Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Apache Airflow, Virtual Networking, Amazon Web Services, Network Engineering, Network Architecture, Network Routing, Data Pipelines, Network Security, Microservices, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Frontend Performance, Web Content Accessibility Guidelines, HTML and CSS, Hypertext Markup Language (HTML), Web Analytics and SEO, Web Design and Development, Semantic Web, Web Applications, UI Components, Web Content, Responsive Web Design, Code Reusability, Cross Platform Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Conversion Funnel Analysis, Web Analytics, Digital Analysis, Customer Analysis, Product Management, Customer Insights, Analytics, Business Analysis, Root Cause Analysis, User Flows, Performance Analysis, Data Presentation, Performance Metric, Key Performance Indicators (KPIs), Data Collection, Regression Analysis, Event Monitoring, Data Capture, Taxonomy
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Virtual Local Area Network (VLAN), Computing Platforms, Infrastructure Architecture, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Memory Management, Network Switches, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Network Security, Cloud Security, Cyber Attacks, Information Systems Security, Application Security, OSI Models, Cryptography, Data Security, Cryptographic Protocols, Encryption, Network Administration, Endpoint Security, General Networking, Malware Protection, Cloud Computing, Wireless Networks, Network Protocols, Public Key Infrastructure, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Model Evaluation, Model Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, FinTech, Application Development, Integrated Development Environments, Application Deployment, Other Programming Languages, Secure Coding, Programming Principles, Data Structures, Data Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computational Thinking, Programming Principles, Computer Programming, C++ (Programming Language), Theoretical Computer Science, Software Engineering, Geometry, Performance Tuning, Solution Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Software Design, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), UI Components, API Design, Application Frameworks, Restful API, Development Testing, User Interface (UI), Object-Relational Mapping, Debugging, Unit Testing, Web Design and Development
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Simulations, Risk Modeling, Risk Analysis, Simulation and Simulation Software, Risk Management, Financial Forecasting, Return On Investment, Data Analysis, Financial Modeling, Analysis, Microsoft Excel, Data-Driven Decision-Making, Probability Distribution, Business Modeling
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Prompt Engineering, Prompt Patterns, Context Engineering, Token Optimization, Data Ethics, Fine-tuning, Large Language Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Sales Process, Prospecting and Qualification, Sales Pipelines, Technical Sales, Rapport Building, Sales, Customer Relationship Building, Solution Sales Engineering, Sales Strategy, Selling Techniques, Sales Prospecting, Data Centers, Information Technology, Relationship Building, Customer Relationship Management, Telecommunications, Big Data, Communication, Digital Transformation, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks