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.

Duke University
Skills you'll gain: Debugging, Software Testing, Program Development, Test Planning, Simulations, Test Case, Computer Programming, Programming Principles, Algorithms, C (Programming Language), Build Tools
★ 4.3 (836) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Sample Size Determination, Statistical Inference, Business Analytics, Estimation, Statistics, Probability & Statistics, Sampling (Statistics), Statistical Analysis, Microsoft Excel, Excel Formulas, Probability Distribution, Data Analysis
★ 4.8 (1.3K) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Prompt Patterns, LLM Application, Vibe coding, Generative AI, Code Review, Generative Model Architectures, Program Development, Software Development Methodologies, Machine Learning Methods, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (667) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Star Schema, Power BI, Data Modeling, Data Analysis Expressions (DAX), Model Optimization, Snowflake Schema, Database Design, Performance Tuning, Data Analysis, Business Intelligence, Data Visualization, Time Series Analysis and Forecasting
★ 4.3 (840) · Beginner · Course · 1 - 4 Weeks

École Nationale des Ponts et Chaussées
Skills you'll gain: Socioeconomics, Social Impact, Sustainable Development, Market Dynamics, Energy and Utilities, Social Studies, Environmental Issue, Economic Development, Market Analysis, Sustainable Technologies, Public Policies, Environmental Engineering, Electrical Systems, Sustainable Engineering, Environmental Science, Economics, Market Opportunities, Financial Inclusion, Cost Benefit Analysis, Climate Change Mitigation
★ 4.5 (1.3K) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Music, Media Production, Post-Production, Collaborative Software, Digital Signal Processing, Computer Hardware, Editing
★ 4.8 (1.1K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Validation, Programming Principles, Computer Programming, Data Integrity, Data Structures, Code Reusability, File Management, Memory Management, Software Documentation, Computer Science, Maintainability, Computational Logic, Data Storage
★ 4.6 (1.3K) · Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Digital Communications, Emerging Technologies, Application Development, Digital Signal Processing, Embedded Systems, Open Source Technology
★ 4.9 (1.6K) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Dashboard, Business Intelligence, Business Intelligence Software, Dashboard Creation, Tableau Software, Interactive Data Visualization, Business Reporting, Data Presentation, Data Visualization Software, Data Visualization, Stakeholder Communications, Performance Tuning, Interviewing Skills, Data Analysis, Presentations
★ 4.8 (1.4K) · Advanced · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Machine Learning Methods, Model Evaluation, Machine Learning, Google Cloud Platform, Model Training, Machine Learning Algorithms, Financial Trading, Reinforcement Learning, Recurrent Neural Networks (RNNs), Supervised Learning, Data Pipelines, Machine Learning Software, Time Series Analysis and Forecasting, Applied Machine Learning, Statistical Machine Learning, Model Optimization, Deep Learning, Portfolio Management
★ 3.8 (1.2K) · Intermediate · Specialization · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Software Systems, System Programming, Cybersecurity, Real Time Data, Web Services, Advanced Encryption Standard (AES), Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), Communication Systems, Systems Design
★ 4.3 (1.2K) · Intermediate · Specialization · 3 - 6 Months

Technical University of Denmark (DTU)
Skills you'll gain: Semiconductors, Sustainable Technologies, Materials science, Electrical Engineering, Electrical Power, Electronic Components, Emerging Technologies, Mathematical Modeling, Energy and Utilities, Environmental Issue, Laboratory Testing, Systems Of Measurement, Engineering Calculations
★ 4.8 (2.5K) · Beginner · Course · 1 - 3 Months