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.

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, LLM Application, Generative AI Agents, AI Workflows, LangChain, Model Context Protocol, Vector Databases, AI Orchestration, Agentic Workflows, Tool Calling, Artificial Intelligence and Machine Learning (AI/ML), LangGraph, Large Language Modeling, Agentic systems, Embeddings, Model Deployment, Artificial Intelligence, Application Performance Management
★ 2.3 (8) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Javascript, Javascript and jQuery, Object Oriented Design, Web Applications, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Prototyping, Context Management
★ 4.3 (7) · Beginner · Specialization · 3 - 6 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Canva (Software), Social Media Campaigns, Social Media, Instagram, AI powered creativity, Social Media Management, Social Media Marketing, Social Media Content, Social Media Strategy, Content Creation, Branding, ChatGPT, Brand Management, Digital Content, Campaign Planning, Design Elements And Principles, Data Import/Export
★ 4.4 (11) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Full-Stack Web Development, Information Architecture, React.js, UI Components, Web Applications, Scalability, JavaScript Frameworks, Web Development Tools, Data Access, Query Languages, Database Application, Back-End Web Development, Data Store, Web Design and Development, Database Development, Databases, Front-End Web Development, Software Design, Web Development, Software Development
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Jenkins, Build Tools, Kubernetes, Docker (Software), DevOps, Ansible, Devops Tools, Continuous Deployment, Continuous Integration, IT Automation, Containerization, API Design, Application Deployment, Cloud Deployment, Amazon Web Services, Automation, Software Architecture, Cloud Solutions, Version Control
★ 5 (25) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Marketing Budgets, Social Media Content, Photo/Video Production and Technology, Collaborative Software, Social Media Marketing, Content Creation, Video Editing, Social Media, Graphical Tools, Content Marketing, Marketing, Graphic and Visual Design Software, Graphic Design, Photo Editing
★ 3.9 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Data Pipelines, IT Automation, Data Integration, Data Security, Automation, Data Storage, Security Controls
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Interactive Design, Usability, Prototyping, User Interface (UI) Design, Figma (Design Software), Interaction Design, UI Components, Usability Testing
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Economics, Policy, and Social Studies, Social Justice, Community Health, Health Systems, Social Impact, R (Software), Data Analysis, Data Literacy, R Programming, Data Visualization, Data-Driven Decision-Making, Diversity Awareness
★ 4.7 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Performance Management, Technical Communication, Technical Support and Services, Technical Support, Network Administration, Debugging, End User Training and Support, Help Desk Support, Problem Management, Network Analysis
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Database Systems, Database Management, Multi-Tenant Cloud Environments, Database Software, Operational Databases, Software Installation, Query Languages, System Configuration, SQL, Virtual Environment, Development Environment, Data Storage Technologies, Infrastructure Security, File Management
★ 4.6 (11) · Intermediate · Course · 1 - 3 Months