AI in Training
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In this week’s newsletter, we’ll discuss the most popular technologies being used in 2025 according to Stack Overflow, including:
Programming languages
Databases
Cloud development
Web frameworks and technologies
Dev IDEs
Community platforms
LLMs
Collaboration tools
Ready to upskill your development team in this year's top technologies? Tami's expert-led training helps your developers quickly master Python, cloud development, React, and more.
Executive Summary
Key findings from Stack Overflow's 2025 Developer Survey:
Survey methodology: 49,000+ professional developers surveyed globally
Geographic distribution: Global sample across 180+ countries
Key trend: Python adoption increased 7% year-over-year (largest single-year jump since 2013)
Emerging technology: AI-powered development tools reached mainstream adoption
Market signal: 81% of developers now use ChatGPT for coding assistance
Most Popular Programming Languages in 2025
The top ten programming languages being used with percentage of respondents and their primary use case:
Rank | Language | 2025 Usage | Primary Use Cases |
|---|---|---|---|
1 | JavaScript | 66.0% | Web development, full-stack |
2 | HTML/CSS | 61.9% | Frontend, web markup |
3 | SQL | 58.6% | Database queries, analytics |
4 | Python | 57.9% | AI, data science, backend |
5 | Bash/Shell | 48.7% | System administration, DevOps |
6 | TypeScript | 43.6% | Enterprise web development |
7 | Java | 29.4% | Enterprise, Android development |
8 | C# | 27.8% | .NET development, gaming |
9 | C++ | 23.5% | System programming, gaming |
10 | PowerShell | 23.2% | Windows administration |
Key Insights: Programming Language Trends
Python's historic growth: The 7 percentage point increase represents Python's largest single-year adoption jump in over a decade. This surge correlates directly with:
AI/ML job postings increasing 156% year-over-year (LinkedIn, 2025)
Python machine learning libraries (TensorFlow, PyTorch) reaching 50M+ monthly downloads
Corporate AI initiatives requiring Python expertise
Why you should learn Python in 2025:
Average Python developer salary: $128,000 USD (15% above industry average)
Job market demand: 47% of AI/ML positions require Python skills
Learning curve: Beginner-friendly syntax with professional-grade capabilities
Career paths: Data scientist, AI engineer, backend developer, automation specialist
JavaScript maintains top spot: Despite Python's growth, JavaScript remains the most-used language due to its foundational role in modern web development alongside HTML and CSS. This enduring relevance is further supported by:
Universal web browser support
Full-stack development capabilities (Node.js)
Extensive ecosystem (2.1M+ npm packages)
Database Technologies: PostgreSQL's Continued Dominance
The most popular databases in 2025 with usage percentage, strengths and best use case:
Rank | Database | Usage % | Primary Strengths | Best For |
|---|---|---|---|---|
1 | PostgreSQL | 55.6% | ACID compliance, JSON support, extensibility | Complex applications, analytics |
2 | MySQL | 40.5% | Performance, ease of use, widespread support | Web applications, content management |
3 | SQLite | 37.5% | Lightweight, serverless, embedded | Mobile apps, small-scale applications |
4 | Microsoft SQL Server | 30.1% | Enterprise features, Windows integration | Corporate applications, .NET stack |
5 | Redis | 28.0% | In-memory performance, caching | Session storage, real-time applications |
6 | MongoDB | 24.0% | Document-oriented, flexible schema | Content management, rapid prototyping |
7 | MariaDB | 22.5% | MySQL compatibility, open source | MySQL migration, web development |
8 | Elasticsearch | 16.7% | Full-text search, analytics | Search engines, log analysis |
9 | Oracle | 10.6% | Enterprise-grade, performance | Large-scale enterprise systems |
10 | DynamoDB | 9.8% | AWS integration, NoSQL scalability | Cloud-native applications |
Database Learning Priorities 2025
PostgreSQL benefits:
Market demand: 73% increase in PostgreSQL job postings (Indeed, 2025)
Salary premium: PostgreSQL developers earn 12% more than MySQL developers
Enterprise adoption: Used by Apple, Instagram, Spotify, Netflix
SQL skills remain universal:
Required by 89% of data-related job postings
Foundation for business intelligence and analytics roles
Average learning time: 4-6 weeks for proficiency
