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 Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Collection, Data Wrangling, Data Manipulation, SQL, Databases, Query Languages, Extensible Markup Language (XML), Pandas (Python Package), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, Control Systems, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Test Tools, Interactive Design, Automation Engineering, Program Development, Automation, Simulations, System Monitoring, Electrical Wiring, Computational Logic, Simulation and Simulation Software, User Interface (UI) Design, Network Troubleshooting, User Feedback
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Personalization, Vector Databases, Hugging Face, Embeddings, Artificial Intelligence, Natural Language Processing, Database Systems, MongoDB
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Computer Security Incident Management, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Security Engineering, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Penetration Testing, Mobile Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Web Services, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Microsoft SQL Servers, Microsoft Azure, Database Development, Data Warehousing, SQL, Data Integration, Extract, Transform, Load
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Backlogs, Product Roadmaps, Sprint Planning, Agile Methodology, Product Management, AI Product Strategy, Wireframing, A/B Testing, Agile Product Development, Microsoft Teams, Product Strategy, Product Planning, Jira (Software), Product Requirements, Estimation, Project Management, Agile Project Management, ChatGPT, Kanban Principles, User Story
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Reconciliation, Accounts Payable, Accounts Receivable, Billing, Billing & Invoicing, Invoicing, QuickBooks (Accounting Software), Cash Flow Forecasting, Spreadsheet Software, Accounting Software, Fraud detection, Financial Controls, Auditing, Vendor Management, Internal Controls, Payment Processing, Cash Management, Document Management, Financial Reporting, Cash Flows
Intermediate · Specialization · 3 - 6 Months

Sungkyunkwan University
Skills you'll gain: Machine Learning Algorithms, Decision Tree Learning, Classification Algorithms, Unsupervised Learning, Machine Learning, Supervised Learning, Python Programming, Algorithms, Bayesian Statistics, Probability & Statistics
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Mechanics, Differential Equations, Mathematical Modeling, Engineering Analysis, Geometry, Linear Algebra, Simulation and Simulation Software, Numerical Analysis, Applied Mathematics, Physics, Calculus
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: GitHub, Django (Web Framework), Git (Version Control System), Application Deployment, Unit Testing, Cloud Deployment, Database Development, Bootstrap (Front-End Framework), Model View Controller, Virtual Environment, Application Frameworks, PostgreSQL, HTML and CSS, Python Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks