Signal processing courses can help you learn about Fourier transforms, filtering techniques, and signal modulation. You can build skills in analyzing audio and visual signals, implementing algorithms for noise reduction, and working with time-frequency analysis. Many courses introduce tools like MATLAB and Python libraries, that support simulating signal processing techniques and analyzing real-world data.

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
★ 4.4 (21) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Law, Regulation, and Compliance, Financial Regulations, Cryptographic Protocols, Financial Regulation, Regulatory Requirements, Regulatory Compliance, Encryption, Technology Strategies, Payment Systems, Data Integrity, Digital Assets, Financial Services, Feasibility Studies, Transaction Processing, Innovation, Distributed Computing
★ 4.7 (404) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, File Management, Software Installation
★ 4.7 (313) · Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Investments, Supply And Demand, Real Estate, Risk Management, Market Dynamics, Market Trend, Portfolio Risk, Growth Strategies, Market Data, Business Economics, Economics, Business Metrics, Business Valuation, Compensation Analysis, Technical Analysis, Labor Relations, Research
★ 4.6 (64) · Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, UI/UX Research, UI/UX Strategy, Human Computer Interaction, Internet Of Things, API Design, User Interface (UI), Embedded Software, Amazon Web Services, Cloud Computing Architecture, Embedded Systems, Application Programming Interface (API), Prototyping, User Interface (UI) Design, Software Development
★ 4.5 (148) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Exploratory Data Analysis, Deep Learning, Text Mining, Plot (Graphics), Artificial Neural Networks, Data Cleansing, Data Import/Export, Data Preprocessing, Natural Language Processing, Model Training, Python Programming, Machine Learning, Automation
★ 4.6 (266) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Data Governance, Data Quality, Data Integration, Data Dictionary, Data Validation, Health Informatics, Data Maintenance, Data Cleansing, Data Modeling, Extract, Transform, Load, Data Synthesis, Analytical Skills, Health Systems, Fraud detection, Data Management, Metadata Management, Health Care, Clinical Data Management, Data Mapping, Healthcare Industry Knowledge
★ 4.5 (321) · Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Occupational Hygiene, Hazard Communication (HazCom), Safety Assurance, Fire And Life Safety, Chemical and Biomedical Engineering, Occupational Health, Health And Safety Standards, Risk Analysis, Risk Modeling, Risk Management, Engineering Practices, Environment Health And Safety, Failure Analysis, Risk Control, Chemistry, Accident Prevention, Risk Mitigation
★ 4.8 (361) · Advanced · Specialization · 3 - 6 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
★ 4.7 (383) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, Data Store, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Unit Testing, Java Programming
★ 3.9 (705) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Python Programming, Algorithms, Computer Programming, Theoretical Computer Science, Linear Algebra, Mathematics and Mathematical Modeling, Computer Science, Algebra, Object Oriented Programming (OOP), IBM Cloud, Scripting, Probability, Artificial Intelligence and Machine Learning (AI/ML), Data Processing, Mathematical Modeling, Data Structures, Data Manipulation, Probability & Statistics, Applied Mathematics, Software Installation
★ 4.4 (104) · Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Machine Learning Algorithms, Taxonomy, Data Mining, Data Preprocessing, Machine Learning, Data Analysis Software, Life Sciences, Anthropology, Statistical Methods
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks