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.

LearnKartS
Skills you'll gain: Prompt Engineering, Responsible AI, Prompt Engineering Tools, Computer Vision, Model Optimization, Generative Model Architectures, Machine Learning Methods, AI Workflows, Machine Learning Algorithms, Applied Machine Learning, Artificial Intelligence, Model Training, Cloud Security, Amazon Elastic Compute Cloud, Risking, AI literacy, Embeddings, MLOps (Machine Learning Operations), Deep Learning, Data Wrangling
Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Field-Programmable Gate Array (FPGA), Display Devices, Computer Displays, Electronics, Hardware Design, Semiconductors, Electronic Hardware, Electronic Systems, Electronic Components, Real-Time Operating Systems, Embedded Systems, Computational Logic, Embedded Software, Remote Access Systems, Control Systems, C (Programming Language)
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Storage, Data Storage, Data Storage Technologies, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Cloud Security, Security Controls, File Management, File Systems, Key Management, Encryption
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Kinesiology, Human Factors, Exercise Science, Human Factors Engineering, Control Systems, Sports Medicine, Human Musculoskeletal System, Sensory Systems Analysis, Industrial Design, Engineering, Scientific, and Technical Instruments, Mechanics, Occupational Health, Human Centered Design, Product Design, Injury Prevention, Rehabilitation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Event Monitoring, Exploit development, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Patch Management, Code Review, Incident Management, Development Testing, Authorization (Computing), Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Administration, Operational Databases, Data Maintenance, Database Architecture and Administration, Data Migration, Database Software, Relational Databases, Database Systems, Patch Management, Database Design, Data Integrity, Data Import/Export, Database Management Systems, SQL, Data Storage, Data Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Virtualization, Cloud Computing, Virtualization and Virtual Machines, Virtual Machines, Cloud Services, Cloud Platforms, Display Devices, Computer Hardware, Operating Systems, Computer Displays, Containerization, Wireless Networks
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, Context Engineering, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Processing, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Gemini, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Cybersecurity, AI Security, Data Persistence, Incident Management, Technical Communication, Risk Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Project, Earned Value Management, Work Breakdown Structure, Project Schedules, Resource Allocation, Calendar Management, Project Management Software, Microsoft Excel, Resource Utilization, Project Controls, Excel Macros, Project Performance, Resource Management, Timelines, Ad Hoc Reporting, Business Reporting, Resource Planning, Milestones (Project Management), Scheduling, Cost Management
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: User Interface (UI) Design, Color Theory, User Interface (UI), Typography, User Interface and User Experience (UI/UX) Design, Web Design, Digital Design, Design, Usability, HTML and CSS, Front-End Web Development, Design Elements And Principles, Graphic and Visual Design, Layout Design, Creative Design
Intermediate · Course · 1 - 4 Weeks