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.

Amazon Web Services
Skills you'll gain: Command-Line Interface, Network Troubleshooting, Linux Commands, Linux, Linux Servers, Linux Administration, Technical Support, Amazon Web Services, File Management, Remote Access Systems, Network Protocols, Network Security, Operating Systems, Package and Software Management, System Configuration, Scenario Testing, DevOps, Communication
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon DynamoDB, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Serverless Computing, Cloud API, Application Programming Interface (API), Identity and Access Management, Amazon Web Services, Cloud-Based Integration, Authentications, Authorization (Computing), NoSQL, Cloud Storage, Cloud Hosting, Data Storage
★ 4.6 (33) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, Anthropic Claude, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.4 (11) · Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Presentation, Data Modeling, Tableau Software, Interactive Data Visualization, Business Intelligence, Extract, Transform, Load, Dashboard, Business Intelligence Software, Dashboard Creation, Performance Tuning, Technical Analysis, Model Optimization, Database Design, Data Visualization Software, Data Warehousing, Plot (Graphics), Market Data, Data Visualization, Trend Analysis
★ 4.6 (36) · Advanced · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cyber Operations, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security
★ 4 (21) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon Web Services, API Gateway, Amazon DynamoDB, IT Automation, Middleware, Software Development, Python Programming, Service Oriented Architecture, Systems Architecture, Microservices, Cloud API, Serverless Computing, Cloud Applications, Cloud-Based Integration, Application Frameworks, Databases, Scripting, Database Systems, Application Development
★ 4.4 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Automation, No-Code Development, IT Automation, Business Process Automation, Workflow Management, Productivity Software, Digital Transformation, Process Optimization, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Management Software, Sprint Planning, Project Planning, Project Management, Workflow Management, Organizational Skills, Collaborative Software, Team Management
★ 4.7 (44) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Plotly, Model Evaluation, NumPy, Statistical Methods, Probability & Statistics, Plot (Graphics), Dashboard, Statistics, Pandas (Python Package), Data Analysis, Database Development, Statistical Analysis, Regression Analysis, Dashboard Creation, Data Manipulation, Python Programming, Applied Machine Learning, Probability, Data Science, Performance Tuning
★ 4.5 (32) · Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Modeling, Transaction Processing
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (49) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Statistical Analysis, Data Analysis, R (Software), Data Ethics, Advanced Analytics, Statistical Methods, Data Modeling, Regression Analysis, Predictive Modeling, Mathematical Modeling, Machine Learning, Logistic Regression, Probability & Statistics, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
★ 4.2 (26) · Intermediate · Course · 1 - 4 Weeks