What Programming Language to Learn in 2025 and WHY

Tim kicks off by stressing the importance of choosing your next language based on clear career goals. He walks through his top picks for 2025—JavaScript/TypeScript for front-end and full-stack, Python for data science and scripting, C#/.NET for enterprise apps, Go for high-performance back-ends, Java for robust server-side and Android, Kotlin/Swift for modern mobile, PHP for maintaining legacy web, Rust for systems safety, and SQL as the data backbone. Along the way he calls out pet peeves like callback hell and unclear typing, so you know exactly which tool fits your project.

On the side, there’s a sweet deal from Kinsta: snag your first month of Managed WordPress hosting free. Plus, Tim plugs DevLaunch, his no-fluff mentorship program that helps you move beyond tutorials, build real-world apps, and land that dev job with proven strategies and hands-on guidance.

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