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: Apache Kafka, Apache Spark, Data Pipelines, Distributed Computing, Real Time Data, Security Controls, Configuration Management, Data Processing, Performance Tuning, Encryption, Authorization (Computing), Authentications
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Development Tools, Application Programming Interface (API), Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Team Building, Team Leadership, Management Training And Development, Teamwork, Trustworthiness, People Management, Collaboration, Meeting Facilitation, Leadership, Cross-Functional Collaboration, Empathy, Conflict Management, Communication Strategies, Goal Setting, Communication, Adaptability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, React.js, Javascript, Debugging, Integrated Development Environments
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Data Modeling, Microsoft Visual Studio, Program Development, Object Oriented Programming (OOP), .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Innovation, Design Thinking, Intellectual Property, Ideation, Organizational Strategy, New Product Development, Human Centered Design, Business Transformation, Strategic Partnership, Business Strategy, Business Process
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prometheus (Software), Data Processing, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, JSON, Back-End Web Development, SQL, Database Design, Object Oriented Programming (OOP), API Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Network Switches, Virtual Local Area Network (VLAN), Network Infrastructure, Border Gateway Protocol, Network Architecture, Network Administration, Network Routing, Infrastructure Security, Network Security, Virtualization, Network Monitoring, Data Storage Technologies, Automation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Arithmetic, Logical Reasoning, Quantitative Research, Estimation, Applied Mathematics, Advanced Mathematics, Algebra, Complex Problem Solving, General Mathematics
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Performance Tuning, Functional Design, Performance Testing, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Statistical Programming, Equities, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks