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: Rmarkdown, Data Presentation, Data Ethics, Data Storytelling, Data Cleansing, Stakeholder Communications, Analytical Skills, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Visualization Software, Data Validation, Dashboard Creation, Dashboard, Ggplot2, Interviewing Skills, Case Studies, Data Access, Spreadsheet Software, Data Analysis
★ 4.7 (614) · Beginner · Professional Certificate · 3 - 6 Months

University of Cape Town
Skills you'll gain: Data Import/Export, Box Plots, Jupyter, Statistical Analysis, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Programming, Programming Principles, Exploratory Data Analysis, Descriptive Statistics, Data Manipulation, Mathematical Software, Epidemiology, Numerical Analysis, Other Programming Languages, Computer Programming, Statistical Hypothesis Testing, Scripting, Computational Logic
★ 4.4 (439) · Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Derivatives, Futures Exchange, Financial Trading, Financial Market, Risk Management, Market Analysis, Capital Markets, Risk Analysis, Investments, Equities, Market Dynamics, Profit and Loss (P&L) Management, Decision Making
★ 4.5 (278) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Threat Modeling, Systems Architecture, Hardening, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Security Engineering, General Networking, Wireless Networks, Operating Systems, Performance Tuning, System Requirements, Network Protocols, OS Process Management
★ 4.4 (362) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Full-Stack Web Development, Application Design, Node.JS, Django (Web Framework), Back-End Web Development, Web Applications, Web Design and Development, Front-End Web Development, Restful API, Application Development, GitHub, Microservices, Web Development, User Accounts, Kubernetes, Frontend Integration, Javascript
★ 4.6 (208) · Advanced · Course · 1 - 3 Months

ISAE-SUPAERO
Skills you'll gain: Mechanics, Human Factors, Simulations, Simulation and Simulation Software, Engineering Calculations, Physics, Applied Mathematics, Engineering Analysis
★ 4.7 (502) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Spreadsheet Software, Google Workspace, Google Docs, Data Validation, Data Visualization, Data Sharing, Data Integration, Automation
★ 4.7 (454) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Swift Programming, Object Oriented Design, Object Oriented Programming (OOP), Data Structures, iOS Development, Apple iOS, Programming Principles, Mobile Development, Software Design Patterns, Data Management, Software Architecture, Code Reusability, Computational Logic, Development Environment
★ 4.3 (734) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, SAP Applications, SAP S/4HANA, Company, Product, and Service Knowledge, Enterprise Resource Planning, Recruitment, Interviewing Skills, Goal Setting, Training Programs
★ 4.7 (277) · Beginner · Course · 1 - 4 Weeks

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Model Optimization, Applied Mathematics, Mathematical Modeling, Problem Solving, Process Modeling, Mathematical Software, Combinatorics, Graph Theory, Computational Logic, Computational Thinking, Data Structures
★ 4.8 (460) · Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Critical Thinking, Collaboration, Collaborative Software, Learning Strategies, Personal Development, digital literacy, Communication, Self-Awareness, Digital Communications
★ 4.6 (162) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Benchmarking, Peer Review, Professional Development, Constructive Feedback, Planning, Performance Measurement, Performance Analysis, Job Analysis, Organizational Skills, Productivity Software, Personal Development, Dashboard, Competitive Analysis, Goal Setting
★ 4.1 (226) · Advanced · Course · 1 - 3 Months