Unified Modeling Language (UML) courses can help you learn diagramming techniques, system design principles, and software architecture essentials. You can build skills in creating use case diagrams, class diagrams, and sequence diagrams, which are crucial for visualizing system interactions and structures. Many courses introduce tools like Lucidchart and Visual Paradigm, which assist in modeling and documenting software systems, enabling you to apply UML concepts effectively in real projects.

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Operations Research, Network Model, Excel Macros, Decision Making, Strategic Decision-Making, Microsoft Excel, Transportation, Supply Chain, and Logistics, Transportation Operations, Excel Formulas, Model Optimization, Business Modeling, Business Analytics, Financial Modeling, Portfolio Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Audit Working Papers, Blockchain, Web Development Tools, Software Design Patterns, Software Development Tools, Application Development, Computer Programming Tools, Development Environment, Digital Assets, Program Development, Distributed Computing, Software Development, Go (Programming Language), Cryptography, Transaction Processing, FinTech, Encryption, Business Logic, Business Analysis, Virtual Machines
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Video Game Development, Game Design, Program Development, Web Development Tools, Software Development, Software Development Tools, Computer Programming Tools, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Integrated Development Environments, Maintainability, Programming Principles, Data Structures, Code Reusability, Software Design, Computer Programming, Object Oriented Programming (OOP)
★ 4.2 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Large Language Modeling, Google Gemini, Talent Acquisition, LLM Application, Generative AI, Recruitment, HR Tech, Responsible AI, ChatGPT, Recruitment Strategies, AI Enablement, AI Personalization, Employee Onboarding, Interviewing Skills, Automation
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: File I/O, Memory Management, C and C++, C++ (Programming Language), Code Reusability, Vibe coding, API Design, Software Architecture, Software Design, Functional Design, Maintainability, Data Import/Export, Data Structures, AI literacy, AI Integrations, Data Validation, Performance Tuning, Secure Coding, Build Tools, Package and Software Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management, Database Systems, Data Manipulation
★ 4.6 (42) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Plot (Graphics), Python Programming, Data Store, Data Storage
★ 4.4 (50) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Migration, MySQL, Amazon Web Services, Data Import/Export, Google Cloud Platform, Data Access, Databases, Relational Databases
★ 4.1 (24) · Advanced · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design, Algorithms, Software Architecture, Computer Programming, Python Programming, Model View Controller
★ 4.5 (40) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Functional Design, Data Structures, Memory Management, System Implementation
★ 4.7 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Platform, Business Process Automation, Microsoft Power Automate/Flow, Microsoft 365, Invoicing, No-Code Development, Billing & Invoicing, AI Enablement, Document Management, Data Sharing, Data Store
★ 4.5 (36) · Beginner · Guided Project · Less Than 2 Hours