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: MLOps (Machine Learning Operations), Data Management, Model Training, Data Quality, Model Deployment, Data Preprocessing, Application Lifecycle Management, Technical Management, Applied Machine Learning, Project Management, Machine Learning, Data Cleansing, Model Evaluation, Data Pipelines, Technical Design, Software Development Methodologies, Technology Solutions, Systems Design, Data Collection, Data Science
★ 4.8 (403) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Database Design, Database Development, LLM Application, Software Design Patterns, Databases, OpenAI API, Application Design, AI Integrations, Software Design, Software Architecture, AI Security, System Design and Implementation, Large Language Modeling, Object Oriented Design, Software Development, Query Languages, Secure Coding, Application Programming Interface (API), Performance Tuning
★ 4.7 (194) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Data Cleansing, Python Programming, Data Analysis, NumPy, Pandas (Python Package), Data Manipulation, Data Processing, Programming Principles, Computer Programming, Analytics, Analytical Skills, Scripting
★ 4.6 (180) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Video Editing, Apple software proficiency, Motion Graphics, Knowledge of Apple Software, Post-Production, Video Production, Photo/Video Production and Technology, Animations, Media Production, Data Import/Export, Editing, Content Management, File Management, Color Matching, Timelines, Augmented and Virtual Reality (AR/VR)
★ 4.4 (230) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Employee Surveys, Data Collection, Analysis, Business Research, Data Analysis, User Feedback, Market Research, Business Software
★ 4.5 (430) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Prompt Engineering, Application Deployment, Google Cloud Platform, Kubernetes, Cloud Deployment, Cloud-Native Computing, Cloud Applications, Cloud Infrastructure, Cloud Development, Google App Engine, Containerization, Cloud Platforms, Cloud Services, Identity and Access Management, API Gateway, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Computing, Cloud Storage, Debugging
★ 4.5 (732) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, File Management, Software Installation
★ 4.7 (313) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: GitHub Copilot, Prompt Engineering, Prompt Patterns, AI literacy, GitHub, Computer Programming, Software Installation, System Configuration
★ 4.5 (349) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Stored Procedure, PostgreSQL, SQL, Database Management, Database Design, Relational Databases, Query Languages, Data Transformation, Data Manipulation, Data Import/Export, Data Integrity, Transaction Processing, Performance Tuning, Algorithms
★ 4.7 (340) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design, Systems Development Life Cycle, Software Development Life Cycle, Application Security, Technical Design, Security Engineering, Software Development Methodologies, Conceptual Design, Waterfall Methodology, Requirements Analysis, Agile Methodology
★ 4.6 (253) · Mixed · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Infographics, Canva (Software), Podcasting, Video Production, Instructional Design, Multimedia, Content Creation, Lesson Planning, Pedagogy, Interactive Learning, Adult Learning Principles, Presentations, Visual Storytelling, Graphic Design, Teaching, Driving engagement, Instructional Strategies, Digital pedagogy, Virtual Environment, AI literacy
★ 4.8 (434) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Blogs, Content Performance Analysis, Google Analytics, Web Analytics, Promotional Strategies, Customer Engagement, Social Media Marketing, Social Media Analytics, Social Media, Customer Relationship Building, Content Marketing, Content Creation, Content Management Systems, Marketing
★ 4.6 (296) · Beginner · Guided Project · Less Than 2 Hours