1. Java & OO Fundamentals seems to be an essential skill for all content and front end developers.
Certifications: Sun Certified Java Professional (SCJP ) and SCWCD
Career path ( http://www.sun.com/training/certification/java/scjd.xml)
Online Course Java and OO : http://www.javablackbelt.com/
2. HTML / CSS / JS PHP / MySQL
Though certification are not needed, most employers look for good amount of hands on experience in these technologies.
Credibility: Website Portfolioz, Recommendations.
Certifications: Certified PHP Developer.
Exam to Take : http://www.w3schools.com/cert/cert_php.asp $75
Courses: Hands on , online, Barnes & Noble.
3. Frameworks : Spring , AJAX
Spring is a layered Java/J2EE application platform that is getting everywhere from development to Cloud Computing. You can use all of Spring’s functionality in any J2EE server, and most of it also in non-managed environments. A central focus of Spring is to allow for reusable business and data access objects that are not tied to specific J2EE services. Such objects can be reused across J2EE environments (web or EJB), standalone applications, test environments, etc without any hassle. http://www.springsource.org/
4. Industry and current Market Trends :
Mobile Development is leading the industry today. With new phones and apps being launched everyday a lot of startups are looking for these skills irrespective of certifications..IPhone:
http://www.odesk.com/blog/2009/11/top-10-iphone-development-blogs/.Objective C and C++ and COCOA development for MAC applications:Suitable for anyone with a little C/C++ programming experience who wants to create software for the newest Mac platform, Cocoa Programming is used to create Mac programs.Good Books:
http://www.amazon.com/Cocoa-Programming-Mac-OS-3rd/dp/0321503619/ref=pd_sim_b_5 .Android: Google’s bet to take our Phone OS world is another good platform to lean. You don’t even need access to an Android phone, just a computer where you can install the Android SDK and the phone emulator that comes with it. http://www.android.com/