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: Feature Engineering, Exploratory Data Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data Manipulation, Applied Machine Learning, NumPy, Statistical Machine Learning, Classification Algorithms, Data Preprocessing, Data Processing, Data Wrangling, Python Programming, Regression Analysis, Predictive Modeling, Machine Learning Algorithms, Machine Learning, Model Evaluation, Data Science, Statistical Hypothesis Testing
★ 3.7 (62) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Graphics Software, Animation and Game Design, Graphic and Visual Design, Social Media Content, Social Media Marketing, Graphic Design, Social Media, Graphic and Visual Design Software, Content Creation, Marketing Design, Instagram, Editing, Photo Editing, Branding, Marketing, Video Editing
★ 4.8 (115) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, C and C++, Linux Administration, Verification And Validation, Code Review, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Unix, User Accounts, Data Validation, File I/O, Cryptography, C (Programming Language), System Programming, Identity and Access Management, Encryption, File Management
★ 4.6 (82) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Sales Strategy, Sales Process, AI Personalization, Proposal Writing, Sales Enablement, Sales Presentations, Responsible AI, Lead Generation, Sales Development, Data Visualization, Competitive Analysis, Prospecting and Qualification, Inside Sales, Microsoft Copilot, Sales Prospecting, Customer Relationship Management (CRM) Software, Generative AI, B2B Sales, Data-Driven Decision-Making
★ 4.4 (63) · Intermediate · Specialization · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Molecular, Cellular, and Microbiology, Public Health and Disease Prevention, Molecular Biology, Epidemiology, Microbiology, Life Sciences, Public Health, Medical Science and Research, Biotechnology, Drug Development, Pathology, Climate Change Programs, Pharmaceuticals, Cell Cultures, Preventative Care, Cell Biology, Laboratory Testing, Community Health
★ 4.9 (95) · Intermediate · Specialization · 3 - 6 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Descriptive Analytics, Data-Driven Decision-Making, Data Analysis, Data Visualization Software, Predictive Analytics, Predictive Modeling, Analytics, Database Management, Data Science, Analytical Skills, Relational Databases, Descriptive Statistics, Data Processing, Forecasting, Data Manipulation, Python Programming
★ 3.8 (73) · Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Unity Engine, 3D Assets, Prototyping, Video Game Development, 3D Modeling, Computer Graphics, Multimedia, Programming Principles, Development Testing
★ 4.8 (68) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Exploitation techniques, Brute-force attacks, Scripting, Authentications, Python Programming, Data Access, Identity and Access Management, Automation
★ 4.5 (81) · Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: R Programming, Statistical Programming, R (Software), Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Mathematical Modeling, Statistical Methods, Statistical Inference, Sampling (Statistics), Simulations, Probability Distribution, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

MongoDB Inc.
Skills you'll gain: Data Transformation, MongoDB, Data Manipulation, Data Processing, Data Integration, NoSQL, Data Migration, Data Analysis, Query Languages, Data Preprocessing, Data Pipelines, Unstructured Data, Network Analysis
★ 4.4 (66) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Store, Data Storage, Data Storage Technologies, Query Languages, Vector Databases, Data Lakes, File Systems, Database Systems, SQL, Databases, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Performance Tuning
★ 4.6 (89) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software), JSON
★ 4.4 (68) · Intermediate · Course · 1 - 4 Weeks