Data wrangling courses can help you learn data cleaning, transformation techniques, and data integration methods. You can build skills in handling missing values, reshaping datasets, and merging data from multiple sources. Many courses introduce tools such as Python libraries like Pandas and NumPy, as well as SQL for database management, showing how these skills streamline data preparation for analysis and visualization.

Skills you'll gain: Financial Modeling, Model Evaluation, Financial Statements, Financial Statement Analysis, Excel Formulas, Financial Forecasting, Financial Accounting, Financial Reporting, Balance Sheet, Auditing, Microsoft Excel, Performance Stress Testing, Financial Auditing, Income Statement, Finance, Financial Data, Data Validation, Financial Analysis, Spreadsheet Software, Cash Flows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.3 (13) · Advanced · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Network Security, Virtual Private Networks (VPN), IT Security Architecture, Intrusion Detection and Prevention, Hardening, Network Monitoring, Firewall, Network Administration, Remote Access Systems, Network Architecture, Network Planning And Design, Zero Trust Network Access, Security Engineering, Security Controls, Security Management, Threat Detection, Security Information and Event Management (SIEM), Security Awareness, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Model Optimization, Artificial Neural Networks, Applied Machine Learning, Model Training, Deep Learning, Python Programming, Performance Tuning, Machine Learning
★ 4.6 (70) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Email Security, Gmail, Google Workspace, Mobile Security, Cloud Security, Security Controls, Authentications, Identity and Access Management, Multi-Factor Authentication, OAuth, Data Security, Cyber Security Policies, Enterprise Application Management, Endpoint Security
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Digital Transformation, Customer experience strategy (CX), Business Transformation, Data-Driven Decision-Making, Internet Of Things, Cloud Computing, Automation, Cloud Storage, Technology Strategies, Data Ethics, Cloud Infrastructure, Customer Insights, AI Personalization, Business Process Automation, Emerging Technologies, Responsible AI, Business Modeling, Cybersecurity, Operational Efficiency, Law, Regulation, and Compliance
★ 4.8 (24) · Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Event-Driven Programming, Distributed Computing, Java Programming, Dataflow, Java, OS Process Management, Scala Programming, Data Structures, Programming Principles, Servers, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design, Graph Theory
★ 4.6 (1.6K) · Intermediate · Specialization · 3 - 6 Months
American Museum of Natural History
Skills you'll gain: Life Sciences, Biology, Environmental Science, Environment, Physiology, Hydrology, Environmental Issue, Anatomy, Natural Resource Management, Environmental Resource Management, General Science and Research, Environment and Resource Management, Science and Research, Research, Research Methodologies
★ 4.8 (605) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Market Trend, Financial Trading, Investment Management, Securities Trading, Market Dynamics, Trend Analysis, Risk Control, Financial Market, Market Data, Risk Management, Risk Modeling, Market Analysis, Investments, Capital Markets, Financial Regulations, Equities, Order Entry, Financial Systems, Business
★ 4.8 (6) · Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Memory Management, C++ (Programming Language)
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Rust (Programming Language), Code Reusability, Command-Line Interface, Memory Management, API Design, Data Pipelines, Development Environment, Build Tools, Package and Software Management, Software Installation
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Penetration Testing, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (557) · Intermediate · Specialization · 3 - 6 Months