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 Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Food Quality Assurance And Control, Food Safety and Sanitation, Laboratory Testing, Chemistry, Safety Standards, Hazard Analysis, Nutrition and Diet, Environmental Regulations, Environmental Science, Microbiology, Risk Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Excel Formulas, Google Sheets, Service Level, Spreadsheet Software, Customer Data Management, Customer Support, Data Entry, Data Validation, Process Analysis, Data Analysis, Data Integration, Organizational Skills, Data Management
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Survey Creation, Data Literacy, Data Visualization, Data Analysis, Peer Review, Research Design, Statistics, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Research, Probability, Quantitative Research, Analytics, Probability Distribution, Analysis, Logistic Regression, Report Writing, Correlation Analysis, Statistical Hypothesis Testing
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Estimation, Probability, Model Evaluation, Simulation and Simulation Software, Mathematical Modeling, Performance Tuning, Computational Thinking, Electrical Power
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Data Manipulation, Data Analysis, SAS (Software), Analysis, Analytics, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Business Reporting, Graphing, Statistical Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Marketing Analytics, Online Advertising, Email Automation, Marketing, E-Commerce
Beginner · Professional Certificate · 3 - 6 Months

Duke University
Skills you'll gain: Prompt Engineering, Generative AI, Retrieval-Augmented Generation, ChatGPT, OpenAI, Large Language Modeling, OpenAI API, Hugging Face, Microsoft Copilot, Responsible AI, Python Programming, Machine Learning, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Data Analysis Software, Image Analysis, Scientific Visualization, Spatial Analysis, Science and Research, Physics, Physical Science, General Science and Research, Scientific Methods
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Heat Maps, R Programming, Graphical Tools, Data Wrangling, Tidyverse (R Package), Graphics Software
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Dimensionality Reduction, Data Integration, Data Preprocessing, Exploratory Data Analysis, Data Visualization, Plot (Graphics), Matlab, Data Processing, Data Cleansing, Data Manipulation, Text Mining, Predictive Modeling, Unstructured Data, Image Analysis, Natural Language Processing
Intermediate · Course · 1 - 3 Months