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.

Skills you'll gain: Regression Analysis, Data Science, Statistical Machine Learning, Data-Driven Decision-Making, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, R (Software), Data Analysis
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, IT Automation, Network Architecture, Network Administration, General Networking, Automation, System Configuration, Software Documentation, Configuration Management, Python Programming
★ 4.8 (32) · Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, iOS Development, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Business Strategies, Network Analysis, Network Performance Management, Emerging Technologies, Operating Systems, Knowledge of Apple Hardware, System Software, Market Intelligence
★ 4.7 (488) · Beginner · Course · 1 - 3 Months

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Clinical Research, Interactive Data Visualization, Case Report Forms, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Data Visualization, Statistical Reporting, Dashboard, Data Modeling, R Programming, Data Manipulation, Statistical Programming, Data Science, Statistical Analysis, Data Preprocessing
★ 4.5 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Test Tools, Mainframe Computing, Mainframe Technologies, Computer Programming Tools, File I/O
★ 4.4 (127) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side, Application Frameworks, Network Protocols
★ 4.5 (79) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Unix Commands, Command-Line Interface, Unix Shell, Unix, Bash (Scripting Language), File Management, Productivity, Computer Programming
★ 4.5 (381) · Beginner · Guided Project · Less Than 2 Hours

National Academy of Sports Medicine
Skills you'll gain: Nutrition and Diet, Kinesiology, Exercise Science, Nutrition Care Plans, Preventative Care, Public Health and Disease Prevention, Human Musculoskeletal System, Basic Life Support (BLS) Certification, Automated External Defibrillator, Cardiopulmonary Resuscitation (CPR), Athletic Training, Motivational Skills, Anatomy, Physiology
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: PySpark, Snowflake Schema, Databricks, Data Pipelines, Apache Spark, MLOps (Machine Learning Operations), Apache Hadoop, Data Architecture, Big Data, Data Warehousing, Data Quality, Data Integration, Data Processing, DevOps, Model Training, Model Deployment, Distributed Computing, Data Transformation, SQL, Python Programming
★ 3.9 (67) · Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Tool Calling, ChatGPT, Large Language Modeling, Generative AI Agents, Application Development, Python Programming
★ 4.7 (118) · Intermediate · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
★ 4.5 (112) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Quantum computing, Algorithms, Computer Hardware, IBM Cloud, Cryptography, Python Programming, Computer Programming, Software Documentation, Simulations
★ 4.5 (26) · Beginner · Course · 1 - 3 Months