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.

Coursera
Skills you'll gain: Brainstorming, Root Cause Analysis, Collaborative Software, Ideation, Business Analysis, Problem Management, Design Thinking, Business Process Management
★ 4.5 (31) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Scalability, Cloud Computing, Software Architecture, Cloud Services, Cloud Deployment, Infrastructure As A Service (IaaS), Load Balancing, Serverless Computing, Software Design Patterns, Microservices, Event-Driven Programming
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, Agentic Workflows, AI Orchestration, LLM Application, Large Language Modeling, Generative AI Agents, Process Modeling, Tool Calling, Agentic systems, Application Deployment, Enterprise Application Management, Program Development, Development Environment, Model Evaluation
★ 4.9 (24) · Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Eclipse (Software), Java, Integrated Development Environments, Java Programming, Code Reusability, Functional Design
★ 4.2 (21) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Agile Product Development, User Story, Agile Project Management, Agile Methodology, Product Roadmaps, Project Management Software, Project Management, Product Development, Value Propositions, Product Design, Customer experience improvement, Stakeholder Communications
★ 4.3 (22) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Customer Service, Customer experience improvement, Service Design, Loyalty Programs, Customer Analysis, Process Mapping, Customer Insights, Customer Relationship Management, Process Design, Journey Mapping, Customer Engagement, Customer Support, Cross-Channel Marketing, Business Process, Integrated Marketing Communications, Customer Retention, Marketing
★ 4.5 (42) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Electocardiography, Cardiac Dysrhythmia, Cardiac Surgery, Chronic Diseases, Hemodynamics, Patient Education And Counseling, Cardiology, Medical Surgical Nursing, Care Management, Cardiac Stress Testing, Patient Observation, Nursing, Patient Evaluation, Life Support, Electrophysiology, Care Coordination, Patient Education and Support, Anatomy, Physiology, Clinical Nursing
★ 5 (23) · Intermediate · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtual Machines, Security Controls, Network Security, Network Monitoring, Scalability, Hybrid Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.1 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Income Tax, Tax Planning, Tax Management, Tax Preparation, Tax Compliance, Tax, Tax Returns, Tax Laws, Sales Tax, Compensation Strategy, Property Accounting, Case Studies, Gift Accounting, Business
★ 5 (63) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Typography, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Visual Design, Design, Design Elements And Principles, Creative Design, Visual Storytelling, Computer Graphic Techniques, Color Theory, Creativity
★ 4.3 (28) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data-Driven Decision-Making, Looker (Software), Data Storytelling, Data Presentation, Big Data, Data Literacy, Data Analysis, Interactive Data Visualization, Google Cloud Platform, Analytics, Business Intelligence, Cloud Storage, Data Storage, Data Visualization Software, Dashboard Creation, SQL, Data Sharing, Data Processing, Data Warehousing, Query Languages
★ 4.7 (15) · Beginner · Course · 1 - 3 Months