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.

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Cryptographic Protocols, Security Information and Event Management (SIEM), Network Monitoring, Information Assurance, Network Analysis, Intrusion Detection and Prevention, Security Controls, Event Monitoring, Data Capture, Continuous Monitoring, Data Integrity
★ 4.8 (66) · Mixed · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Model Training, Model Evaluation, Matlab, Data Preprocessing, Model Optimization, Scientific Visualization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Statistical Methods, Machine Learning Software, Mathematical Software, Statistical Machine Learning, Data Wrangling, Applied Mathematics, Data Validation, Data Processing, Mathematical Modeling, Artificial Neural Networks, Engineering Analysis, Engineering Design Process
★ 4.9 (144) · Beginner · Specialization · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Sales Management, Sales Strategy, Customer Engagement, Sales Process, Sales, Sales Training, Selling Techniques, Sales Support, General Sales Practices, Account Management, Communication, Negotiation
★ 4.5 (83) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Copywriting, Content Optimization, Search Engine Optimization, AI powered creativity, Target Audience, Content Creation, AI Enablement, Writing and Editing, Productivity Software, Brand Awareness, Marketing Automation, Generative AI, Driving engagement
★ 4 (58) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Software Installation, Microarchitecture, Computer Architecture, Desktop Support, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Information Technology, Memory Management
★ 4.5 (74) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Interactive Data Visualization, Data Storytelling, Data Presentation, Data Visualization, Business Intelligence, Dashboard Creation, Business Intelligence Software, Data-Driven Decision-Making, Customer Analysis, Data Modeling, Data Analysis, Data Integration, Advanced Analytics, Spatial Data Analysis, Exploratory Data Analysis, Statistical Analysis, Data Transformation, Decision Support Systems, Collaborative Software, Data Validation
★ 4.7 (89) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Regression Analysis, Predictive Modeling, Exploratory Data Analysis, Model Evaluation, Model Training, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning Methods, Statistical Methods, Applied Machine Learning, Machine Learning, Data Preprocessing, Decision Tree Learning, Deep Learning, Data Analysis, Test Data, Artificial Neural Networks, Data Import/Export, Python Programming
★ 4.8 (69) · Beginner · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Network Troubleshooting, Technical Consulting, Amazon S3, Cloud Solutions, Cloud Computing, Cloud Management, Technical Support, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Infrastructure Architecture, Requirements Analysis, Scenario Testing, System Support, Virtual Networking, Customer Support, Cloud Storage, Cloud-Based Integration, Security Controls
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Event Monitoring, Development Environment, Exploit development, Frontend Integration, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Transaction Processing, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC)
★ 4.9 (143) · Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Presentations, Verbal Communication Skills, Communication, Non-Verbal Communication, Business Communication, English Language, Interpersonal Communications, Business Leadership, Communication Strategies, Productivity Software, Crisis Management, Organizational Structure, Leadership, Grammar, Vocabulary
★ 4.7 (73) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Scripting, Test Script Development, Development Testing, Devops Tools, Test Automation, IT Automation, Scripting Languages, Integration Testing, DevOps, Software Development Tools, Python Programming, Web Scraping
★ 3.9 (60) · Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Data Structures, Computer Programming, Algorithms, Program Development, Python Programming, Solution Design, Analysis
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months