First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Transformation, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Web Applications, User Interface (UI), UI/UX Strategy, User Experience Design, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Network Administration, Cloud Hosting, File Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Software Design
Beginner · Course · 3 - 6 Months

Skills you'll gain: LLM Application, LangChain, Large Language Modeling, OpenAI, Natural Language Processing, Generative AI Agents, ChatGPT, Responsible AI, Application Programming Interface (API), Generative AI, Restful API, Agentic systems, Open Source Technology, MLOps (Machine Learning Operations), Data Processing, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Amazon Web Services, Virtual Private Networks (VPN), Identity and Access Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, General Networking, Network Routing, Firewall, User Accounts, Virtual Machines, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, C# (Programming Language), Git (Version Control System), Microsoft SQL Servers, .NET Framework, Microsoft Visual Studio, Database Development, Application Development, Query Languages, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scatter Plots, Jupyter, Programming Principles, Histogram
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Data Storytelling, Seaborn, Tableau Software, Statistical Visualization, Dashboard, Matplotlib, Visualization (Computer Graphics), Heat Maps, Scatter Plots, Histogram
Intermediate · Course · 1 - 3 Months
Rice University
Skills you'll gain: Financial Market, Investments, Securities (Finance), Financial Systems, Investment Management, Securities Trading, Capital Markets, Equities, Finance, Financial Services, Market Liquidity, Asset Management, Portfolio Management, Derivatives, Fixed Asset, Cash Flows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Warehousing, Cloud Engineering, Google Cloud Platform, Data Infrastructure, Cloud Storage, Data Pipelines, Big Data, Data Processing, SQL, Scalability
Intermediate · Course · 1 - 3 Months