App and web development in 2021: what you need to learn

Web developers and app developers: not sure what you should learn in the next 12 months? In such a rapidly changing industry, it can be hard to get a sense of which way the proverbial wind is blowing, which means you may find yourself in a slightly weaker position in terms of your future. 

So if you're looking for some ideas on how to organize your learning, look no further than this shortlist.


Learn how to build microservices 

Microservices are the dominant architectural model. There are many different reasons for this - the growth of APIs and web services, containerization - but ultimately what's important is that microservices allow you to build software in a modular way. This promotes efficiency and agility, 

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which in turn empowers developers. So if you don't have experience building microservices, you could do a lot worse than learning how to build them in 2020. Because even if you don't have a professional reason to learn more about microservices, getting exposure to the topic through personal projects could be a real benefit to you in the future.



Learn a new language

This item may not be at the top of your agenda. If you've been working with JavaScript or Java for years, it seems strange to take the time to learn something completely new. Surely you think, I'd rather invest my time and energy in learning something I can use at work? In fact, learning a 

new language could be one of the best things you do in 2020. Not only will it give your resume a soft kick and potentially open up new opportunities in the future, it will also give you a better holistic understanding of how programming languages work, what their relative limitations and advantages are over others. It's a cliché that travel broadens the mind, but when it comes to exploring and investigating new languages, it's certainly true. But what should you learn? That really depends on you, your background, and where you want to go. Some options are obvious - if you're a Java developer, 

Kotlin is the natural next step. Sometimes it's not so obvious - JavaScript developers, for example, might want to learn Go as they become more familiar with backend development, maybe even Rust or C++ if they're feeling particularly adventurous and ambitious.

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Learn a new framework

Even if you don't think learning a new language is for you, learning a new framework might be a more practical option to start with right away.

In the middle of the decade, when Angular.js was gaining traction in web development, there was a lot of debate and discussion about the "best" framework. Fortunately, that discourse has subsided as it has become clearer that choosing a framework is really about the best tool for the job, not a badge of personal identity.

With this change, it means you're open to learning new tools and frameworks, which will not only help you build your resume but also help you have a wide range of options for solving problems in your day-to-day work.


Re-learn a language you know

While it's good to learn new things (obviously), we don't talk enough about how valuable it can be to go back and relearn something.

There are several reasons for this: On the one hand, it's good to review your level of knowledge and familiarize yourself with new features and possibilities you may not have known before, but it also gives you the opportunity to explore a language from scratch and try to discover a new perspective on it.

This is especially useful if you want to learn a new paradigm, like functional programming. Going back to core principles and theory is essential if you want to unlock new levels of power and control. Although it's easy to dismiss the theory as something academic, let's make 2020 the year we properly appreciate the close relationship between theory and practice.


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