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.

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Application, Database Systems, Database Management, Databases, Big Data, Machine Learning Algorithms, NoSQL, SQL, Database Management Systems, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Apache Hadoop, Exploratory Data Analysis, Transaction Processing, Apache Kafka
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Security Engineering, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Engineering Drawings, Construction Engineering, Hydraulics, Mechanical Design, Blueprint Reading, Petroleum Industry, Building Codes, Process Flow Diagrams, Civil Engineering, Oil and Gas, Construction Inspection, Failure Analysis, Construction, Engineering Analysis, Engineering Calculations, Engineering Plans And Specifications, Energy and Utilities, Mechanical Engineering, Chemical Engineering, Process Engineering
Intermediate · Specialization · 3 - 6 Months

Campus BBVA
Skills you'll gain: Computer Security Incident Management, Security Management, Cyber Risk, Data Security, Security Information and Event Management (SIEM), Cybersecurity, Cyber Attacks, Cyber Threat Intelligence, Security Strategy, Incident Management, Security Awareness, Threat Detection, Data Processing, Event Monitoring, Network Security, Data Science, Anomaly Detection, Encryption, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Decision Tree Learning, Applied Machine Learning, Data Processing, Predictive Modeling, Statistical Machine Learning, Random Forest Algorithm, Feature Engineering, SAS (Software), Machine Learning, Data Analysis, Artificial Neural Networks, Data Cleansing, Predictive Analytics, No-Code Development, Statistical Programming, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of Zurich
Skills you'll gain: Extensible Markup Language (XML), Natural Language Processing, Multilingualism, Language Interpretation, Translation, and Studies, Unstructured Data, Machine Learning Methods, Data Analysis Software, Web Scraping, Data Quality
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Big Data, SQL, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Warehousing, Data Cleansing, Data Analysis, Data Visualization Software, Google Sheets, Google Cloud Platform, Data Import/Export, Data Integrity
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Stored Procedure, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Relational Databases
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Stakeholder Engagement, Resource Management, Stakeholder Management, Stakeholder Analysis, Project Schedules, Resource Planning, Project Management Institute (PMI) Methodology, Stakeholder Communications, Negotiation, Project Management, Resource Allocation, Leadership and Management, Leadership, Scheduling, Project Coordination, Team Leadership, Emotional Intelligence, Communication, Technical Communication, Decision Making
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Usability, Human Computer Interaction, Authentications, Security Engineering, Usability Testing, Interaction Design, Threat Modeling, Human Factors, Information Privacy, Cybersecurity, Personally Identifiable Information, User Interface (UI) Design, User Acceptance Testing (UAT), Multi-Factor Authentication, User Centered Design, Design
Mixed · Course · 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

Skills you'll gain: Prompt Engineering, Development Environment, Large Language Modeling, Data Store, LLM Application, Text Mining, Generative AI, Databases, Database Development, OpenAI, Database Management, Semantic Web, Data Storage Technologies, Document Management, Artificial Intelligence, Data Storage, Data Processing, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks