Asynchronous programming courses can help you learn event-driven programming, callback functions, promises, and async/await syntax. You can build skills in handling concurrency, managing asynchronous data flows, and optimizing performance in applications. Many courses introduce tools like Node.js for server-side programming and libraries such as Axios for making HTTP requests, demonstrating how these skills enhance user experience and application responsiveness.

Microsoft
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Figma (Design Software), User Interface (UI), Mockups, Adobe XD, Responsive Web Design, User Experience, User Centered Design, Wireframing, Microsoft Copilot, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Prototyping, Mobile Development
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Layout Design, Web Development, Usability, Prototyping, Web Development Tools, Software Engineering
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Management, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Analysis Expressions (DAX), Data Storage, Data Transformation, SQL, Data Manipulation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Software Development, Automation, Data Structures, Programming Principles, Maintainability, Python Programming, Debugging, JSON
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, z/OS, Unix, File Systems, Job Control Language (JCL), Operating Systems, Command-Line Interface, OS Process Management, System Programming, File Management, Mainframe Computing, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Generative AI, LLM Application, Snowflake Schema, Prompt Engineering, Embeddings, Natural Language Processing, Unstructured Data, Data Pipelines, User Interface (UI), Semantic Web, Data Processing, SQL
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Scripting, Maintainability, Performance Tuning, Scripting Languages, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Development Environment, Software Development Methodologies, CI/CD, DevOps, IT Automation, Version Control, Continuous Integration, Network Engineering, Program Development, Docker (Software), Software Development, Software Engineering, Virtual Environment, Git (Version Control System), Waterfall Methodology, Agile Methodology, Software Design
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Ggplot2, Marketing, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Analysis, Innovation, Business Analytics, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Performance Tuning, Microsoft Azure, System Monitoring, Data Engineering, Transact-SQL, Star Schema, Power BI, Data Warehousing, PySpark, Data Cleansing, Data Analysis Expressions (DAX), Apache Spark, Analytics, Data Modeling, Data Analysis, SQL, Azure Active Directory, Advanced Analytics, Microsoft Copilot
Intermediate · Specialization · 1 - 3 Months