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: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Code Review, Database Design, SQL, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Java, Development Environment, Debugging, Object Oriented Programming (OOP), Programming Principles
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Web Development Tools, Model View Controller, Event-Driven Programming, UI Components, HTML and CSS, Data Mapping, User Interface (UI), Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Scientific Visualization, Data Visualization Software, Interactive Data Visualization, Seaborn, Jupyter, NumPy, Performance Tuning, Development Environment, Python Programming, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Security, Containerization, Threat Detection, Encryption, Infrastructure Security, Security Engineering, Network Security, Hardening, Scenario Testing, Continuous Monitoring, Virtual Networking, Authorization (Computing), Authentications, YAML
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Cloud Deployment, Amazon CloudWatch, Databases, AWS CloudFormation, Relational Databases, Amazon DynamoDB, Database Architecture and Administration, Amazon Elastic Compute Cloud, Operational Databases, Cloud Management, Amazon Redshift, Amazon S3, AWS Identity and Access Management (IAM), Cloud Security, AWS Kinesis, Data Security, Serverless Computing, Performance Tuning, Scalability
Advanced · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Automation Engineering, Mathematical Modeling, Torque (Physics), Mechanics, Control Systems, Mathematical Software, Mechanical Engineering, Engineering, Simulation and Simulation Software, Engineering Analysis, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Applied Machine Learning, Model Evaluation, Scikit Learn (Machine Learning Library), Machine Learning, Predictive Modeling, Scenario Testing, Machine Learning Algorithms, Responsible AI, Regression Analysis, Classification And Regression Tree (CART), Case Studies, Continuous Monitoring, Performance Metric
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Dashboard, PySpark, Data Pipelines, Business Intelligence, Data Persistence, JSON, Continuous Monitoring, Business Metrics, Data Integrity, Scalability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Registration, Email Marketing, User Feedback, Customer Relationship Management, User Accounts, Account Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Collaborative Software, Education Software and Technology, Teaching, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Personalization, Agentic systems, Competitive Intelligence, Sales Management, Sales Strategy, Sales, AI Enablement, Customer Analysis, Customer Relationship Management, Sales Presentations, Real Time Data, Automation, Proposal Development, Case Studies
Intermediate · Course · 1 - 4 Weeks