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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development, UI Components, Usability, Typography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: R Programming, Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Data Science, Tidyverse (R Package), Statistical Modeling, Data Analysis, Regression Analysis, Data Structures, Statistical Analysis, Descriptive Statistics, Programming Principles, Data Transformation, Probability & Statistics
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Relational Databases, Power BI, Microsoft Azure, NoSQL, Cloud Deployment, Databases, Database Architecture and Administration, Data Integration, Data Visualization Software, SQL, Database Management Systems, Data Storage, Data Modeling, Data Warehousing, Infrastructure As A Service (IaaS), Platform As A Service (PaaS), Cloud Hosting, Cloud Security, Firewall
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, SAS (Software), Feature Engineering, Statistical Analysis, Data Analysis, Digital Signal Processing, Data Transformation, Exploratory Data Analysis, Data Preprocessing, Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: PHP (Scripting Language), Model View Controller, Restful API, Web Development, Object-Relational Mapping, Web Applications, Full-Stack Web Development, Development Environment, Software Testing, Back-End Web Development, Application Frameworks, Database Management, Application Security, Authentications, Authorization (Computing), Package and Software Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Professional Networking, Business Relationship Management, Business Strategy, Leadership, Strategic Leadership, Engineering Management, Competitive Analysis, Mentorship, Innovation, Value Propositions, Team Motivation, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Ads, Bidding, Advertising Campaigns, Pay Per Click Advertising, Search Engine Marketing, Online Advertising, Keyword Research, Performance marketing, Digital Advertising, Advertising, Campaign Management, Web Analytics, Target Audience, Merchant Services
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, Mobile Development Tools, Development Environment, Package and Software Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: A/B Testing, Pandas (Python Package), Matplotlib, Plotly, Data Visualization, Statistical Methods, GitHub, Data Manipulation, Version Control, Statistical Analysis, Data Science, Python Programming, NumPy, Data Analysis, Jupyter, Programming Principles, Data Cleansing, Exploratory Data Analysis, Scripting
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Workflow Management, Dashboard, Project Management Software, Work Order, Process Design, Project Management
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Security Engineering, Network Security, Cryptography, Vulnerability Assessments, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Scalability
Intermediate · Course · 1 - 3 Months