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: Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Malware Protection, Penetration Testing, Cyber Threat Intelligence, Exploitation techniques, Threat Management, Brute-force attacks, Network Security, Information Systems Security, Security Awareness, Human Factors (Security), Authentications, Network Protocols
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Access, Data Analysis, Relational Databases, Databases
★ 3.6 (7) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Structures, Python Programming, Computer Programming, Data Visualization, Computational Thinking, Debugging
★ 3.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Data Flow Diagrams (DFDs), Data Modeling, Data Pipelines, Ansible, Cloud Security, Diagram Design, Data Validation, Database Design, Apache Airflow, Star Schema, Snowflake Schema, Interviewing Skills, Apache Spark, PySpark, CI/CD, Docker (Software), SQL, Workflow Management, Git (Version Control System)
Intermediate · Professional Certificate · 3 - 6 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Traffic Flow Optimization, Construction, Design Specifications, Engineering Software, Engineering Design Process, Structural Analysis, Materials science, Engineering Calculations, Engineering Analysis, Laboratory Testing
★ 3.7 (7) · Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Interactive Data Visualization, Tableau Software, Dashboard, Spatial Data Analysis, Data Visualization Software, Dashboard Creation, Data Integration, Business Intelligence, Geospatial Mapping, Business Intelligence Software, Data Wrangling, Data Manipulation, Data Preprocessing, Data Transformation, Data Sharing, Data Mapping, Data Analysis
★ 4.6 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Tableau Software, Data Visualization Software, Data Analysis, Dashboard, Dashboard Creation
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Code Reusability, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Computational Logic, Software Installation, Other Programming Languages, Computer Programming Tools, Microsoft Windows, Command-Line Interface
★ 4.5 (11) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Electrical Wiring, Wire Harnesses, Engineering Documentation, Schematic Diagrams, Diagram Design, Engineering Drawings, Electrical Systems, Blueprint Reading, Drafting and Engineering Design, Document Management, Software Documentation, Design Software, Computer-Aided Design, Technical Communication, Electrical Equipment, Technical Standard, Analysis
★ 3.3 (7) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: MLOps (Machine Learning Operations), Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Fine-tuning, Containerization, Model Optimization, AI Workflows, Model Evaluation, Model Deployment, Generative AI Agents, LangGraph, Keras (Neural Network Library), Agentic Workflows, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), CrewAI, Image Analysis, Large Language Modeling, Natural Language Processing, Python Programming
★ 4.7 (7) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: CI/CD, Jenkins, Build Tools, Kubernetes, Docker (Software), DevOps, Ansible, Devops Tools, Continuous Deployment, Continuous Integration, IT Automation, Containerization, API Design, Application Deployment, Cloud Deployment, Amazon Web Services, Automation, Software Architecture, Cloud Solutions, Configuration Management
★ 5 (23) · Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: User Accounts, Real Time Data, Authentications, Frontend Integration, Cloud Applications, Application Development, Security Controls, NoSQL, Serverless Computing, Data Management, Data Access, Data Structures, Data Storage, Cloud Security
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks