Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Application Deployment, GitHub, Version Control, Continuous Delivery, Git (Version Control System), Test Automation, Automation, Key Management, Software Quality Assurance
★ 3.1 (10) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Database Management, Back-End Web Development, Generative AI, Performance Tuning, Database Development, API Design, Application Programming Interface (API), AI Integrations, Databases, AI literacy, Artificial Intelligence, Risk Management
★ 4.5 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
★ 4.7 (11) · Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Software Design, Python Programming, Java, Algorithms
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Web Scraping, Restful API, Network Protocols, JSON, Extensible Markup Language (XML), Web Services, Data Access, TCP/IP, Application Programming Interface (API), Hypertext Markup Language (HTML), Python Programming, Software Installation
★ 4.2 (12) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Application Security
★ 3.6 (8) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Inspection, Construction, Engineering Plans And Specifications, Building Design, Structural Engineering, Structural Analysis, Architecture and Construction, Industrial Design, Shop Drawing, Construction Engineering, Engineering Drawings, Technical Drawing, Engineering Design Process, Engineering Calculations
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
★ 4.8 (13) · Beginner · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Engineering Analysis, Process Flow Diagrams, Materials science, Laboratory Equipment, Electronics Engineering, Electronics, Quality Assurance, Medical Equipment and Technology, Process Control, Biomedical Engineering, Product Testing, Mechanical Design, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Mechanical Engineering
★ 4.9 (12) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Income Tax, Tax Planning, Tax Management, Tax Preparation, Tax, Tax Compliance, Tax Laws, Compensation Strategy, Property Accounting, Gift Accounting
★ 5 (33) · Mixed · Course · 1 - 3 Months