The State of Developer Ecosystem in 2017

In late 2016 and early 2017 we polled over 5,000 developers to identify the State of Developer Ecosystem.

Here's what we learned.

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Key takeaways

Java

most popular
primary language

JavaScript

most used
overall

Go

most
promising

Programming languages

42% of all developers don't plan to adopt any new languages.

Primary Programming Language (%)

How often do you use the following tools? (%)

Note: Percentage totals may not equal 100% because of rounding.

More than 70% of Java and C# developers use an IDE all day long.
For C and C++ developers, the numbers are 40% and 50%, respectively.

Do you do unit testing in your projects?

Do you contribute to open-source projects?

19%

of open source contributors don’t do unit testing

Development environment operating systems

21%

use Unix / Linux and Windows simultaneously

Application types

50%

are doing full stack development (both back-end and front-end)

Target mobile OS

65%

target more than 1 mobile operating system

Fun Facts

Do you play video games?

Yes, of course!
No
73%

of full-time C# developers play video games

What is your favorite game genre?

C developers love hardcore games, with less than 1% preferring Casual games.

Full-time developers prefer playing Simulations and Strategies. Part-timers like Action and Role-playing games. Freelancers are fond of Action-adventures and Role-playing. Self-employed go for Strategies, while students love Action-adventures.

How many hours a day do you sleep? (%)

Gamers sleep less than non-gamers. Same goes for those who do code review. Could code review be as fun as gaming? :)

Swift developers sleep very well, with 72% clocking in at over 7 hours/day.

How many hours a week do you spend coding? (%)

Only 11% don't have a personal or side project.

Do you code on weekends?

84%
code on weekends

52% of programmers who don't have a side project still code on weekends.

Do you have and use a cell / smart phone?

Those who develop for Android mostly have Android smartphones (77%), while those who develop for iOS have Apple iOS smartphones (64%).

Only 17% of those who develop for Windows have Windows-based smartphones.

14%

of developers have 2 or more smartphones with different OSs

Do you prefer the keyboard or the mouse?

Are you right-handed, left-handed or ambidextrous?

Left-handed developers prefer the keyboard more than do right-handed and ambidextrous ones. They also tend to customize keymaps in the their IDEs and editors more often.

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Thank you for you time!
We hope you found our report useful.

If you have any questions or suggestions, please contact us at surveys@jetbrains.com.