Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Whizlabs
Skills you'll gain: Amazon Web Services, Serverless Computing, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Cloud Storage, Data Storage Technologies, Cloud Deployment, Data Security, AWS Identity and Access Management (IAM), Application Deployment, File Systems, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, Context Engineering, Multimodal Prompts, LLM Application, Responsible AI, AI Workflows, AI Security, Gemini, Generative AI, Context Management, AI Integrations, AI powered creativity, Model Evaluation, Experimentation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Working Capital, Financial Statements, Cash Flows, Financial Accounting, Income Statement, Financial Analysis, Financial Reporting, Balance Sheet, Equities, Generally Accepted Accounting Principles (GAAP), Accounting, Inventory Accounting, Revenue Recognition, Finance, Analysis, Depreciation, Business Analysis, Business, Investments
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
★ 4.4 (25) · Intermediate · Specialization · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Business Risk Management, Financial Analysis, Commercial Real Estate, Economics, Market Dynamics, Commercial Construction, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Mental Health Diseases and Disorders, Psychiatry, Healthcare Ethics, Mental and Behavioral Health, Mental Health, Ethical Standards And Conduct, Health Information Management, Mental Health Counseling, Psychotherapy, Mental Health Therapies, Behavioral Health, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cultural Diversity, Psychology
★ 4.7 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Security, Network Troubleshooting, Network Architecture, Network Support, Network Administration, IT Security Architecture, Security Engineering, Firewall, Network Monitoring, Virtual Private Networks (VPN), Virtual Networking, Network Routing, Role-Based Access Control (RBAC), General Networking, Network Performance Management, Hybrid Cloud Computing, Data Migration
★ 5 (32) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, Enterprise Architecture, Retrieval-Augmented Generation, Scalability, Context Management, AI Security, Software Architecture, Vector Databases, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Networking Hardware, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Network Support, File Systems, Linux Administration, Unix Commands, Computer Networking, Unix Shell, Command-Line Interface, Data Storage Technologies, Shell Script
★ 4.2 (6) · Beginner · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Meeting Facilitation, Time Management, Productivity, Prioritization, Organizational Skills, Team Performance Management, Planning, Scheduling, Discussion Facilitation, Stress Management, Mental Concentration, Decision Making, Habit Formation
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Data Preprocessing, AI literacy, Business Intelligence, Data Quality, Analytics, Data Analysis, Business Ethics, Business Analytics, Machine Learning Algorithms, Artificial Neural Networks, Machine Learning, Deep Learning, Data Science, Python Programming, Predictive Modeling, Unsupervised Learning
★ 4.7 (6) · Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Presentation, Geospatial Information and Technology, Geospatial Mapping, Data Visualization Software, Data Visualization, Plot (Graphics), Pivot Tables And Charts, Business Reporting, Graphing, Microsoft Access, Business Intelligence Software, Business Intelligence, Data Analysis Software, Data Analysis
Mixed · Course · 1 - 4 Weeks