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: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 4 (22) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Virtual Networking, Active Directory, Load Balancing, Cloud Management, Virtual Machines, Kubernetes, Network Monitoring, Authorization (Computing), Identity and Access Management, User Provisioning, Network Troubleshooting, Virtualization and Virtual Machines, Containerization, Network Planning And Design, Cloud Storage, Cloud Computing, Infrastructure As A Service (IaaS)
★ 4.1 (34) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Database Design, Database Management, Data Analysis, Relational Databases, Data Cleansing, Data Transformation, Version Control, Data Manipulation, Query Languages, AI Integrations, Analytics, GitHub, Analysis, Software Versioning, Git (Version Control System), Performance Tuning, Data Integrity
★ 3.9 (23) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Programming Principles, Program Development, Microsoft Visual Studio, Computer Programming, Integrated Development Environments, Computer Programming Tools, Python Programming, Development Environment
★ 4.9 (24) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Model Evaluation, Unsupervised Learning, Regression Analysis, Data Mining, Predictive Modeling, Predictive Analytics, Anomaly Detection, Statistical Methods, Fraud detection, Machine Learning, Machine Learning Algorithms, Correlation Analysis, Scatter Plots, Market Analysis, Classification Algorithms
★ 4.5 (47) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Logo Design, Video Editing, Graphic and Visual Design Software, Graphic Design, Graphic and Visual Design, Graphics Software, Content Creation, Marketing Design, Marketing Materials, User Accounts, Digital Marketing
★ 4.5 (44) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Pipelines, Closing (Sales), Customer Retention, Sales Process, Lead Generation, Customer Relationship Management, Sales Strategy, Customer Relationship Management (CRM) Software, Sales, Sales Management, Sales Operations, Customer Relationship Building, Customer Engagement
★ 4.7 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Kubernetes, Google Cloud Platform, Hybrid Cloud Computing, Application Performance Management, Capacity Management, Istio, Cloud Platforms, Application Security, Scalability, Cloud-Native Computing, API Testing, Security Controls, System Monitoring, Apache Cassandra, Application Deployment, Patch Management, Package and Software Management
★ 4.6 (58) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Control Systems, Automation, Simulation and Simulation Software, TCP/IP, Data Storage, Communication Systems, Applied Mathematics, Memory Management
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Development Environment, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, Programming Principles, Apple Xcode, Software Installation, Performance Tuning, Debugging
★ 4.2 (26) · Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Software, Databases, Database Management, Database Theory, Database Design, Database Management Systems, SQL, Database Application, Query Languages, Performance Tuning, Data Integrity, Data Manipulation, Authorization (Computing), Data Processing
★ 4.5 (33) · Beginner · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Prompt Engineering Tools, Agentic Workflows, AI literacy, Sales Enablement, Generative AI, AI Personalization, Agentic systems, Productivity, Generative AI Agents, No-Code Development, Sales Presentations, Sales Strategy, Sales Management, Sales Process, Automation, Application Development, Artificial Intelligence, Digital Transformation, Innovation, Operational Efficiency
★ 4.6 (28) · Beginner · Specialization · 3 - 6 Months