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.

Johns Hopkins University
Skills you'll gain: Cooperation, Interactive Learning, Education Software and Technology, Student Engagement, Pedagogy, Education and Training, Team Oriented, Instructional Strategies, Learning Theory, Student-Centred Learning, Collaboration, Teamwork, Blended Learning, Drive Engagement, Classroom Management, Mathematics Education, Digital pedagogy, Learning Management Systems, Creative Problem-Solving, Professional Development
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Scalability, Performance Tuning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Predictive Modeling, Predictive Analytics, Machine Learning Algorithms, Machine Learning, Algorithms, Responsible AI, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Model Evaluation, Business Ethics, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

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: Shell Script, Unix Shell, File Management, File Systems, Unix Commands, Operating Systems, Command-Line Interface, OS Process Management, System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Tensorflow, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Machine Learning Algorithms, Convolutional Neural Networks, Computer Vision, Deep Learning, Image Analysis, Machine Learning, Model Deployment, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Scripting, Brute-force attacks, Python Programming, Command-Line Interface, Program Development, Network Protocols, TCP/IP, Data Persistence, Debugging
Advanced · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Marketing Analytics, Web Analytics, Google Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, Performance Measurement, Business Metrics, Marketing Budgets, Performance Metric, Performance marketing, Pay Per Click Advertising, Paid media, Marketing Strategies, Search Engine Optimization, Data-Driven Decision-Making, Marketing Automation, AI Personalization, Digital Marketing
Beginner · Specialization · 1 - 3 Months

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: OpenAI API, SQL, ChatGPT, Prompt Engineering, Pandas (Python Package), Natural Language Processing, Data Import/Export, Data Manipulation, Databases, Python Programming, Machine Learning, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Social Determinants Of Health, Community Health, Product Development, Health Systems, Business Modeling, Health Equity, Lean Six Sigma, Market Analysis, Performance Improvement, Process Improvement, Healthcare Industry Knowledge, Stakeholder Analysis, Statistical Process Controls, New Product Development, Innovation, Decision Making, Operations Management, Operations, Problem Solving, Leadership
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Web Content Accessibility Guidelines, Web Design, Usability, HTML and CSS, User Interface (UI), Semantic Web
Intermediate · Course · 1 - 4 Weeks