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Maksym Govorischev

Maksym Govorischev

Java and Spring Expert, tech lead and architect

Ukraine - Tests: 5 - Portfolio: 1

Lead 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 existing projects and starting improving and troubleshooting right away. Not afraid of asking questions, try to ask good ones.

Groups: Sun Certified Professionals

$30.00 /hr
3,950 hours

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

$45.00 /hr
13,846 hours

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

$14.44 /hr
1,103 hours

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

Jayansh Shinde

Jayansh Shinde Agency Contractor

Ofbiz, Java, Eclipse RCP

India - Tests: 3 - Portfolio: 7

Software developer and architect with 9+ years of experience in software industry. Proven record for achieving successful products – TransForm (Oracle forms to java) and TransRep(Oracle Reports to Birt). I am a all-rounder developer experienced as Web/UI/Desktop application developer from a decade.

Groups: Sun Certified Professionals

$22.22 /hr
1,332 hours

Andriy K.

Andriy K.

Expert Android Developer

Ukraine - Tests: 9 - Portfolio: 33

✔ Upwork Top Rated! ✔ Upwork All-Star Freelancer Club member! ✔ Upwork Verified Mobile Developers Club member! ✔ 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. Fully excellent knowledge of the Android and Java platforms 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. Rich experience in the major components of Android, such as: - UI : Custom components, Fragments, Layouts, ToolBar, 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, Camera, 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 - IDE: Android Studio, Eclipse. I also have experience in developing Web Applications on J2EE platform. Core technologies and frameworks involved were Spring, Spring MVC, Hibernate, JPA; JSP, JDBC, HTML, XML, JSON, REST, JavaScript(jQuery, AngularJS), AJAX. My skills are confirmed by OCWCD (Oracle Certified Web Component Developer) passed with 94%.

Groups: Sun Certified Professionals

$42.22 /hr
10,571 hours

Satyanarayan Y.

Satyanarayan Y.

Expert Java/J2EE/Android Developer

India - Tests: 12 - Portfolio: 5

I have over 7+ years of work experience in Software Development Industry. ✔ Language:- Core Java, Advance Java, PHP ✔ Web Technologies:- Spring Framework, Spring MVC, JSP, Servlet, Struts, JSF, PrimeFaces, Hibernate, JPA, EJB, JDBC ✔ Web Services: REST API with Spring MVC, Java RESTful Web-Services with Jersey API, JAX-WS, JAX-RS, SOAP. ✔ Scripting Language:- HTML, JSTL, Java Script, Ajax, JQuery, CSS. ✔ Database:- MySQL, PostgreSQL. ✔ Web Server:- Tomcat, JBoss. ✔ Version Management Tools:- Visual Source Safe, SVN, Git. ✔ Development IDE:- Eclipse, Net Bean, Intell iJ. I have involved in wide range of website development using JSP, Servlet, Struts 2.x, JSF, Spring, Hibernate, RichFaces, PrimeFaces, JPA, EJB, Ajax, JQuery, Java Script, HTML, CSS and so on.. I am holding Sun Certified Java Programmer(SCJP) certificate. My core competencies lie in complete end-to-end development of any size application right from app development to DB design. Proven ability to develop multiple projects with medium to high complexity. Commitment to Quality work and on-time delivery. Our motive is to help customers to achieve their business objectives by providing innovative, best-in class IT solutions and services, which correspond to client's requirements for 100% or bit more...

Groups: Crossrider, Sun Certified Professionals

$15.00 /hr
2,242 hours

Ravi V.

Ravi V. Agency Contractor

CTO | Project Manager | Expert : .Net 3.0, 3.5, Joomla, ILance, WP

India - Tests: 11 - Portfolio: 6

I have more than 10 years of experience in IT field. In these years, I have worked in many fields including corporate trainer, faculty, developer, TL, Project manager, Tech Lead etc. Working in these all fields, I gained a lot of experience in development, designing and project planning. I have also good experience with project management. Being SCJP, I have good experience with Java, ASP.Net, PHP, MVC Framework, WordPress, MS SQL, Oracle, MySQL, CSS, HTML, XHTML, HTML5, CSS3, Responsive designs, Bootstrap etc.

Groups: Sun Certified Professionals

$16.67 /hr
8,011 hours

Krishna M.

Krishna M.

Senior Java Developer or Architect

India - Tests: 5 - Portfolio: 2

Hello there! I am a senior Java developer or Architect with more than 16 years of solid work experience in software development based on Java. I have extensively worked in all stages of web and non-web application development starting with requirement gathering, design, development, testing, release management and production support. My Skill set Matrix: Java EE (JSP, JSF, Servlet, EJB, JMS, JDBC, JPA etc): 15 years UML/Design: 12 years HTML/CSS/Javascript, CSS, JQuery, ExtJS: 9 years HTML5 Frameworks (Foundation/Bootstrap): 2 years Struts: 10 years Spring3 (MVC, IoC, Security, Transactions, ORM): 6 years Jasper Reports: 4 years Hibernate: 8 years ESB Mule: 1 year XML/Web services (SOAP/REST): 6 years Android App development: 2 years Messaging (JMS/MQ Series): 4 years JUnit/Mockito: 6 years Selenium Web driver: 6 months MySQL, DB2, SQL Server, Oracle: 10+ years Mongo DB: 6 months Ant, Maven: 8 years Git, SVN, CVS: 8 years IDE (Eclipse/ IntelliJ/RAD): 12 years Amazon AWS, EC2, S3, SNS: 3 years Tomcat, JBoss, Websphere: 10+ years Windows, Linux/Unix: 15 years Also, I am Sun certified Enterprise Architect (SCEA), IBM certified SOA solution designer and IBM certified Object oriented analysis and design with UML. Through these certifications and my work experience, I have broadened my knowledge and skill set. If you are looking for a developer who is passionate, enthusiastic and really knows the programming, please consider me for your job. I am attaching my resume for your reference. If I can provide you with any further information on my background and qualifications, please let me know. Looking forward to working with you. Sincerely, Krishna

Groups: Sun Certified Professionals

$30.00 /hr
6,479 hours