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: Responsible AI, Data Ethics, Data Storytelling, Presentations, Technical Communication, Artificial Intelligence, Stakeholder Communications, Ethical Standards And Conduct, Case Studies, Accountability, Risk Mitigation, Governance, Design, Stakeholder Analysis, Risk Management, Project Documentation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Stress Management, Mindfulness, Emotional Intelligence, Personal Development, Resilience, Self-Awareness, Persistence, Mental Health, Goal Setting, Adaptability, Journals, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Store, Extract, Transform, Load, Data Architecture, Data Pipelines, Big Data, Data Warehousing, Data Governance, Apache Hadoop, Relational Databases, Apache Spark, Data Lakes, Databases, SQL, NoSQL, Data Security, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Network Architecture, General Networking, Interoperability, Telecommunications, Emerging Technologies, Automation, Cloud Deployment, Strategic Thinking, Vendor Management, Cost Reduction, Innovation, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, PHP (Scripting Language), jQuery, Hypertext Markup Language (HTML), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Restful API, Javascript, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Development Environment
Intermediate · Specialization · 3 - 6 Months

Atlassian
Skills you'll gain: Git (Version Control System), Version Control, GitHub, Bitbucket, Software Configuration Management, Command-Line Interface, Code Review, Collaborative Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Services, Virtualization, Cloud Computing, Virtual Machines, Cloud Storage, Cloud Infrastructure, Public Cloud, Virtual Networking, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Management Systems, SQL, Database Design, Databases, Database Administration, MySQL, NoSQL, Query Languages
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, Debugging, Object Oriented Programming (OOP), Video Game Development, C# (Programming Language), Game Design, Computer Programming, Data Storage, Development Environment, User Interface (UI), Scripting
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Big Data, Statistical Programming, Text Mining, Data Import/Export, Data Analysis, Data Structures, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months