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.

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Team Building, Teamwork, Team Oriented, Telecommuting, English Language, Business Communication, Collaborative Software, Business Correspondence, Communication, Virtual Teams, Business Writing, Verbal Communication Skills, Language Competency, Workforce Development, Adult Education, Organizational Skills, digital literacy, Digital Transformation, Business Transformation, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), File I/O, Program Development, Software Development, Automation, Data Structures, Code Reusability, Maintainability, File Management, Python Programming, Scalability, Scripting Languages, Data Persistence, JSON, Problem Solving
Mixed · Course · 1 - 4 Weeks
STARWEAVER
Skills you'll gain: Data Warehousing, Data Architecture, SQL, Business Intelligence, Data Pipelines, Data Modeling, Data Management, Data-Driven Decision-Making, Query Languages, Business Analytics, Data Transformation, Performance Tuning, Cloud Computing, Cloud Management, Scripting, Python Programming
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Apache Airflow, Docker (Software), Git (Version Control System), SQL, Data Pipelines, Containerization, CI/CD, Debugging, Ansible, Database Management, Continuous Deployment, Performance Tuning, Infrastructure as Code (IaC), Continuous Integration, Workflow Management, DevOps, Automation, Configuration Management, Root Cause Analysis, Python Programming
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, Agentic systems, LangChain, LLM Application, AI Integrations, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Restful API, Embeddings, Vector Databases, Memory Management
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Statistical Methods, AI literacy, Statistical Analysis, Data Visualization, Generative AI, Statistical Visualization, Statistical Hypothesis Testing, Data Presentation, Data Storytelling, Box Plots, Data Analysis, Probability & Statistics, Plot (Graphics), Data-Driven Decision-Making, Exploratory Data Analysis, Artificial Intelligence, Analytics, Technical Communication, Statistical Inference, Graphing
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Minitab, Six Sigma Methodology, Lean Six Sigma, Root Cause Analysis, Statistical Process Controls, Data Analysis Software, Statistical Software, Process Improvement and Optimization, Project Scoping, Kaizen Methodology, Quality Improvement, Data-Driven Decision-Making, Project Design, Process Improvement, Solution Design, Waste Minimization, Project Documentation, Project Management, Lean Manufacturing, Quality Assessment
Beginner · Course · 3 - 6 Months
Skills you'll gain: Spreadsheet Software
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Figma (Design Software), UI Components, Prototyping, Interactive Design, Interaction Design, User Interface and User Experience (UI/UX) Design, User Experience, Motion Graphics, Responsive Web Design, Animations, User Interface (UI) Design, Typography, Layout Design, Scalability
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Pay Per Click Advertising, Online Advertising, Search Engine Optimization, Digital Marketing Campaigns, Marketing, Digital Marketing, Digital Advertising, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, Advertising, Media Buying, Target Audience, Bidding
Beginner · Course · 1 - 4 Weeks