Link to sectionProgramming languages
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Python usage increased by 4% from last year, making it the second most popular programming language. Rust usage also notably increased, from 3% to 6%.
(?) Which programming languages do you regularly use on your job?
Link to sectionDatabases
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75% of respondents used PostgreSQL or MySQL (or both) as a database.
(?) Which databases do you regularly use at your job?
Link to sectionWeb frameworks
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React.js solidified its lead over Vue.js, increasing its share from 48% last year to 57% this year.
(?) Which web frameworks do you regularly use at your job?
Link to sectionOther frameworks and libraries
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.NET appears to be considerably less popular in Japan than internationally. While StackOverflow’s 2022 developer survey [reported](https://survey.stackoverflow.co/2022/#section-most-popular-technologies-other-frameworks-and-libraries) 35% of respondents used it, our survey found only 15% used it.
(?) Which other frameworks and libraries do you regularly use at your job?
Link to sectionDeveloper tools
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With 75% of respondents using Docker, it was by far the most popular tool.
(?) Which developer tools do you regularly use at your job?
Link to sectionDeveloper environments
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Visual Studio Code was respondents' preferred IDE.
(?) Which developer environments do you regularly use at your job?