Solaris 8,9,10, RHEL and SLES servers including clustered environments using SUN Cluster and Veritas Cluster software. Also i have administered backup servers like EMC Networker 7.3 and Veritas NetBackup 5.x and used TSM as client side. I have experience with Solaris Volume Manager and Veritas Volume Manager used with SAN storage EMC Simmetrix and Clariion. I also have good shell scripting skills. Experience with VMWare,Sun VirtualBox,Sun containers and OpenVZ virtualization solutions.

Groups: Sun Certified Professionals

$22.22 /hr
97 hours

Andriy K.

Andriy K.

Expert Android Developer

Ukraine - Tests: 9 - Portfolio: 32

✔ Upwork All-Star Freelancer Club member! ✔ Upwork Verified Mobile Developers Club member! ✔ Upwork Top Rated! ✔ Oracle Certified Professional - Java Over the last 4 years, I have successfully developed over 25 complex Android Applications from scratch on my own. My Java skills are confirmed by SCJP (Sun Certified Java Programmer), passed with 98% score. Excellent knowledge of Java and extensive experience in Android allow me to make quality and high-performance applications. Almost all applications and games that I made hit the Top 100 in the Nook Store, even a few hit the Top 10. Very good knowledge of OOP, OOD, Design Patterns, excellent problem solving and decision making skills. I have rich experience in the major components of Android, such as: - UI : Custom components, Fragments, Layouts, ActionBar, 2D Animations, Material Design, Dialogs, Menu, User Interaction(touches, gestures) - Core : Intents, Services, Receivers, Content Providers, Custom Adapters, Resources, Multithreading - Communication & Networking : HTTP, REST, Parse, Socket, JSON, XML, SMS, Bluetooth, Bluetooth LTE, iBeacon, NFC - Hardware and Media: GPS, Google Maps v2, Speech Recognition, Playing Audio/Video, Sound, Playing Sound Effects, Accelerometer - Persisting Data: SharedPreferences, Files, SQLite, Backup and sharing data - Interacting with System: Notifications, Alarm Manager, Timed and Periodic Tasks, Persistent Background Operations, Contacts, Calendar, Task Stack - Graphics: Canvas, OpenGL, OpenGL ES (libGDX) - Social: Facebook, Twitter, Google+, Instagram, LinkedIn , Foursquare - Analytics: Woopra, Google, Localytics. I also have experience in developing Web Applications on J2EE platform. Core technologies and frameworks involved were Spring, Spring MVC, Hibernate, JPA frameworks; JSP, JDBC, HTML, XML, JSON, REST, JavaScript(jQuery, AngularJS), AJAX. My skills are confirmed by SCWCD (Sun Certified Web Component Developer) certificate.

Groups: Sun Certified Professionals

100% Job Success
$44.44 /hr
10,367 hours