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.

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Dictionary, Data Manipulation, Data Access, Data Processing, Python Programming
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Object-Relational Mapping, Database Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Data Transformation, Data Presentation, Data Visualization Software, Business Intelligence, Data Analysis, Extract, Transform, Load, Exploratory Data Analysis, Pandas (Python Package), Data Collection, Data Pipelines, Development Environment, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Order Management, ASP.NET, .NET Framework, Authentications, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Accounts, Authorization (Computing), E-Commerce, Bootstrap (Front-End Framework), Payment Systems, Payment Processing and Collection, Model View Controller, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Redshift, Amazon Web Services, SQL, Data Warehousing, Cloud Services, Data Management, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Java, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Data Mapping, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Apache Hadoop, Data Warehousing, SQL, Performance Tuning, Databases, Query Languages, Database Management, Extensible Markup Language (XML), Data Processing, Data Transformation, Data Manipulation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Loans, Web Applications, Cloud Applications, Application Deployment, Program Development, Application Security, Open Source Technology, Development Environment, Data Storage
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Google Cloud Platform, Looker (Software), Dataflow, Data Migration, Data Infrastructure, Cloud Computing Architecture, Cloud Storage, Data Pipelines, Cloud Computing, NoSQL, Data Processing, Data Storage, Data Visualization, Databases, Scalability, Capacity Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Import/Export, Data Processing, Data Manipulation, SQL, Data Transformation, Google Cloud Platform, Big Data, Data Management, Cloud Storage
Intermediate · Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Warehousing, Data Integration, DevOps, Data Pipelines, CI/CD, Data Architecture, Infrastructure as Code (IaC), Data Quality, Amazon Redshift, Cloud Computing, Database Architecture and Administration, Cloud Computing Architecture, Analytics, Data Transformation, Amazon S3, Scalability
Mixed · Course · 1 - 3 Months