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: Oracle SQL Developer, Oracle Databases, Database Design, Data Manipulation, SQL, Relational Databases, Database Management, Database Management Systems, Query Languages, Data Transformation, Databases, Data Management, Case Studies, Data Integration, Pivot Tables And Charts, Data Analysis, Performance Tuning, Data-Driven Decision-Making, Data Science, Histogram
★ 4.6 (31) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Electronic Components, Electronic Systems, Electronics, Programming Principles, Electronic Hardware, Hardware Design, Display Devices, Robotics, Data Persistence, Computer Programming Tools, Integrated Development Environments, Computer Programming, Embedded Systems, Development Environment, Automation Engineering, Simulation and Simulation Software, Digital Communications, Data Storage
★ 4.8 (13) · Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, Cyber Security Assessment, Security Controls, Cloud Security, Encryption, Data Security, Information Assurance, Identity and Access Management, Penetration Testing, Cloud Computing, Authorization (Computing), Authentications, User Provisioning, Information Privacy
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pinterest, Canva (Software), Visual Storytelling, Content Creation, Social Media Content, Storytelling, Graphic Design, Digital Publishing, Driving engagement, Marketing
★ 4.7 (16) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Agile Software Development, Program Management, Responsible AI, Planning, Generative AI, AI literacy, Risk Analysis, Prompt Engineering, Analytics
★ 4.5 (15) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Video Editing, Editing, Video Production, Post-Production, Storytelling, Visual Storytelling
★ 4.1 (11) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Data Literacy, Statistical Methods, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Business Intelligence, Applied Machine Learning, Machine Learning Methods, Machine Learning, Data Processing, Data Cleansing, Exploratory Data Analysis, Data Preprocessing
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: IntelliJ IDEA, Apache Maven, Build Tools, Data Import/Export, Kotlin, Software Installation, Unit Testing, Software Development, Java, Software Testing, Database Management
★ 4.8 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis, Advanced Analytics, Interactive Data Visualization, Data Manipulation, Data Presentation, Data Transformation, Data Sharing, Embeddings
★ 4.9 (18) · Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Systems, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Transaction Processing
★ 4.9 (16) · Beginner · Course · 1 - 3 Months