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: Sampling (Statistics), Matplotlib, Data Analysis, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Probability, Python Programming, Scikit Learn (Machine Learning Library), Data Preprocessing, Linear Algebra, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Howard University
Skills you'll gain: Data Wrangling, Regression Analysis, Dimensionality Reduction, Data Science, Python Programming, Data Preprocessing, Predictive Modeling, Data Analysis, Linear Algebra, Exploratory Data Analysis, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, SQL, Databases
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: SQL, Data Analysis, Seaborn, Exploratory Data Analysis, Analytics, Data Visualization, Data Visualization Software, Matplotlib, Data Storage, Pandas (Python Package), Big Data, Data Science, Data Management, Data Manipulation, Data Cleansing, NumPy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Spring Boot, Real Time Data, Java, Unit Testing, Restful API, JSON, Integration Testing, Data Transformation, Scalability, Debugging
Intermediate · Course · 3 - 6 Months

AI CERTs
Skills you'll gain: Medical Imaging, Healthcare Ethics, Machine Learning, Predictive Modeling, Healthcare Industry Knowledge, Health Informatics, Natural Language Processing, Predictive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Patient Observation, Generative AI Agents, AI Personalization, Diagnostic Tests, Treatment Planning, Generative AI, Computer Science, Medical Support, Business Strategy, Business
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Enterprise Architecture, Virtualization, Network Architecture, Network Planning And Design, Virtual Private Networks (VPN), Computer Networking, Virtual Machines, Network Infrastructure, Wide Area Networks, Software-Defined Networking, Wireless Networks, Local Area Networks, Network Switches, Network Routers, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Social Media Campaigns, Email Marketing, Online Advertising, Content Creation, Marketing Design, Graphic and Visual Design, Product Promotion, Advertising, Marketing Materials, Promotional Materials, Marketing Communications, Sales Development, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: LLM Application, Google Gemini, Test Case, Code Review, Software Documentation, Prompt Engineering, Debugging
Beginner · Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: MLOps (Machine Learning Operations), Large Language Modeling, Jupyter, AI Workflows, Data Store, Version Control, Metadata Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Interactive Learning, Education Software and Technology, Digital pedagogy, Microsoft Office, Instructional Design
Beginner · Guided Project · Less Than 2 Hours