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.

Whizlabs
Skills you'll gain: Microsoft Azure, Virtual Networking, Cloud Services, System Monitoring, Infrastructure As A Service (IaaS), Network Monitoring, Cloud Engineering, Application Performance Management, Cloud Management, Network Troubleshooting, Cloud Infrastructure, Cloud Storage, Virtual Machines, Event Monitoring, Disaster Recovery, Continuous Monitoring, Data Storage, Query Languages
★ 4 (29) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Generative Model Architectures, Generative AI, Fine-tuning, Model Evaluation, Responsible AI, Information Privacy
★ 3.7 (15) · Beginner · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Threat Modeling, Application Security, Cloud Deployment, Cloud Computing Architecture, Cloud Computing, Cloud Services, Security Engineering, Cloud Security, Systems Architecture, Security Controls, Software As A Service, Infrastructure As A Service (IaaS), Computer Security, Data Security, Platform As A Service (PaaS), Data Integrity
★ 5 (13) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, z/OS, Job Control Language (JCL), Mainframe Computing, Scripting Languages, Programming Principles, Computer Programming, File I/O, Code Reusability, Data Structures, Command-Line Interface, Data Import/Export, Automation, Data Management, Application Development
★ 4.4 (25) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Organizational Skills, Project Management Software, Organizational Structure, Collaborative Software, Organizational Effectiveness, Team Management, Project Management, User Accounts
★ 4.6 (19) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: 3D Modeling, 3D Assets, Visualization (Computer Graphics), Design Software, Editing, User Interface (UI), Software Installation
★ 4.9 (22) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Penetration Testing, Cybersecurity, Exploitation techniques, Authentications, Scripting, Python Programming, Data Access, Identity and Access Management
★ 4.6 (27) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Bash (Scripting Language), Git (Version Control System), GitHub, Version Control, Unix Shell, Ubuntu, Shell Script, Scripting, Unix, Scripting Languages, Unix Commands, Linux, System Configuration, grep, Linux Administration, Linux Commands, File Management, Configuration Management, File I/O
★ 2.9 (13) · Beginner · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Oracle Cloud Applications, Cloud Applications, Oracle Cloud, Cloud Development, Application Development, Database Application, Oracle Databases, Application Deployment, Authentications, Enterprise Application Management, Authorization (Computing), UI Components, Development Environment, Data Import/Export
★ 4.2 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Prompt Engineering, API Design, MLOps (Machine Learning Operations), Performance Tuning, Microservices, Application Deployment, Kubernetes, Scalability, Site Reliability Engineering, DevOps, CI/CD, Docker (Software), Containerization, System Monitoring, Cloud Platforms, Python Programming, Security Controls
★ 3.1 (9) · Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Plot (Graphics), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Data Analysis, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Statistical Reporting, Scripting, Package and Software Management, Scripting Languages, Data Transformation
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Meta Ads Manager, Content Creation, Facebook, Target Market, Social Media, Social Media Marketing, Social Media Content, Bidding, Online Advertising, Pay Per Click Advertising, Performance marketing, Social Media Campaigns, Content Scheduling, Pinterest, Advertising Campaigns, Social Media Strategy, Marketing, Brand Strategy, Social Media Management, Digital Advertising
★ 4.6 (9) · Beginner · Specialization · 3 - 6 Months