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: Plot (Graphics), Swift Programming, Apple iOS, Interactive Data Visualization, Apple Xcode, User Interface (UI), User Interface (UI) Design, Color Theory, Hypertext Markup Language (HTML), Animations, Data Management, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, PySpark, Databricks, Data Pipelines, Data Processing, Big Data, Apache, Real Time Data, Python Programming, Model Evaluation, Machine Learning, SQL, Data Transformation, Performance Tuning, Distributed Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Social Media Management, Analytics, Social Media Marketing, Web Analytics, Social Media Campaigns, Scheduling, Social Media Strategy, Performance Analysis, Content Strategy, Descriptive Analytics, Trend Analysis, Content Creation, Process Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, User Interface (UI), C# (Programming Language), Microsoft Visual Studio, Application Development, User Interface and User Experience (UI/UX) Design, Data Management, Data Validation, Object Oriented Programming (OOP), Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Application, Full-Stack Web Development, Web Applications, Model View Controller, Authentications, Business Logic, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Mobile Development, Apple Xcode, Swift Programming, UI Components, User Interface (UI), Application Development, User Interface (UI) Design, Authentications, Secure Coding, Application Frameworks, Geospatial Information and Technology, Program Development, Real Time Data, Storyboarding, Databases, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: AI Orchestration, AI Workflows, Model Context Protocol, Snowflake Schema, LLM Application, Artificial Intelligence, Tool Calling, Agentic systems, Prompt Engineering, Embeddings, Model Evaluation, SQL, Unstructured Data
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Infectious Diseases, Public Health, Program Management, Model Evaluation, Performance Testing, Data Management, Decision Support Systems
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Stored Procedure, Microsoft SQL Servers, Database Management, Database Development, Relational Databases, Database Architecture and Administration, SQL, Databases, Database Management Systems, Transaction Processing, Visual Basic (Programming Language), Data Management, Verification And Validation, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), SQL, PostgreSQL
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Sales Process, Sales, Salesforce, Sales Operations, Customer Relationship Management, B2B Sales, Data Management, Customer Data Management, Databases, Business-To-Consumer
Beginner · Course · 1 - 4 Weeks