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: Object Oriented Programming (OOP), Object Oriented Design, Data Persistence, Code Reusability, Programming Principles, Python Programming, File Management, Computer Science
★ 4.4 (152) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, OpenAI API, Education Software and Technology, Generative AI, AI Integrations, OpenAI, Scripting, Scripting Languages, Python Programming, Application Programming Interface (API), Application Development, Machine Learning, Software Engineering
★ 4.4 (80) · Intermediate · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Numerical Analysis, Differential Equations, Mathematical Software, Matlab, Calculus, Linear Algebra, Applied Mathematics, Mathematical Theory & Analysis, Integral Calculus, Experimentation, Algorithms, Derivatives
★ 4.5 (110) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Security Controls, Malware Protection, Information Systems Security, Network Security, Security Testing, Firewall, Digital Forensics, Anomaly Detection, Code Review, Network Routing, Proxy Servers, Linux, Internet Of Things
★ 4.5 (174) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
★ 4.3 (102) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Google Analytics, Ad Hoc Reporting, Performance Reporting, Web Analytics, Marketing, Web Development
★ 4.5 (171) · Intermediate · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Interviewing Skills, Business Communication, Product Support, Marketing, Customer Complaint Resolution, Customer Service, Product Marketing, Product Knowledge, Product Demonstration, New Hire Orientations, Vocabulary, Greeting Customers, Oral Expression, Recruitment, Product Promotion, Language Learning, Consumer Behaviour, Employee Onboarding, Verbal Communication Skills, Language Competency
★ 4.9 (152) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Management, Database Development, Relational Databases, Database Design, Query Languages
★ 4.6 (168) · Beginner · Course · 1 - 4 Weeks

University of Houston
Skills you'll gain: Probability & Statistics, Statistical Methods, Statistics, Microsoft Excel, Predictive Analytics, Game Theory, Spreadsheet Software, Predictive Modeling, Excel Formulas, Pivot Tables And Charts, Regression Analysis, Statistical Analysis, Statistical Modeling, Advanced Analytics, Data-Driven Decision-Making, Data Analysis, Analytics, Data Analysis Software, Simulations, Probability
★ 4.5 (97) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Sales Territory Management, B2B Sales, Regional Sales, Selling Techniques, Sales Management, Consultative Selling, Sales, Sales Strategy, Market Analysis, Sales Process, Market Intelligence, Closing (Sales), Customer Relationship Management (CRM) Software, Competitive Intelligence, Customer Relationship Management, Negotiation
★ 4.5 (130) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Computer Security, Cloud Computing, Cybersecurity, Security Controls, Infrastructure Security, Remote Access Systems, Cyber Attacks, Public Key Infrastructure, Hardening, Cryptography, Vulnerability Management, Private Cloud, Cryptographic Protocols, Vulnerability Assessments, Virtualization, Virtual Machines, Authentications
★ 4.4 (112) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Model Optimization, Machine Learning, Classification Algorithms, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Algorithms
★ 4.6 (99) · Intermediate · Specialization · 1 - 3 Months