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: Spring Framework, Java Programming, Java, File I/O, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Frameworks, Code Reusability, Object Oriented Design, Data Structures, File Management
★ 4.7 (224) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Kubernetes, Application Deployment, Containerization, Authorization (Computing), Authentications, Security Controls, Cloud Hosting, Software Installation, Data Persistence, Infrastructure Architecture, Scalability, Data Storage, System Configuration, Command-Line Interface
★ 4.3 (324) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Data Manipulation, Data Analysis, SAS (Software), Exploratory Data Analysis, Data Transformation, Analytics, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Business Reporting, Statistical Visualization, Business, Statistical Programming
★ 4.8 (365) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Computational Thinking, Algorithms, Theoretical Computer Science, Bioinformatics, Data Structures, Python Programming, Data Analysis, Unsupervised Learning, Analysis, Text Mining
★ 4.7 (220) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Entry, Microsoft Office, Data Analysis Software
★ 4.7 (224) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Multimedia, Visual Design, Graphical Tools, Graphic Design
★ 4.5 (227) · Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Interactive Data Visualization, Statistical Visualization, Data Literacy, Data Analysis, Business Intelligence, Analytical Skills, Advanced Analytics, Data-Driven Decision-Making, Analysis, Trend Analysis, Predictive Analytics, Data Strategy, Data Warehousing, Data Science, Case Studies
★ 4.6 (285) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design, Programming Principles
★ 4.7 (213) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Customer Analysis, Customer Insights, Personalized Campaigns, AI Personalization, Keyword Research, Big Data, Performance marketing, Data Visualization, Risking, Marketing Analytics, Customer experience improvement, AI Product Strategy, Generative AI, Collaborative Software, Email Marketing, Marketing Automation, Social Media Marketing, Campaign Management, Predictive Analytics
★ 4.6 (224) · Intermediate · Specialization · 3 - 6 Months

Akamai Technologies, Inc.
Skills you'll gain: Routing Protocols, OSI Models, Remote Access Systems, Network Architecture, TCP/IP, General Networking, Network Protocols, Network Troubleshooting, Computer Networking, Networking Hardware, Network Administration, Network Security, Network Model, Virtual Private Networks (VPN), Wireless Networks, Network Routers, Network Routing, Dynamic Host Configuration Protocol (DHCP), Intrusion Detection and Prevention, Network Analysis
★ 4.6 (167) · Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Cryptography, Security Requirements Analysis, Human Factors (Security), Encryption, Data Security, Security Management, Personally Identifiable Information, Threat Management, ISO/IEC 27001, Cyber Security Policies, Information Assurance, Cyber Attacks, General Data Protection Regulation (GDPR), Cybersecurity, Cryptographic Protocols, Information Privacy, Security Awareness, Security Strategy, Security Controls, Cyber Risk
★ 4.8 (388) · Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Milestones (Project Management), Business Development, Business Strategies, Financial Forecasting, Financial Modeling, New Business Development, Plan Execution, Customer Analysis, Customer Insights
★ 4.5 (186) · Mixed · Course · 1 - 3 Months