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: SQL, Data Cleansing, Jupyter, Data Literacy, Data Mining, Data Manipulation, Data Preprocessing, Business Analytics, Data Wrangling, R (Software), Business Analysis, Database Management, Relational Databases, Stored Procedure, R Programming, Data Science, Big Data, Computer Programming Tools, Cloud Computing, Python Programming
★ 4.6 (102K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft Office, Microsoft 365
★ 4.6 (14K) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Prompt Engineering, Kubernetes, Prompt Engineering Tools, Cloud Security, Containerization, Infrastructure As A Service (IaaS), Prompt Patterns, OAuth, Cloud Platforms, Cloud Storage, Cloud Services, Security Controls, Security Awareness, Application Security, Data Security
★ 4.7 (50K) · Intermediate · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, R (Software), Regression Analysis, Leaflet (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Data Wrangling, Data Visualization, Machine Learning, GitHub
★ 4.5 (51K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Data Warehousing, Extract, Transform, Load, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Governance, Data Presentation, Descriptive Statistics, Data Migration, Data Store, MySQL, Data Management, Data Architecture, Databases, Excel Formulas, Business Intelligence
★ 4.7 (19K) · Beginner · Professional Certificate · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Typography, Graphic Design, Graphic and Visual Design Software, Visual Design, Design, Color Theory, Design Elements And Principles, Ideation, Creative Design, Logo Design, Visual Storytelling, Design Software, Conceptual Design, Brand Strategy, Design Reviews, Layout Design, Style Guides, Digital Design, Art History
★ 4.7 (22K) · Beginner · Specialization · 3 - 6 Months
Multiple educators
Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, File I/O, Interactive Data Visualization, Java, Java Programming, Object Oriented Design, Object Oriented Programming (OOP), User Interface (UI), Debugging, Software Testing, Computer Programming, Cryptography, Software Engineering, Bioinformatics, Algorithms, Data Analysis, Software Design, Problem Solving
★ 4.6 (15K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Vibe coding, AI powered creativity, Debugging, Prompt Patterns, Brainstorming, Planning, Visual Storytelling, Generative AI, Data Wrangling, Data Analysis, Content Creation, Presentations, AI literacy, Responsible AI, Business Communication, Artificial Intelligence, Data Visualization, Research, Project Management, Machine Learning
★ 4.8 (11K) · Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), Git (Version Control System), GitHub, Software Versioning, Data Literacy, General Science and Research, Data Analysis, R Programming, Development Environment, Statistical Reporting, Software Installation
★ 4.6 (34K) · Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Bioinformatics, Theoretical Computer Science, Computational Thinking, Program Development, Data Storage, Network Analysis, Computer Programming, Analysis, Programming Principles, Solution Design, Software Testing, C and C++, Python Programming, Java, Debugging, Rust (Programming Language), Javascript
★ 4.6 (17K) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Operating System Administration, Package and Software Management, File Systems, Microsoft Windows, Linux, Operating Systems, OS Process Management, Linux Administration, Remote Access Systems, System Monitoring, Command-Line Interface, User Accounts, Systems Administration, System Support, User Provisioning, Technical Support and Services, File Management, Linux Commands, Software Installation, Identity and Access Management
★ 4.7 (30K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Apache Spark, Large Language Modeling, Retrieval-Augmented Generation, PyTorch (Machine Learning Library), Computer Vision, Unsupervised Learning, Generative Model Architectures, Prompt Patterns, Generative AI, PySpark, Model Optimization, Keras (Neural Network Library), Supervised Learning, LLM Application, Vector Databases, Fine-tuning, Machine Learning, Python Programming, Data Science
★ 4.6 (22K) · Intermediate · Professional Certificate · 3 - 6 Months