Cloud Platforms & Tools: The Containerization Revolution
Most popular cloud platforms and development tools in 2025:
Rank | Tool/Platform | Usage % | Category |
|---|---|---|---|
1 | Docker | 71.1% | Containerization |
2 | NPM | 56.8% | Package Management |
3 | AWS | 43.3% | Cloud Infrastructure |
4 | Pip | 40.9% | Python Package Management |
5 | Kubernetes | 28.5% | Container Orchestration |
6 | Microsoft Azure | 26.3% | Cloud Infrastructure |
7 | Homebrew | 25.7% | macOS Package Management |
8 | Vite | 25.4% | Frontend Build Tool |
9 | Google Cloud | 24.6% | Cloud Infrastructure |
10 | Make | 23.2% | Build Automation |
Docker: The Universal Developer Tool
Why Docker reached 71% adoption:
Development consistency: "Works on my machine" problem solved
Deployment simplification: Same container runs anywhere
Microservices enablement: Essential for modern architecture
CI/CD integration: Streamlines deployment pipelines
Docker suggested learning path for 2025:
Docker Fundamentals (Week 1-2): Containers, images, basic commands
Docker Compose (Week 3): Multi-container applications
Docker in Production (Week 4): Security, optimization, orchestration
Docker Certification (Week 5+): Professional validation
AWS training remains essential:
Market share: 31% of cloud infrastructure market
Job opportunities: 67% of cloud computing jobs mention AWS
Certification ROI: Average salary increase of $25,000 post-AWS certification
Learning time: 3-6 months for AWS Solutions Architect Associate
Web Development Frameworks: React Ecosystem Dominance
Most popular web frameworks in 2025 with their usage percentage, what it’s used for, and learning difficulty:
Rank | Framework | Usage % | Category | Learning Difficulty |
|---|---|---|---|---|
1 | Node.js | 48.7% | Backend Runtime | Medium |
2 | React | 44.7% | Frontend Framework | Medium |
3 | jQuery | 23.4% | JavaScript Library | Easy |
4 | Next.js | 20.8% | React Framework | Hard |
5 | Express | 19.9% | Node.js Framework | Medium |
6 | ASP.NET Core | 19.7% | Microsoft Framework | Hard |
7 | Angular | 18.2% | Frontend Framework | Hard |
8 | Vue.js | 17.6% | Frontend Framework | Medium |
9 | FastAPI | 14.8% | Python Framework | Medium |
10 | Spring Boot | 14.7% | Java Framework | Hard |
React Training: Still the Top Choice
Why React leads frontend development:
Job market: 78% of frontend job postings mention React
Ecosystem maturity: Extensive third-party library support
Corporate adoption: Used by Facebook, Netflix, Airbnb, Uber
Learning resources: Most comprehensive tutorial ecosystem
React learning roadmap in 2025:
JavaScript Fundamentals (Prerequisites): ES6+, async/await, modules
React Basics (Month 1): Components, JSX, props, state
React Ecosystem (Month 2): React Router, state management, hooks
Advanced React (Month 3): Performance optimization, testing, deployment
React Frameworks (Month 4+): Next.js, Gatsby for production applications
JavaScript full-stack advantage: JavaScript's versatility extends to its basic data types, which include numbers, strings, booleans, null, and undefined. This single language proficiency enables developers to work on both frontend and backend development, offering:
Single language proficiency: Frontend and backend development
Faster development cycles: Shared code and concepts
Career flexibility: Multiple specialization paths
Development Tools: AI-Powered IDEs Enter Mainstream
Most popular developer IDEs in 2025 includes new AI tool Cursor:
Rank | IDE/Editor | Usage % | Category | Notable Features |
|---|---|---|---|---|
1 | Visual Studio Code | 75.9% | Free Editor | Extensions, Git integration |
2 | Visual Studio | 29.0% | Full IDE | Windows/.NET development |
3 | Notepad++ | 27.4% | Text Editor | Windows, lightweight |
4 | IntelliJ IDEA | 27.1% | Java IDE | Intelligent code assistance |
5 | Vim | 24.3% | Terminal Editor | Keyboard-driven, customizable |
6 | Cursor | 17.9% | AI-Powered IDE | GPT integration, code generation |
7 | PyCharm | 15.0% | Python IDE | Django, scientific tools |
8 | Android Studio | 15.0% | Mobile IDE | Android development |
9 | Jupyter Notebook | 14.1% | Data Science | Interactive computing |
10 | Neovim | 14.0% | Terminal Editor | Modern Vim alternative |
The AI Development Revolution
Cursor's rapid rise: Achieving 17.9% adoption in its first full year represents the fastest IDE adoption in software development history.
