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.

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Unix Shell, Linux Servers, Linux Administration, Unix Commands, Scripting, Network Troubleshooting, Scripting Languages, Command-Line Interface, Development Environment, Systems Administration, Virtual Machines, Virtualization, File Management, File I/O, User Accounts
★ 5 (9) · Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Tableau Software, Business Intelligence, Dashboard, Business Intelligence Software, Dashboard Creation, Technical Analysis, Plot (Graphics), Market Data, Statistical Visualization, Investment Banking, Tree Maps, Interactive Data Visualization, Data Visualization Software, Market Analysis, Data Analysis, SQL
★ 4.8 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Computer Security Incident Management, Incident Response, Technical Support and Services, Cybersecurity, Incident Management, Cyber Attacks, Security Management, Network Support, Networking Hardware, Threat Detection, Technical Support, Network Security, General Networking, Computer Networking, Network Administration, Cyber Risk, Risk Management Framework
★ 4.4 (12) · Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Tableau Software, Data Visualization Software, Data Visualization, Interactive Data Visualization, Business Intelligence Software, Business Intelligence, Data Presentation, Data Integration, Data Access, Data Analysis, Data Import/Export, Data Manipulation, Real Time Data
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Agentic Workflows, Agentic systems, Productivity, No-Code Development, AI Workflows, AI Enablement, Business Process Automation, Automation, Artificial Intelligence, Business Technologies, Digital Transformation, Application Development, Operational Efficiency, Ideation, Process Optimization
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
★ 4.6 (9) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ggplot2, Plot (Graphics), Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Statistical Visualization, R (Software), Data Analysis, Data Management, Pivot Tables And Charts
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Network Administration, Security Awareness, IT Automation, Chef (Configuration Management Tool), Virtual Private Networks (VPN), JSON, Network Engineering, Authentications, Computer Security Awareness Training, Network Infrastructure, Authorization (Computing), Identity and Access Management, Configuration Management, Cyber Security Policies, Remote Access Systems, Application Programming Interface (API)
★ 4.8 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Graphical Tools, Graphic and Visual Design, Video Production, Graphic and Visual Design Software, Photo/Video Production and Technology, Graphic Design, Social Media, Social Media Marketing, Content Creation
★ 4.8 (9) · Beginner · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Customer Service, Customer Relationship Building, Customer Analysis, Customer Retention, Customer experience strategy (CX), Customer Engagement, Customer Relationship Management, Customer Insights, Target Audience, Organizational Structure, Key Performance Indicators (KPIs), Business Metrics, Organizational Change, Value Propositions, Drive Engagement
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks