Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interactive Data Visualization, Software Installation, Package and Software Management, R Programming, Integrated Development Environments, Cloud Development, Cloud Hosting
Beginner · Guided Project · Less Than 2 Hours

Eindhoven University of Technology
Skills you'll gain: Science and Research, Research Design, Research, Quantitative Research, Experimentation, Sample Size Determination, Data Sharing, Statistical Inference, Statistical Methods, Statistical Analysis, Data Synthesis, R Programming
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Power Platform, Power BI, Microsoft Power Automate/Flow, Data Visualization, Interactive Data Visualization, Dashboard, Microsoft 365, No-Code Development, Business Process Automation, Data Analysis, Generative AI Agents, Application Development, Business Process, Data Integration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Google Workspace, Google Sheets, Stakeholder Communications, Test Tools, Scripting, Timelines, Project Schedules, Project Management, Web Applications, Javascript, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Productivity Software, Business Reporting, Data Cleansing, Data Visualization, Data Management, Analytics, Data Validation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Systems Development, Functional Requirement, Software Engineering, User Requirements Documents, Agile Software Development, Application Design, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Debugging, Java, Technical Design
Beginner · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Network Engineering, Wireless Networks, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Mobile Security, Network Protocols, Telecommunications, Network Performance Management, Network Routing, Digital Communications, Dataflow, Encryption
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Object Oriented Design, Report Writing, Security Controls, Programming Principles, Object Oriented Programming (OOP), User Interface (UI), Program Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Coordination, Project Management Software, Project Management, Milestones (Project Management), Relationship Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Management, Social Media Campaigns, Instagram, Content Performance Analysis, Digital Advertising, Facebook, Digital Marketing, Paid media, Content Creation, Content Strategy, Customer Engagement, Target Audience
Beginner · Course · 1 - 4 Weeks