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.

LearnQuest
Skills you'll gain: Blockchain, Threat Modeling, Security Controls, Cybersecurity, Data Security, Network Security, Security Architecture Review, Cryptography, IT Security Architecture, Vulnerability Assessments, Secure Coding, Cryptographic Protocols, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Distributed Computing
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cloud Computing Architecture, Disaster Recovery, AWS Identity and Access Management (IAM), Solution Architecture, Systems Architecture, Amazon Web Services, Network Troubleshooting, Cloud Security, IT Security Architecture, Cloud Solutions, Network Architecture, Cloud-Native Computing, Cloud Infrastructure, Cloud Technologies, Business Continuity Planning, Cloud Standards, Security Controls, Serverless Computing, Security Architecture Review, Business Continuity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Mathematical Software, Programming Principles, Statistical Analysis, Software Installation, Descriptive Statistics
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Conversion Funnel Analysis, Marketing Budgets, Target Audience, Campaign Management, Facebook, Google Ads, Online Advertising, Instagram, Performance marketing, Digital Advertising, Paid media, Advertising Campaigns, E-Commerce, Advertising, Budget Management, Social Media Campaigns, Account Management, Apple iOS
Beginner · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: AI Personalization, Generative Engine Optimization (GEO), Machine Learning Methods, Media Strategy, Responsible AI, Machine Learning Algorithms, Machine Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, AI Enablement, Content Performance Analysis, Algorithms, Driving engagement, Generative AI, Marketing, Marketing Communications, Data Storytelling, Target Audience, Strategic Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon CloudWatch, CI/CD, Application Deployment, Cloud Deployment, Serverless Computing, Devops Tools, Application Lifecycle Management, DevOps, Amazon Web Services, AWS CloudFormation, Continuous Integration, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Continuous Delivery, Containerization, Cloud Applications, Cloud Security, IT Automation, System Monitoring
Advanced · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: NoSQL, Big Data, File Systems, Data Infrastructure, Apache Hadoop, Data Architecture, Distributed Computing, Scalability, Database Systems, Cloud Computing, Apache Spark, Public Cloud, Data Processing, Data Storage Technologies, Cloud Services, Data Storage, Data Management
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Classification And Regression Tree (CART), Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Statistical Inference, Logistic Regression, Model Training, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Figma (Design Software), Design Reviews, AI literacy, AI Integrations, AI Workflows, Generative AI, Graphic and Visual Design, Design, Generative AI Agents, Visual Design, Digital Design, Design Thinking, Process Design, Collaborative Software, Design Elements And Principles, Interactive Design, Marketing Design
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Memory Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Workflow Management, No-Code Development, Financial Data, Accounting and Finance Software, Artificial Intelligence, Financial Management, Generative AI, Automation, Financial Forecasting, Financial Regulation, Finance, Financial Reporting, Data Management, Financial Analysis, Accounting, Strategic Decision-Making, Securities (Finance)
Advanced · Course · 1 - 4 Weeks

Interplay Learning
Skills you'll gain: Basic Electrical Systems, Electrical Systems, Electrical Power, HVAC, Electrical Engineering, Energy and Utilities, Electronics, Electronic Components, electromagnetics, Physics, Systems Of Measurement, Engineering Calculations
Beginner · Course · 1 - 3 Months