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: Algorithms, Graph Theory, Data Structures, C++ (Programming Language), C and C++, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.1 (22) · Intermediate · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Vulnerability Management, Event Monitoring, Threat Detection, Intrusion Detection and Prevention, Cybersecurity, Cyber Attacks, Security Controls, Security Information and Event Management (SIEM), Vulnerability Assessments, Threat Management, Exploitation techniques, Network Monitoring, Anomaly Detection
★ 4.7 (60) · Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Analytical Skills, Data Governance, Analytics, Competitive Intelligence, Business Analytics, Data Literacy, Data Strategy, Performance Analysis, Business Intelligence, Process Optimization, Organizational Effectiveness, Competitive Analysis, Process Analysis, Organizational Strategy, Data-Driven Decision-Making, Advanced Analytics, Data Management
★ 4.8 (60) · Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Programming Principles, Computer Programming, Data Structures, File Systems, File Management, Data Store, Computer Science
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Oracle Cloud Applications, Cloud Solutions, Supply Chain Management, Cloud Computing, Cloud Infrastructure, Enterprise Resource Planning, Cloud Services, Cloud Computing Architecture, Cloud Platforms, Cloud Applications, Supply Chain, Enterprise Application Management, Customer experience strategy (CX), Human Resources Software, Software As A Service, Security Controls, Cloud Security, Virtual Networking
★ 4.8 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Threat Detection, Threat Management, Cybersecurity, Requirements Analysis, Data Integrity, AI Enablement, Technical Communication, Data Validation
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Graphic Design, Graphic and Visual Design, Design Elements And Principles, Graphic and Visual Design Software, Digital Design, Creative Design, Design and Product, Event Management, Computer Programming
★ 4.6 (45) · Beginner · Guided Project · Less Than 2 Hours

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

Coursera
Skills you'll gain: JSON, NoSQL, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
★ 4.5 (36) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Development, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability
★ 4.6 (40) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Orchestration, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Flow Diagrams (DFDs), Data Storage, Data Preprocessing
★ 4.7 (54) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, Gemini, Model Deployment, Generative AI Agents, GitHub Copilot, Generative Adversarial Networks (GANs), Google Gemini, Responsible AI, Performance Tuning, Software Development Tools, Code Review, Software Engineering, Artificial Intelligence, AI Personalization, Software Development, Software Quality Assurance, Debugging, Automation
★ 4.2 (17) · Intermediate · Specialization · 3 - 6 Months