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: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Artificial Intelligence and Machine Learning (AI/ML), Algorithms
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Numerical Analysis, Advanced Mathematics, Mathematical Theory & Analysis, Mathematical Modeling, Mathematical Software, Data Analysis, Probability, Geometry, Applied Mathematics, Mechanics, Graphing, Scientific Visualization, Spatial Data Analysis, Estimation, Probability & Statistics, Exploratory Data Analysis, Physics
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Integral Calculus, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Microsoft Copilot, AI literacy, AI Integrations, Risking, Software Development Tools, AI Workflows, Software Documentation, Artificial Intelligence, Code Review
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LangChain, LLM Application, Tool Calling, ChatGPT, Large Language Modeling, Generative AI Agents, Application Development, Python Programming
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: API Gateway, Serverless Computing, Cloud API, Restful API, Node.JS, Microsoft Azure, Application Programming Interface (API), API Design, API Testing, Software Testing, Network Routing
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Retention, HubSpot CRM, Brand Awareness, Surveys, Survey Creation, Marketing Analytics, Google Analytics, Customer Analysis, Customer Service, Customer Relationship Management (CRM) Software, Customer Insights, Brand Loyalty, Customer Relationship Management, Customer Data Management, A/B Testing, AI Product Strategy, Target Audience, Data Analysis, Digital Marketing, Performance Measurement
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Database Administration, SQL, Database Management Systems, Database Architecture and Administration, Stored Procedure, Database Management, Network Architecture, Software Development Tools, Change Control
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization, Data Ethics, Dashboard Creation, Data Presentation, Performance Measurement, Data Analysis, Tableau Software, Data Integrity, Stakeholder Engagement, Data Storytelling, Analysis, Communication Strategies, Prompt Patterns, Statistical Methods, Analytics, Data Infrastructure, Stakeholder Communications, Visual Design, Spreadsheet Software, Verbal Communication Skills
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Personalized Campaigns, Data-Driven Marketing, Cross-Channel Marketing, Marketing Channel, Content Marketing, Marketing Analytics, Data Ethics, Campaign Management, Data-Driven Decision-Making, Marketing Strategies, Integrated Marketing Communications, Marketing Automation, MarTech, Content Development and Management, Content Strategy, Content Performance Analysis, Adobe Express, AI Personalization, Social Media, Market Research
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Data Visualization, Interactive Data Visualization, Scatter Plots, Statistical Visualization, Histogram, Graphic and Visual Design, R Programming, Graphic Design, Graphical Tools, R (Software), Data Mapping, Graphing, Spatial Data Analysis, Geospatial Mapping
Intermediate · Course · 1 - 3 Months