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.

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Plot (Graphics), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Processing, Data Wrangling, Data Integration, Data Preprocessing, Data Manipulation, Scatter Plots, NumPy, Exploratory Data Analysis, Data Import/Export, Histogram, Python Programming
★ 4.5 (433) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Programming Principles, Software Installation, Code Reusability, Python Programming, Computer Programming, Program Development, Computational Thinking, Computational Logic, Memory Management, System Configuration
★ 4.8 (288) · Mixed · Course · 1 - 3 Months

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, AI Orchestration, Fine-tuning, Agentic Workflows, AI Workflows, Generative Model Architectures, LLM Application, Data Engineering, Data Manipulation, Model Context Protocol, Data Store, Large Language Modeling, Artificial Intelligence, Application Deployment, Tool Calling, Data Warehousing, Embeddings, SQL
★ 4.7 (284) · Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Vulnerability Management, Development Environment, Security Controls, DevOps, Data Security, Software Development Life Cycle
★ 4.7 (255) · Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Business Transformation, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Data Persistence, Innovation, Goal Setting, Knowledge Transfer, Project Planning
★ 4.6 (820) · Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Intrusion Detection and Prevention, Security Controls, Continuous Monitoring, Incident Response, Cyber Attacks, Vulnerability Assessments, Software Development Life Cycle, Cybersecurity, Application Security, Computer Security Incident Management, Security Management, Cyber Security Strategy, Information Systems Security, Secure Coding, Cyber Security Policies, Cyber Security Assessment, Threat Management, Threat Detection, Information Assurance, Network Security
★ 4.7 (666) · Beginner · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Data Preprocessing, Data Integration, Data Cleansing, Performance Tuning
★ 4.8 (322) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Logistic Regression, Analysis
★ 4.2 (382) · Mixed · Course · 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Process, Selling Techniques, Sales Prospecting, HubSpot CRM, Sales, Prospecting and Qualification, General Sales Practices, Sales Strategy, Customer Relationship Management (CRM) Software, Customer Relationship Management, Lead Generation, Negotiation, Business Writing, LinkedIn, Value Propositions, Planning
★ 4.7 (540) · Beginner · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Specimen Preparation, Specimen Processing, Laboratory Techniques, Materials science, Laboratory Equipment, Engineering, Scientific, and Technical Instruments, Biomedical Technology, Microbiology, Analytical Testing, Image Analysis, Structural Analysis, Systems Of Measurement
★ 4.7 (814) · Mixed · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Database Management Systems, Big Data, Database Systems, Apache Hadoop, Data Modeling, PostgreSQL, Network Analysis
★ 4.5 (532) · Intermediate · Course · 1 - 3 Months

Fundação Lemann
Skills you'll gain: Digital pedagogy, Education Software and Technology, Technology Strategies, Continuous Monitoring, Digital Transformation
★ 4.9 (644) · Beginner · Course · 1 - 3 Months