AI-powered development features:
Code completion: Context-aware suggestions beyond simple autocomplete
Code generation: Natural language to code translation
Bug detection: AI identifies potential issues before runtime
Documentation: Automated comment and documentation generation
VS Code maintains leadership:
Extension ecosystem: 45,000+ extensions available
Cross-platform support: Windows, macOS, Linux compatibility
Microsoft backing: Regular updates, long-term support
Learning curve: Minimal setup required for beginners
Community Platforms: Developer Knowledge Sharing
Where developers are connecting and learning from each other in 2025:
Rank | Platform | Usage % | Primary Purpose | Content Type |
|---|---|---|---|---|
1 | Stack Overflow | 84.2% | Q&A, Problem Solving | Text-based help |
2 | GitHub | 66.9% | Code Sharing, Collaboration | Code repositories |
3 | YouTube | 60.5% | Video Tutorials | Educational videos |
4 | 53.7% | Community Discussion | Forums, AMAs | |
5 | Stack Exchange | 46.5% | Specialized Q&A | Topic-specific help |
6 | Discord | 38.9% | Real-time Chat | Community servers |
7 | 37.2% | Professional Networking | Career content | |
8 | Medium | 29.3% | Technical Writing | Long-form articles |
9 | Hacker News | 19.6% | Tech News, Discussion | News aggregation |
10 | X (Twitter) | 17.1% | Quick Updates | Microblogging |
Learning Platform Insights
YouTube's educational impact:
60.5% usage demonstrates video's importance for technical learning
Popular channels: freeCodeCamp (6M+ subscribers), Traversy Media (2M+)
Community-driven learning:
Stack Overflow: Average response time: 23 minutes for programming questions
GitHub: 100M+ developers share code and contribute to open source
AI & Large Language Models: The ChatGPT Effect
Most commonly used AI platforms being used in 2025:
Rank | AI Model/Tool | Usage % | Primary Use Case | Provider |
|---|---|---|---|---|
1 | OpenAI GPT (ChatGPT) | 81.4% | Code assistance, debugging | OpenAI |
2 | Claude Sonnet | 42.8% | Code review, documentation | Anthropic |
3 | Gemini Flash | 35.3% | Quick code snippets | |
4 | OpenAI Reasoning | 34.6% | Complex problem solving | OpenAI |
5 | OpenAI Image | 26.6% | UI mockups, diagrams | OpenAI |
6 | Gemini Reasoning | 25.6% | Algorithm design | |
7 | DeepSeek Reasoning | 23.3% | Code optimization | DeepSeek |
8 | Meta Llama | 17.8% | Open-source development | Meta |
9 | DeepSeek General | 14.3% | General programming | DeepSeek |
10 | X Grok | 11.1% | Code explanation | xAI |
AI Integration in Development Workflows
ChatGPT's dominance: 81.4% usage represents the fastest enterprise technology adoption ever recorded.
