Scala is a functional programming language that runs on the Java Virtual Machine (JVM). It's particularly popular in industries like finance and big data processing, where high-performance computing is essential.
Developed by Google, Go is known for its simplicity, efficiency, and concurrency support. It's widely used in cloud computing, distributed systems, and networking, making it highly sought after by tech companies.
Python's versatility and readability have made it a favorite in various fields, including web development, data science, machine learning, and artificial intelligence.
Ruby on Rails is a web development framework known for its productivity and ease of use. Despite being slightly less in demand compared to some other languages on this list, experienced Ruby on Rails developers often command high salaries, especially in startups and tech hubs.
Kotlin, a statically typed programming language developed by JetBrains, has gained popularity as a preferred language for Android app development.