Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: Lean Manufacturing, Lean Methodologies, Process Mapping, Process Improvement and Optimization, Lean Six Sigma, Process Optimization, Process Improvement, Process Analysis, Business Process Improvement, Six Sigma Methodology, Business Process, Operational Efficiency, Quality Improvement, Process Design, Production Process, Continuous Improvement Process, Waste Minimization, Root Cause Analysis, Organizational Skills
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Visual Storytelling, Color Theory, Digital Design, Color Matching, Graphic and Visual Design, Graphic Design, Creative Design, Collaborative Software, Marketing, Advertising
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Power Platform Architecture & Technical Design, No-Code Development, Email Automation, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Google Ads, Search Engine Optimization, Pay Per Click Advertising, Online Advertising, Web Analytics and SEO, Search Engine Marketing, Web Presence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Architecture, Data Storage, Data Wrangling, Data Integration, Data Transformation, SQL, Data Manipulation, Performance Tuning
★ 2.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Lakes, Data Governance, Transaction Processing, Microsoft Azure, Security Controls, Data Architecture, Power BI, Data Warehousing, Dataflow, Data Management, Identity and Access Management, Azure Active Directory, Data Pipelines, Role-Based Access Control (RBAC), Data Integration, Query Languages, Data Integrity, Real Time Data, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: AI Orchestration, Prompt Engineering, Agentic Workflows, Prompt Patterns, AI Enablement, AI Security, AI Workflows, Return On Investment, Generative AI Agents, Responsible AI, Decision Intelligence, ChatGPT, Artificial Intelligence, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Business Technologies, Organizational Skills, Business Analysis, Business
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, General Networking, Wireless Networks, Computer Networking, Network Administration, Network Routing, Network Performance Management, Network Monitoring, Application Security, Network Model, Live Streaming, Software-Defined Networking, Digital Communications, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pinterest, Shared Media, Professional Networking, Visual Storytelling, Organizational Skills, User Accounts, Social Media, Collaboration, Project Portfolio Management, Brainstorming, Ideation, Driving engagement, Research
★ 4.4 (7) · Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Web Applications, Web Design and Development, Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Web Development Tools, Responsive Web Design, Real Time Data, Frontend Performance, User Interface (UI), Secure Coding, Javascript, Data Access, Data Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Dashboard Creation, System Monitoring, Incident Response, Technical Communication, Incident Management, Event Monitoring, Application Performance Management, Cloud Applications, Interactive Data Visualization, Continuous Monitoring, Anomaly Detection, Data Integration, Query Languages, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Maintainability, Network Engineering, Software Development Tools, API Testing, Restful API, Data Import/Export, Git (Version Control System), Virtualization and Virtual Machines, Computer Programming Tools, Devops Tools, Extensible Languages and XML, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks