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: Data Presentation, Digital Analysis, E-Commerce, Interactive Data Visualization, Analytics, Key Performance Indicators (KPIs), Google Analytics, Marketing Analytics, Generative AI, Data-Driven Marketing, Data Analysis, Business Strategy, Data Processing, Artificial Intelligence, Data Collection
★ 4.8 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Bioinformatics, Model Training, Dimensionality Reduction, Predictive Modeling, Applied Machine Learning, Artificial Neural Networks, Machine Learning Methods, Predictive Analytics, Pandas (Python Package), Drug Development, Data Preprocessing, Unsupervised Learning, Data Manipulation, Medical Science and Research, Molecular, Cellular, and Microbiology, Scientific Visualization, Molecular Biology, Machine Learning
★ 2.5 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Database Management, Network Protocols, Query Languages, Web Applications, Security Software, Network Routers, Encryption, Security Awareness, Computer Literacy, Computing Platforms, Computer Programming, Endpoint Security, System Software, Authentications, Application Design
★ 4.5 (12) · Beginner · Specialization · 1 - 3 Months

Snowflake
Skills you'll gain: Data Engineering, Database Management, Databases, Data Pipelines, Continuous Deployment, Devops Tools, Change Control, DevOps, CI/CD, Command-Line Interface, Version Control, Event Monitoring, Continuous Monitoring, Data Analysis
★ 4.6 (26) · Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Social Media Analytics, Graph Theory, Machine Learning Methods, R (Software), Machine Learning, Machine Learning Software, Model Training, Machine Learning Algorithms, Model Optimization, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, Tensorflow, Data Ethics, Large Language Modeling, Applied Machine Learning
★ 4.4 (15) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: File Management, Computer Literacy, Microsoft Office, Email Security, Computer Hardware, Computer Security Awareness Training, Spreadsheet Software, digital literacy, Information Management, Safety and Security
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

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
★ 4.5 (24) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, grep, Linux Commands, Red Hat Enterprise Linux, File Systems, Software Installation, File Management, Virtual Environment, Open Source Technology
★ 4.4 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Logic, Theoretical Computer Science, Verification And Validation, Algorithms, Data Structures
★ 4.7 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Large Language Modeling, LLM Application, Cybersecurity, Prompt Engineering, Threat Modeling, Cyber Security Assessment, Application Security, Vulnerability Assessments, Security Testing, Network Security, Exploitation techniques
★ 3.7 (20) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Apache Airflow, Vector Databases, Performance Tuning, Scalability, Database Management Systems, Database Management, Data Pipelines, MySQL, Data Import/Export
★ 4.2 (21) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Engineering Management, Stakeholder Engagement, Negotiation, Stakeholder Communications, Mentorship, Leadership, Leadership and Management, Courage, Growth Mindedness, Leadership Development, Team Leadership, Organizational Leadership, Collaboration, Professional Development, Visionary, Personal Development, Lifelong Learning, Personal Integrity, Resilience
★ 4.8 (21) · Beginner · Course · 1 - 4 Weeks