I want to learn a framework that promotes good programming practices and is respected by the programming community.
However, I also want a framework that I can use for a day job.
Which one would you recommend?
This question comes from my experience of learning the basics of Django because it was highly acclaimed by developers on Stack Overflow and Hacker News. However.. there's hardly any jobs in my area (NYC) that are asking for Django developers.
As a long-time ASP.NET guy, I've recently gone through a similar decision process to figure out what other web frameworks I should try. Here's what I learned so far which may apply to your case too:
- framework/platofrm choices (and hence job opportunities) are highly regional-- the Bay Area job market differs alot from what you'll find in NYC, Chicago, Montreal, or London. Look at local job listings (craigslist and indeed are good places to start) to get a good sense at what's in demand.
- similarly, usage varies alot based on the size and type of company. if you want to get a job in a large company, Spring MVC and ASP.NET MVC may be your best bets. In small companies, DJango and (especially) Rails seem to be on the rise.
- usage also sometimes varies by industry. for example, many HR apps seem be to .NET based, while financial/banking apps seem to favor Java. if you want to work in a particular industry, check out what up-and-coming companies in that industry are using.
- when investing your scarce time in learning something new, favor technologies which are on the upswing of the adoption curve (e.g. Rails) rather than frameworks with wider adoption which may not be growing as fast. Also be wary of very early or niche frameworks which may not ever gain wide adoption.
- the one common thread between most (or almost all) frameworks gaining in popularity is that they're MVC frameworks and rely heavily on a solid understanding of REST. Learning those concepts in depth is a good idea.
- before deciding to invest a lot of time in one framework, gain a basic understanding of several of them, so you can get a reasonable sense of what you like and don't about each-- and so if you end up applying for a job using a framework you haven't learned, at least you'll be able to talk intelligently about it.
- If you focus on what you enjoy, you'll be more motivated to learn it. For example, personally I found Rails (regarless of employment opportunities) more interesting than Spring or Django, so I decided to focus on Rails first. Others may have different impressions-- follow your programmer instincts. That said, there are often few jobs using technologies you find fascinating, so try to strike the right balance: technology you like that many companies are actually hiring people to use!
- once you answer the basic "what framework" question, there are many more questions lurking, including picking a javascript framework, validation framework, an ORM, etc. Don't worry too much about those choices yet-- when starting, just pick the default implementation for your framework. But as you get more advanced, the same argument about frameworks also hold for those other things-- e.g. it's useful to know a few ORMs.
Personally, I decided on this approach:
- continue building stuff in what I knew best (ASP.NET) but transition all work to ASP.NET MVC, where I can better understand MVC and REST concepts which apply cross-platform
- learn JQuery (again, platform neutral)
- blow off the ORM choice alltogether for now-- too many other things to worry about
- build a few projects in Rails, which is the framework I see used most in the newer SF-Bay-Area startups I've been looking at
- learn the basics (e.g. read a book or two, try a few samples) about Python/Django, Java/Spring, and Groovy/Grails.
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