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: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Materials science, Image Analysis, Laboratory Equipment, Laboratory Research, Quantitative Research, Scientific Visualization, Qualitative Research
★ 4.8 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Full-Stack Web Development, Email Automation, Front-End Web Development, HTML and CSS, User Interface (UI), Web Design, Code Reusability, Server Side, Java Programming, Email Marketing, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Case Studies
★ 4.3 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Digital Transformation, Network Troubleshooting, Technical Support, Technical Support and Services, Networking Hardware, Servers, Network Security, Server Administration, Data Security, Hardware Architecture, System Configuration, IT Infrastructure, Data Storage Technologies, Data Storage, Computer Networking
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pinterest, Canva (Software), Visual Storytelling, Content Creation, Social Media Content, Storytelling, Graphic Design, Digital Publishing, Driving engagement, Marketing
★ 4.7 (16) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Agile Software Development, Program Management, Responsible AI, Planning, Generative AI, AI literacy, Risk Analysis, Prompt Engineering, Analytics
★ 4.5 (15) · Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Molecular, Cellular, and Microbiology, Molecular Biology, Microbiology, Life Sciences, Infectious Diseases, Biotechnology, Cell Cultures, Cell Biology, Laboratory Testing, Epidemiology, Laboratory Research, Biology, Diagnostic Tests
★ 4.8 (16) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Storytelling, Financial Modeling, Data Presentation, Dashboard Creation, Financial Auditing, Financial Forecasting, Microsoft Excel, Strategic Decision-Making, Performance Reporting, Financial Reporting, Data Visualization, Auditing, Version Control, Persuasive Communication, Financial Analysis, Variance Analysis, Business Communication, Stakeholder Communications, Root Cause Analysis
★ 4.5 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Cloud Development, API Gateway, Cloud API, Google Cloud Platform, Application Programming Interface (API), Cloud-Based Integration, Authentications, Serverless Computing, Identity and Access Management, API Design, Event-Driven Programming, Node.JS, Authorization (Computing)
★ 4.3 (36) · Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Data Literacy, Statistical Methods, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Business Intelligence, Applied Machine Learning, Machine Learning Methods, Machine Learning, Data Processing, Data Cleansing, Exploratory Data Analysis, Data Preprocessing
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Vibe coding, GitHub, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, Software Development, Responsible AI, Code Review, Generative AI, Artificial Intelligence, AI Personalization, Design Software, Software Engineering, Web Development, React.js, Front-End Web Development, Javascript
★ 4.5 (13) · Beginner · Course · 1 - 3 Months