Signals and systems courses can help you learn about signal representation, system stability, frequency response, and filtering techniques. You can build skills in analyzing linear time-invariant systems, applying the Fourier and Laplace transforms, and designing digital filters. Many courses introduce tools such as MATLAB and Python, which are commonly used for simulations and real-time signal processing applications, allowing you to implement theoretical concepts in practical scenarios.

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Vector Databases, Generative AI, Large Language Modeling, Prompt Engineering, Embeddings, Model Evaluation, Information Architecture, Text Mining
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Security Strategy, Configuration Management, Security Controls, Information Systems Security, Computer Security Awareness Training, Enterprise Security, Change Control, Safety and Security, Cyber Security Policies, Data Ethics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Testing, Safety Standards, Personal Care, Chemistry, Microbiology, Biology, Materials science, Sustainability Standards, Product Development, Regulatory Compliance
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, AI Workflows, AI Orchestration, Agentic systems, LLM Application, Tool Calling, OpenAI, Prompt Engineering, Application Development, Software Documentation, File Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Visual Basic (Programming Language), Productivity Software, Debugging, Automation, Strategic Decision-Making, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, SQL, Descriptive Statistics, Jupyter, Statistical Analysis, Data Analysis, Probability Distribution, Pandas (Python Package), Data Presentation, Statistics, Data Visualization, Statistical Methods, Relational Databases, Stored Procedure, Data Import/Export, Data Science, Programming Principles, Computer Programming Tools, Web Scraping, Python Programming
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Embeddings, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Zero Trust Network Access, Agentic systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Python Programming
Intermediate · Specialization · 1 - 3 Months

University of Cambridge
Skills you'll gain: Human Learning, Psychology, Magnetic Resonance Imaging, Medical Imaging, Neurology, Research Methodologies, Research, Human Development, Learning Theory, Scientific Methods, Child Development
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Time Management, Oral Comprehension, Active Listening, Language Competency, Public Speaking, Verbal Communication Skills, Learning Strategies, English Language, Vocabulary, Composure, Grammar, Detail Oriented, Adaptability
Beginner · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Mechanics, Torque (Physics), Engineering Analysis, Differential Equations, Engineering, Applied Mathematics, Physics, Trigonometry, Advanced Mathematics, Calculus
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Portfolio Risk, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Capital Markets, Financial Modeling, Risk Modeling, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Equities, Actuarial Science
Intermediate · Specialization · 3 - 6 Months