Developer AI use cases:
Code Generation (89% of AI users): Writing boilerplate, functions, classes
Debugging Assistance (76%): Error explanation and solution suggestions
Code Review (64%): Identifying bugs, security issues, improvements
Documentation (58%): Generating comments, README files, API docs
Learning (45%): Explaining new concepts, frameworks, languages
Productivity impact:
Time savings: Average 23% reduction in development time
Code quality: 15% fewer bugs in AI-assisted code (GitHub study, 2025)
Learning acceleration: 40% faster onboarding for new technologies
AI skills for developers in 2025:
Prompt engineering: Crafting effective AI queries
AI code review: Understanding AI-generated code limitations
Human-AI collaboration: Balancing AI assistance with critical thinking
Collaboration Tools: GitHub's Expanding Ecosystem
Most popular development collaboration platforms in 2025:
Rank | Tool | Usage % | Category | Best For |
|---|---|---|---|---|
1 | GitHub | 81.1% | Version Control, Collaboration | Open source, team projects |
2 | Jira | 46.4% | Project Management | Agile development, issue tracking |
3 | GitLab | 35.6% | DevOps Platform | CI/CD, enterprise security |
4 | Markdown File | 34.8% | Documentation | Technical writing, README files |
5 | Confluence | 32.8% | Knowledge Management | Team documentation, wikis |
6 | Azure DevOps | 16.6% | Microsoft Ecosystem | .NET development, enterprise |
7 | Notion | 16.5% | All-in-one Workspace | Team organization, notes |
8 | Obsidian | 16.1% | Knowledge Management | Personal knowledge graphs |
9 | Google Workspace | 15.2% | Office Suite | Document collaboration |
10 | Miro | 14.3% | Visual Collaboration | Brainstorming, diagrams |
Version Control & Collaboration Skills
Git/GitHub proficiency: Now required by 94% of developer job postings
Learning priority: Essential for all developers, regardless of specialization
Advanced features: GitHub Actions (CI/CD), GitHub Copilot (AI assistance), GitHub Projects
Frequently Asked Questions
Q: What is the most popular programming language in 2025?
A: JavaScript remains the most popular programming language in 2025, used by 66% of developers according to Stack Overflow's survey of 49,000+ developers. However, Python showed the largest year-over-year growth at 7 percentage points.
Q: Why is Python growing so fast in 2025?
A: Python's 7% adoption increase is driven by the AI and machine learning boom. With over 81% of developers using AI tools like ChatGPT, and AI job postings increasing 156% year-over-year, Python's simplicity and extensive ML libraries (TensorFlow, PyTorch) make it essential for AI development.
Q: Should I learn Python or JavaScript first?
A: For beginners, the choice depends on career goals:
Choose JavaScript if: You want to build websites, web applications, or need immediate job opportunities.
Choose Python if: You're interested in AI, data science, or backend development.
Q: Is Docker really necessary for developers in 2025?
A: Yes. With 71.1% adoption rate among developers, Docker has become essential infrastructure knowledge. It solves the "works on my machine" problem, enables microservices architecture, and is required for modern CI/CD pipelines.
Q: What database should I learn?
A: PostgreSQL (55.6% usage) offers the best learning ROI because:
Market demand: 73% increase in job postings
Enterprise adoption: Used by major companies (Apple, Instagram, Netflix)
Skills transfer: PostgreSQL knowledge applies to other SQL databases
Q: Are AI tools replacing developers?
A: No, AI tools are augmenting developers, not replacing them. 81.4% of developers use ChatGPT for assistance, reporting 23% productivity improvements. AI handles routine tasks, allowing developers to focus on architecture, problem-solving, and creative work. Developers who integrate AI tools are becoming more valuable, not obsolete.
Accelerate Your Team's Learning Journey
Ready to upskill your development team in the most in-demand technologies of 2025?
Tami's expert-led corporate training programs help your developers master Python, cloud development, React, and other critical skills faster than self-study.
Why Tami for corporate developer training?:
✅ Data-Driven: Training programs based on real industry demand
✅ Expert Instructors: Senior developers with 10+ years industry experience
✅ Measurable Results: Track and measure your team’s results
✅ Flexible Delivery: In-person, virtual, or hybrid training options
✅ Custom Programs: Tailored to your projects and business needs
Popular corporate training programs:
Python for AI Development
React & Modern JavaScript
Cloud Development with AWS
Docker & Kubernetes
Full-Stack Development
Thank you for reading!
P.S. You can read the full 2025 Developer Survey Report from StackOverflow here.
