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: Cryptography, Encryption, Cloud Security, Cryptographic Protocols, Cyber Security Assessment, Data Encryption Standard, Cloud Computing, Advanced Encryption Standard (AES), Data Security, Key Management, Data Loss Prevention, Public Key Infrastructure, Cloud Platforms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Newsletters, Canva (Software), Marketing Materials, Email Marketing, Content Creation, Promotional Materials, Event Marketing, Business Writing, Graphic Design, Marketing Design, Target Audience, Marketing Communications
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: JavaScript Frameworks, Restful API, Application Programming Interface (API), Web Development, React.js, Authentications, OAuth, Web Applications, Server Side, Back-End Web Development, Object-Relational Mapping, UI Components, Cloud Hosting, Image Quality, Secure Coding, Application Deployment
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Game Theory, Cyber Security Strategy, Data-Driven Decision-Making, Decision Intelligence, Cybersecurity, Data Science, Algorithms, Machine Learning
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Sampling (Statistics), Probability Distribution, R (Software), R Programming, Probability & Statistics, Statistical Programming, Bayesian Statistics, Data Collection, Data Analysis, Probability, Statistical Software, Statistics, Statistical Analysis, Data Analysis Software, Statistical Methods, Data Science, Descriptive Statistics, Statistical Inference
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, Transact-SQL, SQL, Database Development, Transaction Processing, Stored Procedure, Database Administration, Database Software, Data Manipulation, Database Management, Query Languages, Relational Databases, Database Architecture and Administration, Data Integrity, Data Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Ansible, IT Automation, Devops Tools, Linux Commands, Automation, Debugging, YAML, Scripting, Command-Line Interface, Encryption, Amazon Web Services, Code Reusability, Package and Software Management, Software Installation, Configuration Management, File Management
Intermediate · Course · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Token Optimization, Operational Databases, Query Languages, Metadata Management, Performance Tuning, Embeddings, Large Language Modeling, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Embedded Software, Embedded Systems, System Programming, Cross Platform Development, System Software, Memory Management, Hardware Architecture, Peripheral Devices, Product Family Engineering, Code Reusability, Performance Tuning, Software Design, C (Programming Language), Scalability
Advanced · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Google Analytics, Lead Generation, Digital Marketing, Value Propositions, Digital Brand Strategy, Marketing Strategies, Target Audience, Digital Marketing Campaigns, Marketing Automation, Pay Per Click Advertising, Marketing Effectiveness, Social Media Marketing, Strategic Marketing, Marketing Analytics, Web Analytics, Data-Driven Marketing, Search Engine Optimization, Analytics, Search Engine Marketing, Customer Retention
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Containerization, Docker (Software), Microservices, Authentications, OAuth, Integration Testing, .NET Framework, Event-Driven Programming, Software Architecture, Identity and Access Management, Software Design Patterns, Scalability, Authorization (Computing), Transaction Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Salesforce Development, Salesforce, Ad Hoc Reporting, Data Import/Export, Management Reporting, Business Reporting, Data Cleansing, Data Visualization, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks