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.

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Learning Theory, Instructional Design, Learning Management Systems, Technology Solutions, Disabilities, Human Computer Interaction, Technology Strategies, Emerging Technologies, Innovation, Gerontology
Mixed · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: SQL, Databases, Data Manipulation, Data Analysis, Relational Databases, Business Intelligence, Query Languages, Data Warehousing, Data Transformation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Data Warehousing, Extract, Transform, Load, Microsoft SQL Servers, Snowflake Schema, Star Schema, Performance Tuning, Data Pipelines, Cloud Computing Architecture, Business Intelligence, Real Time Data, Apache Hadoop, Data Modeling, Data Quality, Responsible AI, Apache Spark, SQL, Generative AI, Data Governance, Quality Management
Intermediate · Specialization · 1 - 3 Months
Stanford University
Skills you'll gain: Bayesian Network, Applied Machine Learning, Machine Learning Algorithms, Markov Model, Machine Learning, Statistical Modeling, Unstructured Data, Statistical Methods, Probability & Statistics, Algorithms, Test Data
Advanced · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Data Storytelling, Data Presentation, Dashboard, Interactive Data Visualization, Generative AI, Data Ethics, Responsible AI, Infographics, Data Visualization, Anomaly Detection, Excel Formulas, Predictive Modeling, Data Visualization Software, Microsoft Copilot, Business Reporting, Risk Analysis, Text Mining, Predictive Analytics, Automation
Intermediate · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Stored Procedure, Hibernate (Java), PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Database Design, Databases, Java, Data Manipulation, Data Mapping, Java Programming, JUnit, Object Oriented Programming (OOP), Query Languages, Database Management, Database Systems, Transaction Processing
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Apache Spark, Prometheus (Software), Data Pipelines, Distributed Computing, Real Time Data, Data Processing, Security Controls, Configuration Management, Application Performance Management, Performance Tuning, Encryption, Authorization (Computing), Authentications, Data Storage Technologies, Server Administration, Network Monitoring, File Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: LangChain, Tool Calling, LLM Application, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: SQL, Google Cloud Platform, Database Development, Database Management, Data Import/Export, Query Languages, Data Warehousing
Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Web Scraping, Data Manipulation, R Programming, Data Transformation, Data Cleansing, Data Science, Big Data, Statistical Programming, Text Mining, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, C and C++, Distributed Computing, Computer Graphics, Computer Vision, System Programming, Data Processing, Software Development, Performance Tuning, Hardware Architecture, Data Structures, Real Time Data, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Security Information and Event Management (SIEM), Threat Modeling, Generative AI, Threat Detection, Cybersecurity, Incident Response, Intrusion Detection and Prevention, Malware Protection, Prompt Engineering, Anomaly Detection, Vulnerability Management, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks